{"id":22513,"date":"2026-01-30T15:41:39","date_gmt":"2026-01-30T14:41:39","guid":{"rendered":"https:\/\/www.prover.com\/?page_id=22513"},"modified":"2026-02-26T13:37:43","modified_gmt":"2026-02-26T12:37:43","slug":"prover-diagnostic","status":"publish","type":"page","link":"https:\/\/www.prover.com\/prover-diagnostic\/","title":{"rendered":"Prover Diagnostic"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:0px;--awb-padding-right:0px;--awb-padding-bottom:0px;--awb-padding-left:0px;--awb-padding-right-medium:30px;--awb-padding-left-medium:30px;--awb-margin-top:0px;--awb-margin-bottom:60px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1280px + 80px );margin-left: calc(-80px \/ 2 );margin-right: calc(-80px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-padding-right-small:30px;--awb-padding-left-small:30px;--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:40px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:40px;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:40px;--awb-spacing-left-medium:40px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:40px;--awb-spacing-left-small:40px;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-div\" style=\"--awb-margin-top:0px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><div class=\"fusion-title-heading title-heading-left title-heading-tag\" style=\"margin:0;letter-spacing:1px;text-transform:uppercase;\">Prover Diagnostic<\/div><\/div><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"--awb-margin-top:0px;--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:30px;--awb-margin-left-small:0px;\"><h1 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;\">Hazard-based formal verification that challenges safety mitigations before deployment<\/h1><\/div><div class=\"fusion-text fusion-text-1 fusion-text-no-margin\" style=\"--awb-line-height:1.6;--awb-margin-top:20px;--awb-margin-bottom:40px;\"><p><strong>Prover Diagnostic is a packaged, hazard-based formal verification solution that helps identify and eliminate potential safety risks early \u2013 before they become costly or difficult to change.\u2028<\/strong><\/p>\n<p>Instead of only verifying that requirements are implemented as written, Prover Diagnostic asks a tougher question: <strong>Are your mitigations actually sufficient to prevent hazardous states?<\/strong><\/p>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:15px;margin-bottom:25px;width:100%;\"><div class=\"fusion-separator-border sep-single\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-custom_color_2);border-top-width:1px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">At a glance: Inputs and outputs<\/h3><\/div><ul style=\"--awb-size:17px;--awb-margin-top:20px;--awb-margin-right:0px;--awb-margin-bottom:40px;--awb-margin-left:0px;--awb-line-height:28.9px;--awb-icon-width:28.9px;--awb-icon-height:28.9px;--awb-icon-margin:11.9px;--awb-content-margin:40.8px;--awb-circlecolor:var(--awb-color3);--awb-circle-yes-font-size:14.96px;\" class=\"fusion-checklist fusion-checklist-1 fusion-checklist-default type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><strong>Inputs<\/strong><\/p>\n<ul>\n<li>Hazard Log (system hazards and mitigations)<\/li>\n<li>SRACs (safety-related constraints and operational assumptions)<\/li>\n<li>A formal model of the software logic (generated or imported from an existing design)<\/li>\n<\/ul>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><strong>Outputs<\/strong><\/p>\n<ul>\n<li>Proof results showing hazardous states are unreachable in the formal model, under stated assumptions, or<\/li>\n<li>Clearly reported counterexample scenarios that explain how a hazardous state can be reached<\/li>\n<li>A structured report that can support the Technical Safety Report (TSR) and the Safety Case<\/li>\n<\/ul>\n<\/div><\/li><\/ul><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:25px;--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:25px;--awb-margin-left-small:0px;--awb-font-size:16pt;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Nunito Sans&quot;;font-style:normal;font-weight:700;margin:0;text-transform:none;font-size:1em;\">Request a proposal<span style=\"font-weight: normal;\"> (customer-specific scope and pricing)<\/span><\/p><\/h2><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_2 1_2 fusion-flex-column inv-form\" style=\"--awb-bg-color:var(--awb-color3);--awb-bg-color-hover:var(--awb-color3);--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:40px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:40px;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:40px;--awb-spacing-left-medium:40px;--awb-width-small:100%;--awb-order-small:0;--awb-margin-top-small:20px;--awb-spacing-right-small:40px;--awb-spacing-left-small:40px;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"1205\" height=\"811\" alt=\"prover