./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/Double_div.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/Double_div.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8571d6e044ba86c3b82c24f6ff451bf497f2aedf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/Double_div.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8571d6e044ba86c3b82c24f6ff451bf497f2aedf ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:07:24,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:24,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:24,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:24,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:24,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:24,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:24,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:24,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:24,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:24,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:24,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:24,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:24,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:24,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:24,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:24,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:24,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:24,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:24,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:24,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:24,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:24,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:24,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:24,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:24,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:24,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:24,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:24,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:24,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:24,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:24,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:24,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:24,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:24,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:24,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:24,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:24,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:24,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:24,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:24,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:24,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:07:24,997 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:24,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:25,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:25,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:25,005 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:25,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:25,008 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:25,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:07:25,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:25,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:25,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:25,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:25,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:25,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:25,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:25,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:25,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:25,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:25,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:25,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:25,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:25,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:25,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:25,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:25,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:25,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:07:25,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:07:25,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:25,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8571d6e044ba86c3b82c24f6ff451bf497f2aedf [2019-11-27 16:07:25,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:25,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:25,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:25,583 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:25,586 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:25,587 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2019-11-27 16:07:25,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c69f4204e/5ef38027534c401d8f54000dcc949031/FLAGef3179d12 [2019-11-27 16:07:26,764 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:26,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2019-11-27 16:07:26,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c69f4204e/5ef38027534c401d8f54000dcc949031/FLAGef3179d12 [2019-11-27 16:07:26,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c69f4204e/5ef38027534c401d8f54000dcc949031 [2019-11-27 16:07:26,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:26,833 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:26,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:26,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:26,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:26,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:26" (1/1) ... [2019-11-27 16:07:26,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57fe78cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:26, skipping insertion in model container [2019-11-27 16:07:26,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:26" (1/1) ... [2019-11-27 16:07:26,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:26,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:27,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:27,364 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:27,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:27,443 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:27,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:27 WrapperNode [2019-11-27 16:07:27,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:27,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:27,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:27,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:27,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:27" (1/1) ... [2019-11-27 16:07:27,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:27" (1/1) ... [2019-11-27 16:07:27,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:27,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:27,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:27,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:27,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:27" (1/1) ... [2019-11-27 16:07:27,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:27" (1/1) ... [2019-11-27 16:07:27,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:27" (1/1) ... [2019-11-27 16:07:27,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:27" (1/1) ... [2019-11-27 16:07:27,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:27" (1/1) ... [2019-11-27 16:07:27,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:27" (1/1) ... [2019-11-27 16:07:27,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:27" (1/1) ... [2019-11-27 16:07:27,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:27,673 INFO L168 Benchmark]: Toolchain (without parser) took 823.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:27,676 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:27,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.66 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:27,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:27,684 INFO L168 Benchmark]: Boogie Preprocessor took 44.70 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:27,696 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 610.66 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.70 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:07:31,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:31,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:31,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:31,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:31,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:31,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:31,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:31,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:31,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:31,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:31,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:31,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:31,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:31,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:31,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:31,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:31,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:31,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:31,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:31,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:31,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:31,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:31,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:31,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:31,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:31,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:31,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:31,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:31,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:31,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:31,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:31,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:31,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:31,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:31,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:31,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:31,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:31,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:31,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:31,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:31,825 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:31,864 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:31,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:31,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:31,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:31,873 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:31,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:31,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:31,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:31,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:31,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:31,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:31,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:31,879 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:31,880 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:31,880 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:31,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:31,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:31,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:31,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:31,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:31,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:31,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:31,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:31,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:31,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:31,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:31,887 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:31,887 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:31,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:31,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:31,890 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8571d6e044ba86c3b82c24f6ff451bf497f2aedf [2019-11-27 16:07:32,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:32,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:32,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:32,557 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:32,560 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:32,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2019-11-27 16:07:32,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/331033761/53fc0b02753448eb9acaeb73bff2b9f0/FLAG8ce0013d1 [2019-11-27 16:07:33,654 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:33,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2019-11-27 16:07:33,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/331033761/53fc0b02753448eb9acaeb73bff2b9f0/FLAG8ce0013d1 [2019-11-27 16:07:33,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/331033761/53fc0b02753448eb9acaeb73bff2b9f0 [2019-11-27 16:07:33,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:33,880 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:33,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:33,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:33,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:33,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:33,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:33, skipping insertion in model container [2019-11-27 16:07:33,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:33" (1/1) ... [2019-11-27 16:07:33,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:33,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:34,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:34,420 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:34,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:34,500 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:34,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:34 WrapperNode [2019-11-27 16:07:34,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:34,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:34,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:34,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:34,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:34" (1/1) ... [2019-11-27 16:07:34,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:34" (1/1) ... [2019-11-27 16:07:34,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:34,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:34,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:34,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:34,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:34" (1/1) ... [2019-11-27 16:07:34,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:34" (1/1) ... [2019-11-27 16:07:34,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:34" (1/1) ... [2019-11-27 16:07:34,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:34" (1/1) ... [2019-11-27 16:07:34,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:34" (1/1) ... [2019-11-27 16:07:34,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:34" (1/1) ... [2019-11-27 16:07:34,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:34" (1/1) ... [2019-11-27 16:07:34,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:34,727 INFO L168 Benchmark]: Toolchain (without parser) took 844.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 991.3 MB in the end (delta: -33.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:34,730 INFO L168 Benchmark]: CDTParser took 2.78 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:34,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.85 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:34,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.49 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 997.0 MB in the end (delta: -51.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:34,753 INFO L168 Benchmark]: Boogie Preprocessor took 47.70 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:34,765 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.78 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 618.85 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 171.49 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 997.0 MB in the end (delta: -51.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.70 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...