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              <h2 class="banner-title">Securing the future of your critical activities</h2>
              <p class="banner-desc">The Frama-C source code analysis platform provides tools to make your code safer and more
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          <section class="section codeDemoScreen textCenter" id="code_demo_screen" data-title="ERROR!">
            <div class="sectionContent">
              <h3>Trying out Frama-C analyzing
              <br />a simple C program</h3>
              <div class="slideHeader">
                <h4>Browsing the analysis results with Frama-C</h4>
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                        <span>Interface Overview</span>
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                        <span>Value Analysis</span>
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                        <span>Effects Analysis</span>
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                        <span>Dependency Analysis</span>
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                      <div class="codeTips">
                        <div class="title">
                          <b>01</b>
                          <span>This command-line creates an analysis project for file 
                          <samp>first.c</samp>.</span>
                        </div>
                        <div class="title">
                          <b>02</b>
                          <span>Option 
                          <samp>-val</samp> runs the Evolved Value Analysis plug-in and prepares its results.</span>
                        </div>
                        <div class="title">
                          <b>03</b>
                          <span>Option 
                          <tt>-slevel 10</tt> is one of several options that influence the precision of the value analysis.</span>
                        </div>
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                      <div class="notebook code">
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                          <div class="codeScreen">
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                              <div style="background: #202020; overflow:auto;width:auto;border:solid transparent;">
                                <pre style="margin: 0; line-height: 125%">
 
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #d0d0d0">S=</span>
<span style="color: #3677a9">0</span>
<span style="color: #d0d0d0">;</span>
 
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #d0d0d0">T[</span>
<span style="color: #3677a9">5</span>
<span style="color: #d0d0d0">];</span>
 
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #447fcf">main</span>
<span style="color: #d0d0d0">(</span>
<span style="color: #6ab825; font-weight: bold">void</span>
<span style="color: #d0d0d0">)</span>
 
<span style="color: #d0d0d0">{</span>
   
<span class="highlight">int i;</span>
   
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #d0d0d0">*p</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #d0d0d0">&amp;T[</span>
<span style="color: #3677a9">0</span>
<span style="color: #d0d0d0">]</span> 
<span style="color: #d0d0d0">;</span>
   
<span style="color: #6ab825; font-weight: bold">for</span> 
<span style="color: #d0d0d0">(i=</span>
<span style="color: #3677a9">0</span>
<span style="color: #d0d0d0">;</span> 
<span style="color: #d0d0d0">i&lt;</span>
<span style="color: #3677a9">5</span>
<span style="color: #d0d0d0">;</span> 
<span style="color: #d0d0d0">i++)</span>
     
<span style="color: #d0d0d0">{</span> 
<span style="color: #d0d0d0">S</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #d0d0d0">S+i;</span> 
<span style="color: #d0d0d0">*p++</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #d0d0d0">S;</span> 
<span style="color: #d0d0d0">}</span>
   
<span style="color: #6ab825; font-weight: bold">return</span> 
<span style="color: #d0d0d0">S;</span>
 
<span style="color: #d0d0d0">}</span>


  
<span style="color: #d0d0d0">
<span class="arrowTooltip left">
  <span>
    <span class="title">
      <b>01</b>
      <span>This command-line creates an analysis project for file 
      <samp>first.c</samp>.</span>
    </span>
  </span>
</span>frama-c-gui</span> 
<span style="color: #d0d0d0">-slevel</span> 
<span style="color: #3677a9">10
<span class="tooltip">3</span></span> 
<span style="color: #d0d0d0">-val
<span class="tooltip">2</span> 
<span style="color: #d0d0d0">first.c
<span class="tooltip">1</span>
<span class="arrowTooltip right">
  <span>
    <span class="title">
      <b>02</b>
      <span>Option 
      <samp>-val</samp> runs the Evolved Value Analysis plug-in and prepares its results.</span>
    </span>
  </span>
</span></span>
</span>
</pre>
                              </div>
                            </div>
                          </div>
                        </div>
                      </div>
                    </div>
                    <div class="swiper-slide">
                      <div class="codeTips">
                        <div class="title">
                          <b>01</b>
                          <span>The Evolved Value Analysis (EVA) plug-in computes sets of possible values for every variable at
                          each point of the program.</span>
                        </div>
                        <div class="title">
                          <b>02</b>
                          <span>When the execution reaches the highlighted point inside the loop, the variable 
                          <samp>S</samp> always contains either 0, 1, 3, or 6. Frama-C guarantees that it does not take any other
                          values at that point.</span>
                        </div>
                      </div>
                      <div class="notebook code">
                        <div>
                          <div class="codeScreen">
                            <div class="codeTab tab-demo">
                              <div style="background: #202020; overflow:auto;width:auto;border:solid transparent;">
                                <pre style="margin: 0; line-height: 125%">
  