diagnostic\" title=\"prover-diagnostic\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2026\/01\/prover-diagnostic.webp\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2026\/01\/prover-diagnostic.webp\" class=\"lazyload img-responsive wp-image-22522\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271205%27%20height%3D%27811%27%20viewBox%3D%270%200%201205%20811%27%3E%3Crect%20width%3D%271205%27%20height%3D%27811%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2026\/01\/prover-diagnostic-200x135.webp 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2026\/01\/prover-diagnostic-400x269.webp 400w, https:\/\/www.prover.com\/wp-content\/uploads\/2026\/01\/prover-diagnostic-600x404.webp 600w, https:\/\/www.prover.com\/wp-content\/uploads\/2026\/01\/prover-diagnostic-800x538.webp 800w, https:\/\/www.prover.com\/wp-content\/uploads\/2026\/01\/prover-diagnostic-1200x808.webp 1200w, https:\/\/www.prover.com\/wp-content\/uploads\/2026\/01\/prover-diagnostic.webp 1205w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 840px) 100vw, 800px\" \/><\/span><\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"--awb-flex-grow:0;--awb-flex-grow-medium:0;--awb-flex-grow-small:0;--awb-flex-shrink:0;--awb-flex-shrink-medium:0;--awb-flex-shrink-small:0;width:calc( 100% + 80px ) !important;max-width:calc( 100% + 80px ) !important;margin-left: calc(-80px \/ 2 );margin-right: calc(-80px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-0 fusion_builder_column_inner_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-top:40px;--awb-padding-right:50px;--awb-padding-bottom:40px;--awb-padding-left:50px;--awb-padding-right-small:30px;--awb-padding-left-small:30px;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:40px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:40px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:40px;--awb-spacing-left-medium:40px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:40px;--awb-spacing-left-small:40px;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-four\" style=\"--awb-text-color:var(--awb-color1);--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h4 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;\">I\u2019m interested in Prover Diagnostic<\/h4><\/div><div class=\"fusion-text fusion-text-2\" style=\"--awb-font-size:16px;--awb-text-color:var(--awb-color1);\"><p>Start strengthening your safety assurance; fill out the form to learn more.<\/p>\n<\/div><script charset=\"utf-8\" type=\"text\/javascript\" src=\"\/\/js-eu1.hsforms.net\/forms\/embed\/v2.js\"><\/script>\n<script>\n  hbspt.forms.create({\n    portalId: \"26789739\",\n    formId: \"c190bc36-957e-4d0e-be54-b3d954081270\",\n    region: \"eu1\"\n  });\n<\/script><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background hundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:60px;--awb-padding-bottom:20px;--awb-padding-top-small:0px;--awb-padding-bottom-small:0px;--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-margin-top-small:0px;--awb-margin-bottom-small:0px;--awb-background-color:var(--awb-color1);--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-end fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"width:calc( 100% + 80px ) !important;max-width:calc( 100% + 80px ) !important;margin-left: calc(-80px \/ 2 );margin-right: calc(-80px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column fusion-flex-align-self-flex-end fusion-animated\" 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awb-carousel--carousel awb-swiper-dots-position-bottom\" data-layout=\"carousel\" data-autoplay=\"yes\" data-autoplayspeed=\"2500\" data-autoplaypause=\"no\" data-columns=\"6\" data-columnsmedium=\"1\" data-columnssmall=\"1\" data-itemmargin=\"100\" data-itemwidth=\"180\" data-touchscroll=\"drag\" data-freemode=\"no\" data-imagesize=\"fixed\" data-scrollitems=\"1\" data-centeredslides=\"no\" data-rotationangle=\"50\" data-depth=\"100\" data-speed=\"500\" data-shadow=\"no\" data-pagination=\"bullets\" style=\"--awb-columns:6;--awb-column-spacing:100px;--awb-caption-margin-top:80px;--awb-caption-margin-right:0px;--awb-caption-margin-bottom:40px;--awb-caption-margin-left:0px;\"><div class=\"swiper-wrapper awb-image-carousel-wrapper fusion-flex-align-items-center\"><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" 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src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/atkins-logo-opacity-300x200-1.png\" class=\"attachment-blog-medium size-blog-medium lazyload\" alt=\"ATKINS\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/atkins-logo-opacity-300x200-1.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/atkins-logo-opacity-300x200-1-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/atkins-logo-opacity-300x200-1.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/05\/HitachiRailSTS-logo.png\" class=\"attachment-blog-medium size-blog-medium lazyload\" alt=\"Hitachi Rail STS\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/05\/HitachiRailSTS-logo.