./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cbmc-regression/float14_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/floats-cbmc-regression/float14_true-unreach-call.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 fc29bd9cd4b6bebb444bcb0c8a01e26fdfb66041 ......................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: 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 /storage/repos/svcomp/c/floats-cbmc-regression/float14_true-unreach-call.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 fc29bd9cd4b6bebb444bcb0c8a01e26fdfb66041 ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 02:41:15,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:41:15,707 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:41:15,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:41:15,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:41:15,728 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:41:15,729 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:41:15,733 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:41:15,735 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:41:15,737 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:41:15,739 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:41:15,740 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:41:15,741 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:41:15,742 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:41:15,745 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:41:15,746 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:41:15,747 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:41:15,752 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:41:15,762 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:41:15,764 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:41:15,765 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:41:15,766 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:41:15,768 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:41:15,768 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:41:15,768 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:41:15,769 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:41:15,770 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:41:15,771 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:41:15,772 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:41:15,773 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:41:15,773 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:41:15,774 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:41:15,774 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:41:15,774 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:41:15,775 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:41:15,776 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:41:15,776 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 02:41:15,791 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:41:15,791 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:41:15,793 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:41:15,793 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:41:15,793 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:41:15,793 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:41:15,793 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:41:15,794 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 02:41:15,794 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:41:15,794 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:41:15,794 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:41:15,794 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:41:15,794 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:41:15,795 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:41:15,795 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:41:15,795 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:41:15,795 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:41:15,795 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:41:15,795 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:41:15,796 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:41:15,796 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:41:15,796 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:41:15,796 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:41:15,796 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:41:15,796 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:41:15,797 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 02:41:15,797 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:41:15,797 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 02:41:15,797 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> fc29bd9cd4b6bebb444bcb0c8a01e26fdfb66041 [2018-12-31 02:41:15,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:41:15,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:41:15,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:41:15,851 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:41:15,851 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:41:15,852 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float14_true-unreach-call.i [2018-12-31 02:41:15,917 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb73f6b6/21845241f0ac48b3a4dad15f6c3eb550/FLAGde869be28 [2018-12-31 02:41:16,534 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:41:16,535 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float14_true-unreach-call.i [2018-12-31 02:41:16,550 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb73f6b6/21845241f0ac48b3a4dad15f6c3eb550/FLAGde869be28 [2018-12-31 02:41:16,775 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb73f6b6/21845241f0ac48b3a4dad15f6c3eb550 [2018-12-31 02:41:16,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:41:16,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:41:16,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:41:16,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:41:16,792 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:41:16,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:41:16" (1/1) ... [2018-12-31 02:41:16,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4c37e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:16, skipping insertion in model container [2018-12-31 02:41:16,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:41:16" (1/1) ... [2018-12-31 02:41:16,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:41:16,855 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:41:17,435 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1678) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:999) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:964) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3447) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-31 02:41:17,440 INFO L168 Benchmark]: Toolchain (without parser) took 658.29 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:17,443 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:17,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.73 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:17,447 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 654.73 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 02:41:19,705 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:41:19,707 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:41:19,721 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:41:19,722 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:41:19,723 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:41:19,725 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:41:19,727 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:41:19,729 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:41:19,731 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:41:19,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:41:19,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:41:19,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:41:19,734 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:41:19,737 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:41:19,738 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:41:19,739 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:41:19,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:41:19,749 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:41:19,751 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:41:19,753 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:41:19,760 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:41:19,767 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:41:19,768 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:41:19,768 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:41:19,769 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:41:19,773 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:41:19,774 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:41:19,775 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:41:19,777 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:41:19,779 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:41:19,780 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:41:19,780 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:41:19,780 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:41:19,781 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:41:19,784 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:41:19,784 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 02:41:19,818 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:41:19,818 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:41:19,821 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:41:19,821 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:41:19,821 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:41:19,821 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:41:19,821 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:41:19,823 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:41:19,823 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:41:19,823 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:41:19,823 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:41:19,824 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:41:19,824 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 02:41:19,824 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 02:41:19,824 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:41:19,824 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:41:19,825 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:41:19,825 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:41:19,825 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:41:19,825 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:41:19,826 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:41:19,826 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:41:19,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:41:19,826 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:41:19,826 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:41:19,827 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:41:19,828 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 02:41:19,829 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:41:19,829 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 02:41:19,829 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 02:41:19,829 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> fc29bd9cd4b6bebb444bcb0c8a01e26fdfb66041 [2018-12-31 02:41:19,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:41:19,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:41:19,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:41:19,934 