java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:43:19,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:43:19,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:43:19,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:43:19,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:43:19,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:43:19,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:43:19,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:43:19,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:43:19,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:43:19,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:43:19,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:43:19,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:43:19,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:43:19,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:43:19,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:43:19,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:43:19,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:43:19,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:43:19,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:43:19,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:43:19,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:43:19,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:43:19,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:43:19,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:43:19,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:43:19,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:43:19,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:43:19,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:43:19,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:43:19,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:43:19,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:43:19,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:43:19,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:43:19,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:43:19,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:43:19,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:43:19,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:43:19,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:43:19,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:43:19,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:43:19,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 15:43:19,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:43:19,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:43:19,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:43:19,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:43:19,915 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:43:19,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:43:19,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:43:19,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:43:19,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:43:19,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:43:19,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:43:19,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:43:19,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:43:19,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:43:19,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:43:19,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:43:19,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:43:19,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:43:19,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:43:19,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:43:19,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:43:19,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:43:19,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:43:19,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:43:19,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:43:19,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:43:19,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:43:19,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:43:19,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:43:19,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:43:19,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:43:19,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:43:19,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:43:19,968 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:43:19,969 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2019-09-25 15:43:20,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fcd10e2c/37b304ab465c436e944e6cb21c7e48c8/FLAG7d26c4446 [2019-09-25 15:43:20,507 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:43:20,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2019-09-25 15:43:20,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fcd10e2c/37b304ab465c436e944e6cb21c7e48c8/FLAG7d26c4446 [2019-09-25 15:43:20,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fcd10e2c/37b304ab465c436e944e6cb21c7e48c8 [2019-09-25 15:43:20,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:43:20,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:43:20,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:43:20,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:43:20,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:43:20,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:43:20" (1/1) ... [2019-09-25 15:43:20,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2602384c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:20, skipping insertion in model container [2019-09-25 15:43:20,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:43:20" (1/1) ... [2019-09-25 15:43:20,874 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:43:20,940 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:43:21,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:43:21,455 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:43:21,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:43:21,598 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:43:21,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:21 WrapperNode [2019-09-25 15:43:21,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:43:21,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:43:21,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:43:21,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:43:21,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:21" (1/1) ... [2019-09-25 15:43:21,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:21" (1/1) ... [2019-09-25 15:43:21,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:21" (1/1) ... [2019-09-25 15:43:21,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:21" (1/1) ... [2019-09-25 15:43:21,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:21" (1/1) ... [2019-09-25 15:43:21,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:21" (1/1) ... [2019-09-25 15:43:21,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:21" (1/1) ... [2019-09-25 15:43:21,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:43:21,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:43:21,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:43:21,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:43:21,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:21" (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 [2019-09-25 15:43:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:43:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:43:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 15:43:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 15:43:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 15:43:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 15:43:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 15:43:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 15:43:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 15:43:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 15:43:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 15:43:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 15:43:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 15:43:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 15:43:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 15:43:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 15:43:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 15:43:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 15:43:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 15:43:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 15:43:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 15:43:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:43:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 15:43:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 15:43:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 15:43:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 15:43:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 15:43:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 15:43:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 15:43:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 15:43:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 15:43:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 15:43:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 15:43:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 15:43:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 15:43:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 15:43:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 15:43:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 15:43:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 15:43:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:43:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:43:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 15:43:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 15:43:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 15:43:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:43:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:43:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 15:43:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:43:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:43:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:43:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:43:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 15:43:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:43:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 15:43:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 15:43:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:43:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 15:43:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 15:43:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:43:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 15:43:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 15:43:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 15:43:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 15:43:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 15:43:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 15:43:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 15:43:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 15:43:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 15:43:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 15:43:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 15:43:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 15:43:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 15:43:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 15:43:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 15:43:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 15:43:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 15:43:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 15:43:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 15:43:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:43:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 15:43:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 15:43:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 15:43:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 15:43:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 15:43:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 15:43:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 15:43:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 15:43:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 15:43:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 15:43:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:43:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:43:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:43:23,315 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:43:23,315 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:43:23,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:43:23 BoogieIcfgContainer [2019-09-25 15:43:23,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:43:23,317 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:43:23,317 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:43:23,318 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:43:23,319 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:43:23" (1/1) ... [2019-09-25 15:43:23,319 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:43:23,342 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:43:23,343 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:43:23,351 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:43:23,360 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:43:23,362 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:43:33,193 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 15:43:34,907 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 15:43:35,057 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:43:35,198 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:43:35,319 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:43:35,345 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 15:43:35,404 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 15:43:35,422 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 15:43:36,030 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:43:36,457 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:43:36,902 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-25 15:43:37,023 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-25 15:43:37,610 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 15:43:38,113 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 15:43:38,492 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-25 15:43:38,610 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-25 15:43:38,924 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 15:43:39,170 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 15:43:39,353 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 15:43:39,355 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 15:43:39,417 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 66 for LOIs [2019-09-25 15:43:39,425 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 15:43:39,435 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:43:39,436 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:43:39,438 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 426#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string57.offset| 0) (= |#t~string27.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)) [2019-09-25 15:43:39,452 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:43:39,453 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:43:39,456 INFO L168 Benchmark]: Toolchain (without parser) took 18597.44 ms. Allocated memory was 140.5 MB in the beginning and 459.3 MB in the end (delta: 318.8 MB). Free memory was 86.9 MB in the beginning and 338.6 MB in the end (delta: -251.6 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:39,465 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 15:43:39,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.94 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 86.9 MB in the beginning and 164.6 MB in the end (delta: -77.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:39,470 INFO L168 Benchmark]: Boogie Preprocessor took 85.07 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 160.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:39,472 INFO L168 Benchmark]: RCFGBuilder took 1631.99 ms. Allocated memory was 199.2 MB in the beginning and 224.9 MB in the end (delta: 25.7 MB). Free memory was 160.2 MB in the beginning and 144.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:39,474 INFO L168 Benchmark]: Sifa took 16135.93 ms. Allocated memory was 224.9 MB in the beginning and 459.3 MB in the end (delta: 234.4 MB). Free memory was 144.2 MB in the beginning and 338.6 MB in the end (delta: -194.4 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:39,481 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.94 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 86.9 MB in the beginning and 164.6 MB in the end (delta: -77.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.07 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 160.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1631.99 ms. Allocated memory was 199.2 MB in the beginning and 224.9 MB in the end (delta: 25.7 MB). Free memory was 160.2 MB in the beginning and 144.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * Sifa took 16135.93 ms. Allocated memory was 224.9 MB in the beginning and 459.3 MB in the end (delta: 234.4 MB). Free memory was 144.2 MB in the beginning and 338.6 MB in the end (delta: -194.4 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 16096, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 186, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 126, TOOLS_POST_TIME[ms]: 11664, TOOLS_POST_CALL_APPLICATIONS: 53, TOOLS_POST_CALL_TIME[ms]: 173, TOOLS_POST_RETURN_APPLICATIONS: 46, TOOLS_POST_RETURN_TIME[ms]: 91, TOOLS_QUANTIFIERELIM_APPLICATIONS: 224, TOOLS_QUANTIFIERELIM_TIME[ms]: 11825, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11601, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 188, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 61, DOMAIN_JOIN_TIME[ms]: 3634, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 232, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 145, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2913, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2912, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 46, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12011, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12010, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 329, DAG_COMPRESSION_RETAINED_NODES: 186 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 426#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string57.offset| 0) (= |#t~string27.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...