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/05\/HitachiRailSTS-logo-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/05\/HitachiRailSTS-logo.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/alstom-logo-opacity-300x200-1.png\" class=\"attachment-blog-medium size-blog-medium lazyload\" alt=\"Alstom\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/alstom-logo-opacity-300x200-1.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/alstom-logo-opacity-300x200-1-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/alstom-logo-opacity-300x200-1.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/mta-logo-opacity-3.png\" class=\"attachment-blog-medium size-blog-medium lazyload\" alt=\"New York City Transfer\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/mta-logo-opacity-3.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/mta-logo-opacity-3-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/mta-logo-opacity-3.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/siemens-logo-opacity-300x200-1.png\" class=\"attachment-blog-medium size-blog-medium lazyload\" alt=\"Siemens\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/siemens-logo-opacity-300x200-1.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/siemens-logo-opacity-300x200-1-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/siemens-logo-opacity-300x200-1.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" 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style=\"margin-top:40px;margin-right:0px;margin-bottom:40px;margin-left:0px;\"><div class=\"awb-carousel awb-swiper awb-swiper-carousel awb-carousel--carousel awb-swiper-dots-position-bottom\" data-layout=\"carousel\" data-autoplay=\"yes\" data-autoplayspeed=\"2500\" data-autoplaypause=\"no\" data-columns=\"3\" data-columnsmedium=\"1\" data-columnssmall=\"1\" data-itemmargin=\"40\" data-itemwidth=\"180\" data-touchscroll=\"no\" data-freemode=\"no\" data-imagesize=\"auto\" data-scrollitems=\"1\" data-centeredslides=\"no\" data-rotationangle=\"50\" data-depth=\"100\" data-speed=\"500\" data-shadow=\"no\" data-pagination=\"bullets\" style=\"--awb-columns:3;--awb-column-spacing:40px;--awb-caption-margin-top:80px;--awb-caption-margin-right:0px;--awb-caption-margin-bottom:40px;--awb-caption-margin-left:0px;\"><div class=\"swiper-wrapper awb-image-carousel-wrapper fusion-flex-align-items-stretch\"><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div 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decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/infrabel-logo-opacity-300x200-1.png\" class=\"attachment-full size-full lazyload\" alt=\"Infrabel\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/infrabel-logo-opacity-300x200-1.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/infrabel-logo-opacity-300x200-1-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/infrabel-logo-opacity-300x200-1.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/ratp-logo-opacity.png\" class=\"attachment-full size-full lazyload\" alt=\"RATP\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/ratp-logo-opacity.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/ratp-logo-opacity-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/ratp-logo-opacity.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/sweco-logo-opacity-300x200-1.png\" class=\"attachment-full size-full lazyload\" alt=\"SWECO\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/sweco-logo-opacity-300x200-1.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/sweco-logo-opacity-300x200-1-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/sweco-logo-opacity-300x200-1.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/cp-logo-opacity-300x200-1.png\" class=\"attachment-full size-full lazyload\" alt=\"Canadian Pacific\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/cp-logo-opacity-300x200-1.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/cp-logo-opacity-300x200-1-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/cp-logo-opacity-300x200-1.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/trafikverket-logo-opacity-3.png\" class=\"attachment-full size-full lazyload\" alt=\"Trafikverket\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/trafikverket-logo-opacity-3.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/trafikverket-logo-opacity-3-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/trafikverket-logo-opacity-3.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/atkins-logo-opacity-300x200-1.png\" class=\"attachment-full size-full lazyload\" alt=\"ATKINS\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/atkins-logo-opacity-300x200-1.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/atkins-logo-opacity-300x200-1-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/atkins-logo-opacity-300x200-1.