./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/Float_div_bad.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 f6874e83bb98ef964ab4624a7a111074df579069 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Float_div_bad.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 f6874e83bb98ef964ab4624a7a111074df579069 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:24,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:24,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:24,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:24,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:24,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:24,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:24,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:24,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:24,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:24,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:24,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:24,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:24,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:24,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:24,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:24,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:24,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:24,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:24,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:24,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:24,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:24,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:24,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:24,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:24,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:24,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:24,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:24,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:24,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:24,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:24,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:24,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:24,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:24,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:24,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:24,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:24,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:24,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:24,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:24,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:24,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:58:24,771 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:24,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:24,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:24,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:24,777 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:24,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:24,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:24,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:58:24,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:24,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:24,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:24,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:24,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:24,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:24,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:24,785 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:24,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:24,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:24,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:24,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:24,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:24,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:24,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:24,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:24,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:24,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:58:24,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:58:24,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:24,793 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 -> f6874e83bb98ef964ab4624a7a111074df579069 [2019-11-26 16:58:25,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:25,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:25,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:25,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:25,339 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:25,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i [2019-11-26 16:58:25,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6a1445d/417e9727d7094c0d96916f48f30df8bb/FLAG3d1057939 [2019-11-26 16:58:26,493 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:26,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i [2019-11-26 16:58:26,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6a1445d/417e9727d7094c0d96916f48f30df8bb/FLAG3d1057939 [2019-11-26 16:58:26,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6a1445d/417e9727d7094c0d96916f48f30df8bb [2019-11-26 16:58:26,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:26,785 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:26,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:26,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:26,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:26,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:26" (1/1) ... [2019-11-26 16:58:26,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549c264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:26, skipping insertion in model container [2019-11-26 16:58:26,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:26" (1/1) ... [2019-11-26 16:58:26,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:26,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:27,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:27,307 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:27,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:27,351 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:27,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:27 WrapperNode [2019-11-26 16:58:27,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:27,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:27,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:27,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:27,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:27" (1/1) ... [2019-11-26 16:58:27,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:27" (1/1) ... [2019-11-26 16:58:27,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:27,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:27,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:27,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:27,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:27" (1/1) ... [2019-11-26 16:58:27,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:27" (1/1) ... [2019-11-26 16:58:27,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:27" (1/1) ... [2019-11-26 16:58:27,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:27" (1/1) ... [2019-11-26 16:58:27,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:27" (1/1) ... [2019-11-26 16:58:27,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:27" (1/1) ... [2019-11-26 16:58:27,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:27" (1/1) ... [2019-11-26 16:58:27,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:27,578 INFO L168 Benchmark]: Toolchain (without parser) took 786.92 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:27,582 INFO L168 Benchmark]: CDTParser took 1.36 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. [2019-11-26 16:58:27,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.95 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. [2019-11-26 16:58:27,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.30 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 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:27,603 INFO L168 Benchmark]: Boogie Preprocessor took 37.12 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:27,622 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 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 571.95 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 172.30 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 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 37.12 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:31,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:31,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:31,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:31,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:31,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:31,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:31,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:31,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:31,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:31,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:31,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:31,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:31,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:31,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:31,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:31,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:31,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:31,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:31,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:31,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:31,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:31,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:31,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:31,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:31,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:31,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:31,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:31,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:31,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:31,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:31,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:31,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:31,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:31,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:31,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:31,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:31,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:31,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:31,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:31,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:31,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:31,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:31,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:31,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:31,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:31,812 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:31,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:31,812 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:31,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:31,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:31,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:31,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:31,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:31,817 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:31,820 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:31,820 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:31,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:31,821 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:31,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:31,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:31,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:31,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:31,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:31,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:31,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:31,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:31,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:31,826 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:31,827 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:31,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:31,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:31,831 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 -> f6874e83bb98ef964ab4624a7a111074df579069 [2019-11-26 16:58:32,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:32,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:32,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:32,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:32,414 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:32,416 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i [2019-11-26 16:58:32,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1766560ef/25593806cedb4c4abc19225f2ea4535e/FLAG771a1b535 [2019-11-26 16:58:33,575 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:33,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i [2019-11-26 16:58:33,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1766560ef/25593806cedb4c4abc19225f2ea4535e/FLAG771a1b535 [2019-11-26 16:58:33,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1766560ef/25593806cedb4c4abc19225f2ea4535e [2019-11-26 16:58:33,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:33,792 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:33,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:33,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:33,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:33,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:33" (1/1) ... [2019-11-26 16:58:33,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549c264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:33, skipping insertion in model container [2019-11-26 16:58:33,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:33" (1/1) ... [2019-11-26 16:58:33,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:33,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:34,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:34,289 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:34,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:34,342 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:34,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:34 WrapperNode [2019-11-26 16:58:34,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:34,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:34,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:34,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:34,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:34" (1/1) ... [2019-11-26 16:58:34,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:34" (1/1) ... [2019-11-26 16:58:34,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:34,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:34,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:34,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:34,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:34" (1/1) ... [2019-11-26 16:58:34,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:34" (1/1) ... [2019-11-26 16:58:34,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:34" (1/1) ... [2019-11-26 16:58:34,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:34" (1/1) ... [2019-11-26 16:58:34,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:34" (1/1) ... [2019-11-26 16:58:34,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:34" (1/1) ... [2019-11-26 16:58:34,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:34" (1/1) ... [2019-11-26 16:58:34,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:34,616 INFO L168 Benchmark]: Toolchain (without parser) took 819.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:34,620 INFO L168 Benchmark]: CDTParser took 0.40 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. [2019-11-26 16:58:34,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.94 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:34,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:34,630 INFO L168 Benchmark]: Boogie Preprocessor took 81.89 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. [2019-11-26 16:58:34,641 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 549.94 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 172.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 81.89 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...