<span style="color: #d0d0d0">i</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #3677a9">0</span>
<span style="color: #d0d0d0">;</span>
  
<span style="color: #6ab825; font-weight: bold">while</span> 
<span style="color: #d0d0d0">(i</span> 
<span style="color: #d0d0d0">&lt;</span> 
<span style="color: #3677a9">5</span>
<span style="color: #d0d0d0">)</span> 
<span style="color: #d0d0d0">{</span>
    
<span style="color: #d0d0d0">{</span>
      
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #d0d0d0">*tmp;</span>
      
<span class="arrowTooltip left">
  <span>
    <span class="title">
      <b>01</b>
      <span>The Evolved Value Analysis (EVA) plug-in computes sets of possible values for every variable at each point of the
      program.</span>
    </span>
  </span>
</span>
<span style="color: #d0d0d0">
  <span class="highlight">S
  <span class="tooltip">1</span></span>
</span> 
<span style="color: #d0d0d0">+=</span> 
<span style="color: #d0d0d0">i;</span>
    
<span style="color: #d0d0d0">{</span> 
<span style="color: #999999; font-style: italic">/* sequence */</span>
         
<span style="color: #d0d0d0">tmp</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #d0d0d0">p;</span>
         
<span style="color: #d0d0d0">p</span> 
<span style="color: #d0d0d0">++;</span>
         
<span style="color: #d0d0d0">*tmp</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #d0d0d0">S;</span>
       
<span style="color: #d0d0d0">}</span>
    
<span style="color: #d0d0d0">}</span>
    
<span style="color: #d0d0d0">i++;</span>
  
<span style="color: #d0d0d0">}</span>
  
<span style="color: #6ab825; font-weight: bold">return</span> 
<span style="color: #d0d0d0">S;</span>
 
<span style="color: #d0d0d0">}</span>

 
<span style="color: #d0d0d0">S</span> 
<span style="color: #a61717; background-color: #e3d2d2"></span> 
<span style="color: #d0d0d0">{</span>
<span style="color: #3677a9">0</span>
<span style="color: #d0d0d0">;</span> 
<span style="color: #3677a9">1</span>
<span style="color: #d0d0d0">;</span> 
<span style="color: #3677a9">3</span>
<span style="color: #d0d0d0">;</span> 
<span style="color: #3677a9">6</span>
<span style="color: #d0d0d0">}</span>
<span class="tooltip">2</span>
<span class="arrowTooltip right">
  <span>
    <span class="title">
      <b>02</b>
      <span>When the execution reaches the highlighted point inside the loop, the variable 
      <samp>S</samp> always contains either 0, 1, 3, or 6. Frama-C guarantees that it does not take any other values at that
      point.</span>
    </span>
  </span>
</span>
 
<span style="color: #d0d0d0">S</span> 
<span style="color: #d0d0d0">(after)</span> 
<span style="color: #a61717; background-color: #e3d2d2"></span> 
<span style="color: #d0d0d0">{</span>
<span style="color: #3677a9">0</span>
<span style="color: #d0d0d0">;</span> 
<span style="color: #3677a9">1</span>
<span style="color: #d0d0d0">;</span> 
<span style="color: #3677a9">3</span>
<span style="color: #d0d0d0">;</span> 
<span style="color: #3677a9">6</span>
<span style="color: #d0d0d0">;</span> 
<span style="color: #3677a9">10</span>
<span style="color: #d0d0d0">}</span>
</pre>
                              </div>
                            </div>
                          </div>
                        </div>
                      </div>
                    </div>
                    <div class="swiper-slide">
                      <div class="codeTips">
                        <div class="title">
                          <b>01</b>
                          <span>For each statement, Frama-C can provide an exhaustive list of the memory cells that may be modified
                          by this statement during the execution, even if the statement uses pointers.</span>
                        </div>
                        <div class="title">
                          <b>02</b>
                          <span>Frama-C guarantees that anytime it is executed, the statement 
                          <samp>*tmp = S;</samp> does not change any memory location other than the cells of the array 
                          <samp>T</samp>.</span>
                        </div>
                      </div>
                      <div class="notebook code">
                        <div>
                          <div class="codeScreen">
                            <div class="codeTab tab-demo">
                              <div style="background: #202020; overflow:auto;width:auto;border:solid transparent;">
                                <pre style="margin: 0; line-height: 125%">
  
<span style="color: #d0d0d0">p</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #d0d0d0">T;</span>
  
<span style="color: #d0d0d0">i</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #3677a9">0</span>
<span style="color: #d0d0d0">;</span>
  