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/05\/HitachiRailSTS-logo.png\" class=\"attachment-full size-full lazyload\" alt=\"Hitachi Rail STS\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/05\/HitachiRailSTS-logo.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/05\/HitachiRailSTS-logo-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/05\/HitachiRailSTS-logo.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/alstom-logo-opacity-300x200-1.png\" class=\"attachment-full size-full lazyload\" alt=\"Alstom\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/alstom-logo-opacity-300x200-1.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/alstom-logo-opacity-300x200-1-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/alstom-logo-opacity-300x200-1.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/mta-logo-opacity-3.png\" class=\"attachment-full size-full lazyload\" alt=\"New York City Transfer\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/mta-logo-opacity-3.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/mta-logo-opacity-3-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/mta-logo-opacity-3.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/siemens-logo-opacity-300x200-1.png\" class=\"attachment-full size-full lazyload\" alt=\"Siemens\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/siemens-logo-opacity-300x200-1.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/siemens-logo-opacity-300x200-1-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/siemens-logo-opacity-300x200-1.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/thales-logo-opacity-300x200-1.png\" class=\"attachment-full size-full lazyload\" alt=\"Thales\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27200%27%20viewBox%3D%270%200%20300%20200%27%3E%3Crect%20width%3D%27300%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/thales-logo-opacity-300x200-1.png\" data-srcset=\"https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/thales-logo-opacity-300x200-1-200x133.png 200w, https:\/\/www.prover.com\/wp-content\/uploads\/2023\/04\/thales-logo-opacity-300x200-1.png 300w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:70px;--awb-padding-bottom:70px;--awb-background-color:var(--awb-custom_color_4);--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:calc( 1280px + 80px );margin-left: calc(-80px \/ 2 );margin-right: calc(-80px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:40px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:40px;--awb-width-medium:80%;--awb-order-medium:0;--awb-spacing-right-medium:40px;--awb-spacing-left-medium:40px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:40px;--awb-spacing-left-small:40px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:40px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:50px;--awb-margin-left-small:0px;--awb-font-size:32px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\"><p style=\"text-align: left;\">What makes Prover Diagnostic different?<\/p><\/h2><\/div><div class=\"fusion-text fusion-text-3\"><p>Formal verification is often requirements-driven, tracing properties back to safety requirements. This approach <b>supports testing (TST)<\/b> and <b>verification (VER)<\/b> teams through exhaustive exploration using the <b>Prover PSL<\/b> proof engine, aligned with <b>CENELEC norms.<\/b><\/p>\n<p>Prover Diagnostic takes a different angle: it supports the <strong>Safety Assurance team<\/strong> by deriving safety properties directly from system hazards and the Hazard Log, introducing automation into a part of safety assessment that has traditionally been manual.<\/p>\n<p>This provides an independent and complementary way to challenge mitigations, strengthening functional safety analyses with objective, model-based evidence.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-4 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1280px + 80px );margin-left: calc(-80px \/ 2 );margin-right: calc(-80px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-top:91px;--awb-padding-top-small:50px;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:40px;--awb-margin-bottom-large:30px;--awb-spacing-left-large:40px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:40px;--awb-spacing-left-medium:40px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:40px;--awb-spacing-left-small:40px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-7 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;--awb-font-size:32px;\"><h2 class=\"fusion-title-heading title-heading-center\" style=\"margin:0;text-transform:none;font-size:1em;\">How Prover Diagnostic works<\/h2><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-5 