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:41:19,934 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:41:19,935 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float14_true-unreach-call.i [2018-12-31 02:41:19,995 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c262eb2/5adce99196c14f7da5b6c83d51c71369/FLAG9916cc2cb [2018-12-31 02:41:20,590 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:41:20,591 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float14_true-unreach-call.i [2018-12-31 02:41:20,611 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c262eb2/5adce99196c14f7da5b6c83d51c71369/FLAG9916cc2cb [2018-12-31 02:41:20,781 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c262eb2/5adce99196c14f7da5b6c83d51c71369 [2018-12-31 02:41:20,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:41:20,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:41:20,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:41:20,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:41:20,791 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:41:20,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:41:20" (1/1) ... [2018-12-31 02:41:20,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dabb5df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:20, skipping insertion in model container [2018-12-31 02:41:20,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:41:20" (1/1) ... [2018-12-31 02:41:20,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:41:20,869 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:41:21,411 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:41:21,422 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:41:21,465 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:41:21,856 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:41:21,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21 WrapperNode [2018-12-31 02:41:21,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:41:21,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:41:21,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:41:21,858 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:41:21,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21" (1/1) ... [2018-12-31 02:41:21,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21" (1/1) ... [2018-12-31 02:41:22,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:41:22,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:41:22,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:41:22,022 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:41:22,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21" (1/1) ... [2018-12-31 02:41:22,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21" (1/1) ... [2018-12-31 02:41:22,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21" (1/1) ... [2018-12-31 02:41:22,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21" (1/1) ... [2018-12-31 02:41:22,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21" (1/1) ... [2018-12-31 02:41:22,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21" (1/1) ... [2018-12-31 02:41:22,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21" (1/1) ... [2018-12-31 02:41:22,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:41:22,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:41:22,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:41:22,047 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:41:22,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:41:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:41:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:41:22,295 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:41:22,295 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-31 02:41:22,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:41:22 BoogieIcfgContainer [2018-12-31 02:41:22,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:41:22,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:41:22,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:41:22,301 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:41:22,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:41:20" (1/3) ... [2018-12-31 02:41:22,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bd32d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:41:22, skipping insertion in model container [2018-12-31 02:41:22,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:41:21" (2/3) ... [2018-12-31 02:41:22,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bd32d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:41:22, skipping insertion in model container [2018-12-31 02:41:22,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:41:22" (3/3) ... [2018-12-31 02:41:22,306 INFO L112 eAbstractionObserver]: Analyzing ICFG float14_true-unreach-call.i [2018-12-31 02:41:22,318 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:41:22,328 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-31 02:41:22,347 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-31 02:41:22,378 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:41:22,379 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:41:22,379 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:41:22,379 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:41:22,379 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:41:22,379 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:41:22,380 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:41:22,380 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:41:22,381 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:41:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-12-31 02:41:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-31 02:41:22,401 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:41:22,402 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-31 02:41:22,405 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:41:22,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:41:22,412 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2018-12-31 02:41:22,416 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 02:41:22,417 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 02:41:22,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:41:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 02:41:22,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 02:41:22,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 02:41:22,537 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 02:41:22,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 02:41:22,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 02:41:22,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 02:41:22,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 02:41:22,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 02:41:22,574 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2018-12-31 02:41:22,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 02:41:22,651 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2018-12-31 02:41:22,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 02:41:22,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-12-31 02:41:22,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 02:41:22,670 INFO L225 Difference]: With dead ends: 16 [2018-12-31 02:41:22,670 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 02:41:22,675 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 02:41:22,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 02:41:22,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 02:41:22,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 02:41:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 02:41:22,713 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2018-12-31 02:41:22,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 02:41:22,714 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 02:41:22,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 02:41:22,715 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 02:41:22,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 02:41:22,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 02:41:22,726 INFO L448 ceAbstractionStarter]: For program point L962-1(line 962) no Hoare annotation was computed. [2018-12-31 02:41:22,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 02:41:22,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 02:41:22,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 02:41:22,727 INFO L448 ceAbstractionStarter]: For program point L955(line 955) no Hoare annotation was computed. [2018-12-31 02:41:22,727 INFO L448 ceAbstractionStarter]: For program point L955-1(line 955) no Hoare annotation was computed. [2018-12-31 02:41:22,727 INFO L448 ceAbstractionStarter]: For program point L955-3(line 955) no Hoare annotation was computed. [2018-12-31 02:41:22,728 INFO L448 ceAbstractionStarter]: For program point L950(lines 950 963) no Hoare annotation was computed. [2018-12-31 02:41:22,728 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2018-12-31 02:41:22,728 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2018-12-31 02:41:22,728 INFO L448 ceAbstractionStarter]: For program point L962(line 962) no Hoare annotation was computed. [2018-12-31 02:41:22,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:41:22 BoogieIcfgContainer [2018-12-31 02:41:22,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:41:22,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:41:22,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:41:22,734 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:41:22,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:41:22" (3/4) ... [2018-12-31 02:41:22,740 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 02:41:22,760 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-31 02:41:22,763 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 02:41:22,822 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 02:41:22,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:41:22,823 INFO L168 Benchmark]: Toolchain (without parser) took 2038.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:22,825 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:22,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1070.54 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 829.2 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:22,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 829.2 MB in the beginning and 1.1 GB in the end (delta: -296.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:22,828 INFO L168 Benchmark]: Boogie Preprocessor took 24.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:22,828 INFO L168 Benchmark]: RCFGBuilder took 249.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:22,829 INFO L168 Benchmark]: TraceAbstraction took 435.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-12-31 02:41:22,830 INFO L168 Benchmark]: Witness Printer took 89.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:41:22,835 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1070.54 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 829.2 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 163.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 829.2 MB in the beginning and 1.1 GB in the end (delta: -296.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 249.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 435.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 89.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 955]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 962]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 2 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 5 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 1 NumberOfNonLiveVariables, 5 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...