<span style="color: #6ab825; font-weight: bold">while</span> 
<span style="color: #d0d0d0">(i</span> 
<span style="color: #d0d0d0">&lt;</span> 
<span style="color: #3677a9">5</span>
<span style="color: #d0d0d0">)</span> 
<span style="color: #d0d0d0">{</span>
    
<span style="color: #d0d0d0">{</span>
      
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #d0d0d0">*tmp;</span>
      
<span style="color: #d0d0d0">S</span> 
<span style="color: #d0d0d0">+=</span> 
<span style="color: #d0d0d0">i;</span>
       
<span style="color: #d0d0d0">{</span> 
<span style="color: #999999; font-style: italic">/* sequence */</span>
         
<span style="color: #d0d0d0">tmp</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #d0d0d0">p;</span>
         
<span style="color: #d0d0d0">p</span> 
<span style="color: #d0d0d0">++;</span>
         
<span class="arrowTooltip left">
  <span>
    <span class="title">
      <b>01</b>
      <span>For each statement, Frama-C can provide an exhaustive list of the memory cells that may be modified by this statement
      during the execution, even if the statement uses pointers.</span>
    </span>
  </span>
</span>
<span class="highlight">*tmp = S;
<span class="tooltip">1</span></span>
       
<span style="color: #d0d0d0">}</span>
    
<span style="color: #d0d0d0">}</span>
    
<span style="color: #d0d0d0">i++;</span>
  
<span style="color: #d0d0d0">}</span>
  
<span style="color: #6ab825; font-weight: bold">return</span> 
<span style="color: #d0d0d0">S;</span>
 
<span style="color: #d0d0d0">}</span>
 
 
<span class="highlight">*tmp = S;</span> 
<span style="color: #d0d0d0">modifies</span> 
<span style="color: #d0d0d0">T[</span>
<span style="color: #3677a9">0..4</span>
<span style="color: #d0d0d0">]</span>
<span class="arrowTooltip right">
  <span>
    <span class="title">
      <b>02</b>
      <span>Frama-C guarantees that anytime it is executed, the statement 
      <samp>*tmp = S;</samp> does not change any memory location other than the cells of the array 
      <samp>T</samp>.</span>
    </span>
  </span>
</span>
<span class="tooltip">2</span>
</pre>
                              </div>
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                          </div>
                        </div>
                      </div>
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                    <div class="swiper-slide">
                      <div class="codeTips">
                        <div class="title">
                          <b>01</b>
                          <span>The dependencies plug-in highlights the statements that define the value of variable 
                          <samp>S</samp> at this point.</span>
                        </div>
                        <div class="title">
                          <b>02</b>
                          <span>The value contained in variable 
                          <samp>S</samp> at the statement 
                          <samp>*tmp = S;</samp> was defined by the statement 
                          <samp>S += i;</samp></span>
                        </div>
                      </div>
                      <div class="notebook code">
                        <div>
                          <div class="codeScreen">
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                              <div style="background: #202020; overflow:auto;width:auto;border:solid transparent;">
                                <pre style="margin: 0; line-height: 125%">
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #447fcf">main</span>
<span style="color: #d0d0d0">(</span>
<span style="color: #6ab825; font-weight: bold">void</span>
<span style="color: #d0d0d0">)</span>
<span style="color: #d0d0d0">{</span>
  
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #d0d0d0">i;</span>
  
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #d0d0d0">*p;</span>
  
<span style="color: #d0d0d0">p</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #d0d0d0">T;</span>
  
<span style="color: #d0d0d0">i</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #3677a9">0</span>
<span style="color: #d0d0d0">;</span>
  
<span style="color: #6ab825; font-weight: bold">while</span> 
<span style="color: #d0d0d0">(i</span> 
<span style="color: #d0d0d0">&lt;</span> 
<span style="color: #3677a9">5</span>
<span style="color: #d0d0d0">)</span> 
<span style="color: #d0d0d0">{</span>
    
<span style="color: #d0d0d0">{</span>
      
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #d0d0d0">*tmp;</span>
      
<span class="highlight2">S += i;</span>
<span class="tooltip">2</span>
<span class="arrowTooltip right">
  <span>
    <span class="title">
      <b>02</b>
      <span>The value contained in variable 
      <samp>S</samp> at the statement 
      <samp>*tmp = S;</samp> was defined by the statement 
      <samp>S += i;</samp></span>
    </span>
  </span>
</span>
       
<span style="color: #d0d0d0">{</span> 
<span style="color: #999999; font-style: italic">/* sequence */</span>
         
<span style="color: #d0d0d0">tmp</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #d0d0d0">p;</span>
         
<span style="color: #d0d0d0">p</span> 
<span style="color: #d0d0d0">++;</span>
         
<span class="arrowTooltip left">
  <span>
    <span class="title">
      <b>01</b>
      <span>The dependencies plug-in highlights the statements that define the value of variable 
      <samp>S</samp> at this point.</span>
    </span>
  </span>
</span>
<span style="color: #d0d0d0">*tmp</span> 
<span style="color: #d0d0d0">=</span> 
<span class="highlight">S
<span class="tooltip">1</span></span>
<span style="color: #d0d0d0">;</span>
       