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-color:var(--awb-color1);--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:0px;--awb-padding-bottom:41px;--awb-padding-top-medium:70px;--awb-padding-bottom-medium:70px;--awb-padding-top-small:0px;--awb-padding-bottom-small:80px;--awb-margin-top:0px;--awb-margin-bottom:20px;--awb-margin-top-small:0px;--awb-margin-bottom-small:0px;--awb-background-color:var(--awb-color1);--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-stretch fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1318.4px;margin-left: calc(-3% \/ 2 );margin-right: calc(-3% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion-flex-column fusion-flex-align-self-stretch\" style=\"--awb-padding-top:50px;--awb-padding-right:40px;--awb-padding-bottom:20px;--awb-padding-left:40px;--awb-bg-color:var(--awb-color1);--awb-bg-color-hover:var(--awb-color1);--awb-bg-size:cover;--awb-box-shadow:5px 5px 5px 0px rgba(31,31,31,0.05);;--awb-border-color:var(--awb-custom_color_1);--awb-border-top:1px;--awb-border-right:1px;--awb-border-bottom:1px;--awb-border-left:1px;--awb-border-style:solid;--awb-width-large:27%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.3888888888889%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:4.365%;--awb-width-small:100%;--awb-order-small:0;--awb-margin-top-small:0px;--awb-spacing-right-small:1.455%;--awb-spacing-left-small:1.455%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-max-width:52px;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><img decoding=\"async\" width=\"494\" height=\"439\" alt=\"Integration obstacles\" title=\"integration-obstacles\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27494%27%20height%3D%27439%27%20viewBox%3D%270%200%20494%20439%27%3E%3Crect%20width%3D%27494%27%20height%3D%27439%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2025\/03\/integration-obstacles.svg\" class=\"lazyload img-responsive wp-image-21483\"\/><\/span><\/div><div class=\"fusion-title title fusion-title-8 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top:30px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;--awb-font-size:20px;\"><h3 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Nunito Sans&quot;;font-style:normal;font-weight:700;margin:0;text-transform:none;font-size:1em;\">1) Identify safety properties from hazards<\/h3><\/div><div class=\"fusion-text fusion-text-4\" style=\"--awb-font-size:16px;--awb-line-height:1.5;--awb-margin-top:5px;\"><p>Safety properties are modeled from system hazards, such as:<\/p>\n<ul>\n<li>collision scenarios<\/li>\n<li>derailment scenarios<\/li>\n<\/ul>\n<p>This ensures direct traceability between identified hazards and the formal properties used to challenge the design.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion-flex-column fusion-flex-align-self-stretch\" style=\"--awb-padding-top:50px;--awb-padding-right:40px;--awb-padding-bottom:20px;--awb-padding-left:40px;--awb-bg-color:var(--awb-color1);--awb-bg-color-hover:var(--awb-color1);--awb-bg-size:cover;--awb-box-shadow:5px 5px 5px 0px rgba(31,31,31,0.05);;--awb-border-color:var(--awb-custom_color_1);--awb-border-top:1px;--awb-border-right:1px;--awb-border-bottom:1px;--awb-border-left:1px;--awb-border-style:solid;--awb-width-large:27%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.3888888888889%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:4.365%;--awb-width-small:100%;--awb-order-small:0;--awb-margin-top-small:0px;--awb-spacing-right-small:1.455%;--awb-spacing-left-small:1.455%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-max-width:52px;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-none\"><img decoding=\"async\" width=\"130\" height=\"97\" title=\"Demonstration\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27130%27%20height%3D%2797%27%20viewBox%3D%270%200%20130%2097%27%3E%3Crect%20width%3D%27130%27%20height%3D%2797%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2024\/03\/Demonstration.png\" alt class=\"lazyload img-responsive wp-image-18906\"\/><\/span><\/div><div class=\"fusion-title title fusion-title-9 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top:30px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;--awb-font-size:20px;\"><h3 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Nunito Sans&quot;;font-style:normal;font-weight:700;margin:0;text-transform:none;font-size:1em;\">2) Define an environment model and constraints (SRACs)<\/h3><\/div><div class=\"fusion-text fusion-text-5\" style=\"--awb-font-size:16px;--awb-line-height:1.5;--awb-margin-top:5px;\"><p>An environment model captures safety-related constraints of:<\/p>\n<ul role=\"list\">\n<li>wayside components (e.g., switch machines)<\/li>\n<li>interfacing subsystems<\/li>\n<li>operational procedures<\/li>\n<\/ul>\n<p>For example, the environment model can ensure that a switch cannot change position unless it has been commanded or manually operated.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion-flex-column fusion-flex-align-self-stretch\" style=\"--awb-padding-top:50px;--awb-padding-right:40px;--awb-padding-bottom:20px;--awb-padding-left:40px;--awb-bg-color:var(--awb-color1);--awb-bg-color-hover:var(--awb-color1);--awb-bg-size:cover;--awb-box-shadow:5px 5px 5px 0px rgba(31,31,31,0.05);;--awb-border-color:var(--awb-custom_color_1);--awb-border-top:1px;--awb-border-right:1px;--awb-border-bottom:1px;--awb-border-left:1px;--awb-border-style:solid;--awb-width-large:27%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.3888888888889%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:4.365%;--awb-width-small:100%;--awb-order-small:0;--awb-margin-top-small:0px;--awb-spacing-right-small:1.455%;--awb-spacing-left-small:1.455%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-max-width:42px;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-4 hover-type-none\"><img decoding=\"async\" width=\"103\" height=\"95\" alt=\"Formal verification signaling issues\" title=\"formal-verification\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27103%27%20height%3D%2795%27%20viewBox%3D%270%200%20103%2095%27%3E%3Crect%20width%3D%27103%27%20height%3D%2795%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.prover.com\/wp-content\/uploads\/2024\/03\/formal-verification.png\" class=\"lazyload img-responsive wp-image-18918\"\/><\/span><\/div><div class=\"fusion-title title fusion-title-10 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top:30px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;--awb-font-size:20px;\"><h3 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Nunito Sans&quot;;font-style:normal;font-weight:700;margin:0;text-transform:none;font-size:1em;\">3) Analyze the software logic using formal proof<\/h3><\/div><div class=\"fusion-text fusion-text-6\" style=\"--awb-font-size:16px;--awb-line-height:1.5;--awb-margin-top:5px;\"><p>These elements are used to analyze a formal model of the logic (automatically generated or imported from an existing design).<\/p>\n<p>The analysis exhaustively explores the modeled behaviors under defined assumptions and constraints. Hazardous states are either proven unreachable within the model or reported with a scenario that supports review and targeted improvement.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-8 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.455%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.455%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.455%;--awb-spacing-left-medium:1.455%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.455%;--awb-spacing-left-small:1.455%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div style=\"text-align:center;\"><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-1 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"#diagnostic-form\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Contact us<\/span><i class=\"fa-arrow-down fas awb-button__icon awb-button__icon--default button-icon-right\" aria-hidden=\"true\"><\/i><\/a><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-6 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:70px;--awb-padding-bottom:70px;--awb-background-color:var(--awb-custom_color_4);--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:calc( 1280px + 80px );margin-left: calc(-80px \/ 2 );margin-right: calc(-80px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-9 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:40px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:40px;--awb-width-medium:80%;--awb-order-medium:0;--awb-spacing-right-medium:40px;--awb-spacing-left-medium:40px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:40px;--awb-spacing-left-small:40px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-11 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:70px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:50px;--awb-margin-left-small:0px;--awb-font-size:32px;\"><h2 class=\"fusion-title-heading title-heading-center\" style=\"margin:0;text-transform:none;font-size:1em;\">Why choose Prover Diagnostic?<\/h2><\/div><div class=\"fusion-content-boxes content-boxes columns row fusion-columns-1 fusion-columns-total-5 fusion-content-boxes-1 content-boxes-icon-on-side content-left\" style=\"--awb-iconcolor:var(--awb-color4);--awb-item-margin-bottom:20px;--awb-margin-bottom:0px;--awb-hover-accent-color:var(--awb-color4);--awb-circle-hover-accent-color:transparent;\" data-animationOffset=\"top-into-view\"><div style=\"--awb-backgroundcolor:rgba(255,255,255,0);--awb-iconcolor:var(--awb-color4);--awb-content-padding-left:40px;\" class=\"fusion-column content-box-column content-box-column content-box-column-1 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-link-icon content-icon-wrapper-yes icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><div class=\"icon\"><span ><i style=\"background-color:transparent;border-color:transparent;height:auto;width: 20px;line-height:normal;font-size:20px;\" aria-hidden=\"true\" class=\"fontawesome-icon fa-check fas circle-no\"><\/i><\/span><\/div><h3 class=\"content-box-heading\" style=\"--h3_typography-font-size:22px;line-height:27px;padding-left:40px;\">Independent challenge of safety measures<\/h3><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\">\n<p>Mitigations are challenged against a formal model \u2013 not only engineering judgement or test coverage \u2013 helping reveal gaps that traditional reviews may miss.