<span style="color: #d0d0d0">}</span>
    
<span style="color: #d0d0d0">}</span>
    
<span style="color: #d0d0d0">i++;</span>
  
<span style="color: #d0d0d0">}</span>
  
<span style="color: #6ab825; font-weight: bold">return</span> 
<span style="color: #d0d0d0">S;</span>
<span style="color: #d0d0d0">}</span>
</pre>
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                      </div>
                    </div>
                    <div class="swiper-slide">
                      <div class="codeTips">
                        <div class="title">
                          <b>01</b>
                          <span>This analysis highlights all the statements impacted by the selected statement.</span>
                        </div>
                        <div class="title">
                          <b>02</b>
                          <span>This statement has repercussions on the statements 
                          <samp>tmp = p; p++; *tmp = S;</samp>. It is guaranteed not to affect the statements 
                          <samp>S += i;</samp> and 
                          <samp>i ++;</samp></span>
                        </div>
                      </div>
                      <div class="notebook code">
                        <div>
                          <div class="codeScreen">
                            <div class="codeTab tab-demo">
                              <div style="background: #202020; overflow:auto;width:auto;border:solid transparent;">
                                <pre style="margin: 0; line-height: 125%">
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #447fcf">main</span>
<span style="color: #d0d0d0">(</span>
<span style="color: #6ab825; font-weight: bold">void</span>
<span style="color: #d0d0d0">)</span>
<span style="color: #d0d0d0">{</span>
  
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #d0d0d0">i;</span>
  
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #d0d0d0">*p;</span>
  
<span class="arrowTooltip left">
  <span>
    <span class="title">
      <b>01</b>
      <span>This analysis highlights all the statements impacted by the selected statement.</span>
    </span>
  </span>
</span>
<span class="highlight">p = T;</span>
<span class="tooltip">1</span>
  
<span style="color: #d0d0d0">i</span> 
<span style="color: #d0d0d0">=</span> 
<span style="color: #3677a9">0</span>
<span style="color: #d0d0d0">;</span>
  
<span style="color: #6ab825; font-weight: bold">while</span> 
<span style="color: #d0d0d0">(i</span> 
<span style="color: #d0d0d0">&lt;</span> 
<span style="color: #3677a9">5</span>
<span style="color: #d0d0d0">)</span> 
<span style="color: #d0d0d0">{</span>
    
<span style="color: #d0d0d0">{</span>
      
<span style="color: #6ab825; font-weight: bold">int</span> 
<span style="color: #d0d0d0">*tmp;</span>
      
<span style="color: #d0d0d0">S</span> 
<span style="color: #d0d0d0">+=</span> 
<span style="color: #d0d0d0">i;</span>
       
<span style="color: #d0d0d0">{</span> 
<span style="color: #999999; font-style: italic">/* sequence */</span>
         
<span class="highlight2">tmp = p;</span>
         
<span class="highlight2">p++;</span>
         
<span class="highlight2">*tmp = S;</span>
<span class="tooltip">2</span>
<span class="arrowTooltip right">
  <span>
    <span class="title">
      <b>02</b>
      <span>This statement has repercussions on the statements 
      <samp>tmp = p; p++; *tmp = S;</samp>. It is guaranteed not to affect the statements 
      <samp>S += i;</samp> and 
      <samp>i ++;</samp></span>
    </span>
  </span>
</span>
       
<span style="color: #d0d0d0">}</span>
    
<span style="color: #d0d0d0">}</span>
    
<span style="color: #d0d0d0">i++;</span>
  
<span style="color: #d0d0d0">}</span>
  
<span style="color: #6ab825; font-weight: bold">return</span> 
<span style="color: #d0d0d0">S;</span>
<span style="color: #d0d0d0">}</span>
</pre>
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                          <h3>of letters, as opposed to using</h3>
                          <p>It is a long established fact that a reader will be distracted by the readable content of a page when
                          looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution
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                          <h3>frama-clang 0.0.3, compatible with Frama-C 15 is out.</h3>
                          <p>Frama-Clang is a plugin that allows Frama-C to take as input C++ programs. As its name implies, it is
                          based on the clang compiler, the C/C++/Objective-C front-end of the llvm platform. Changes Compatibility
                          with Frama-C 15 Phosphorus Improved handling of constructors and...</p>
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                          <p>The first version of the Frama-Clang plugin, an experimental C++ front-end for Frama-C, is available.
                          The first version of the Frama-Clang plugin, an experimental C++ front-end for Frama-C, is available.
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