<\/p>\n<\/div><\/div><\/div><div style=\"--awb-backgroundcolor:rgba(255,255,255,0);--awb-iconcolor:var(--awb-color4);--awb-content-padding-left:40px;\" class=\"fusion-column content-box-column content-box-column content-box-column-2 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-link-icon content-icon-wrapper-yes icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><div class=\"icon\"><span ><i style=\"background-color:transparent;border-color:transparent;height:auto;width: 20px;line-height:normal;font-size:20px;\" aria-hidden=\"true\" class=\"fontawesome-icon fa-check fas circle-no\"><\/i><\/span><\/div><h3 class=\"content-box-heading\" style=\"--h3_typography-font-size:22px;line-height:27px;padding-left:40px;\">Exhaustive exploration of modeled behaviors<\/h3><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\">\n<p>The Prover PSL proof engine enables exhaustive coverage of the modeled functional behaviors, without relying on \u201cdid we think of the right test case?\u201d<\/p>\n<\/div><\/div><\/div><div style=\"--awb-backgroundcolor:rgba(255,255,255,0);--awb-iconcolor:var(--awb-color4);--awb-content-padding-left:40px;\" class=\"fusion-column content-box-column content-box-column content-box-column-3 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-link-icon content-icon-wrapper-yes icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><div class=\"icon\"><span ><i style=\"background-color:transparent;border-color:transparent;height:auto;width: 20px;line-height:normal;font-size:20px;\" aria-hidden=\"true\" class=\"fontawesome-icon fa-check fas circle-no\"><\/i><\/span><\/div><h3 class=\"content-box-heading\" style=\"--h3_typography-font-size:22px;line-height:27px;padding-left:40px;\">Stronger, clearer Safety Case<\/h3><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\">\n<p>Findings and hypotheses are documented in a way that fits naturally into the TSR, supporting compliance with CENELEC norms and making assessments easier to defend.<\/p>\n<\/div><\/div><\/div><div style=\"--awb-backgroundcolor:rgba(255,255,255,0);--awb-iconcolor:var(--awb-color4);--awb-content-padding-left:40px;\" class=\"fusion-column content-box-column content-box-column content-box-column-4 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-link-icon content-icon-wrapper-yes icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><div class=\"icon\"><span ><i style=\"background-color:transparent;border-color:transparent;height:auto;width: 20px;line-height:normal;font-size:20px;\" aria-hidden=\"true\" class=\"fontawesome-icon fa-check fas circle-no\"><\/i><\/span><\/div><h3 class=\"content-box-heading\" style=\"--h3_typography-font-size:22px;line-height:27px;padding-left:40px;\">Reduced late rework and project risk<\/h3><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\">\n<p>Unsafe scenarios are exposed earlier, with precise counterexamples that guide targeted improvements instead of broad redesign.<\/p>\n<\/div><\/div><\/div><div style=\"--awb-backgroundcolor:rgba(255,255,255,0);--awb-iconcolor:var(--awb-color4);--awb-content-padding-left:40px;\" class=\"fusion-column content-box-column content-box-column content-box-column-5 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-link-icon content-icon-wrapper-yes icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><div class=\"icon\"><span ><i style=\"background-color:transparent;border-color:transparent;height:auto;width: 20px;line-height:normal;font-size:20px;\" aria-hidden=\"true\" class=\"fontawesome-icon fa-check fas circle-no\"><\/i><\/span><\/div><h3 class=\"content-box-heading\" style=\"--h3_typography-font-size:22px;line-height:27px;padding-left:40px;\">Better alignment between hazards and design<\/h3><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\">\n<p>Because properties are derived from the Hazard Log, you gain assurance that the implemented logic supports functional safety analyses and the system-wide risk picture.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><\/div><div id=\"diagnostic-form\" class=\"fusion-container-anchor\"><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-7 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:0px;--awb-padding-right:30px;--awb-padding-bottom:0px;--awb-padding-left:30px;--awb-padding-top-small:0px;--awb-padding-right-small:0px;--awb-padding-bottom-small:0px;--awb-padding-left-small:0px;--awb-margin-top:60px;--awb-margin-bottom:0px;--awb-margin-top-small:0px;--awb-margin-bottom-small:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1280px + 80px );margin-left: calc(-80px \/ 2 );margin-right: calc(-80px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-10 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-right:30px;--awb-padding-left:30px;--awb-padding-right-small:30px;--awb-padding-left-small:30px;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:40px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:40px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:40px;--awb-spacing-left-medium:40px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:40px;--awb-spacing-left-small:40px;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"--awb-flex-grow:0;--awb-flex-grow-medium:0;--awb-flex-grow-small:0;--awb-flex-shrink:0;--awb-flex-shrink-medium:0;--awb-flex-shrink-small:0;width:calc( 100% + 80px ) !important;max-width:calc( 100% + 80px ) !important;margin-left: calc(-80px \/ 2 );margin-right: calc(-80px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-1 fusion_builder_column_inner_1_2 1_2 fusion-flex-column\" style=\"--awb-padding-top:100px;--awb-padding-right:80px;--awb-padding-bottom:80px;--awb-padding-left:80px;--awb-padding-top-small:60px;--awb-padding-right-small:40px;--awb-padding-bottom-small:40px;--awb-padding-left-small:40px;--awb-bg-color:var(--awb-color3);--awb-bg-color-hover:var(--awb-color3);--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:60px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:120px;--awb-spacing-left-large:0px;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-order-small:0;--awb-margin-top-small:0px;--awb-spacing-right-small:0px;--awb-margin-bottom-small:0px;--awb-spacing-left-small:0px;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-7\" style=\"--awb-font-size:14px;--awb-line-height:1;--awb-letter-spacing:1px;--awb-text-transform:uppercase;--awb-text-color:var(--awb-color1);\"><p>Book a meeting<\/p>\n<\/div><div class=\"fusion-title title fusion-title-12 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color1);--awb-margin-bottom:30px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:30px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;\">Get a customer-specific proposal for Prover Diagnostic<\/h2><\/div><div class=\"fusion-text fusion-text-8 fusion-text-no-margin\" style=\"--awb-text-color:var(--awb-color1);--awb-margin-bottom:30px;\"><p>Share a few details about your project and we will get back to discuss scope, inputs, and expected deliverables.<\/p>\n<p><strong>Typical inputs include:<\/strong><\/p>\n<ul>\n<li>Hazard Log<\/li>\n<li>SRACs\/operational constraints<\/li>\n<li>A model of the software logic<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-2 fusion_builder_column_inner_1_2 1_2 fusion-flex-column\" style=\"--awb-padding-top:100px;--awb-padding-right:80px;--awb-padding-bottom:100px;--awb-padding-left:80px;--awb-padding-top-small:60px;--awb-padding-right-small:40px;--awb-padding-bottom-small:40px;--awb-padding-left-small:40px;--awb-bg-color:var(--awb-custom_color_4);--awb-bg-color-hover:var(--awb-custom_color_4);--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-order-small:0;--awb-margin-top-small:0px;--awb-spacing-right-small:0px;--awb-margin-bottom-small:0px;--awb-spacing-left-small:0px;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-9 fusion-text-no-margin\" style=\"--awb-font-size:20px;--awb-text-color:var(--awb-color5);--awb-margin-bottom:30px;--awb-text-font-family:&quot;Nunito Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:300;\"><p>I\u2019m interested in a Prover Diagnostic. Contact me!<\/p>\n<\/div><script charset=\"utf-8\" type=\"text\/javascript\" src=\"\/\/js-eu1.hsforms.net\/forms\/embed\/v2.js\"><\/script>\n<script>\n  hbspt.forms.create({\n    region: \"eu1\",\n    portalId: \"26789739\",\n    formId: \"bf0d0c8c-f18f-4855-b690-bf340333f201\"\n  });\n<\/script><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":10,"featured_media":22522,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-22513","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Prover Diagnostic<\/title>\n<meta name=\"description\" content=\"Prover Diagnostic challenges safety mitigations using hazard-based formal verification, providing clear proof or counterexamples before deployment.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.prover.com\/prover-diagnostic\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Prover Diagnostic\" \/>\n<meta property=\"og:description\" content=\"Prover Diagnostic challenges safety mitigations using hazard-based formal verification, providing clear proof or counterexamples before deployment.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.prover.com\/prover-diagnostic\/\" \/>\n<meta property=\"og:site_name\" content=\"Prover - 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