java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:09:27,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:09:27,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:09:27,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:09:27,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:09:27,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:09:27,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:09:27,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:09:27,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:09:27,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:09:27,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:09:27,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:09:27,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:09:27,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:09:27,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:09:27,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:09:27,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:09:27,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:09:27,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:09:27,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:09:27,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:09:27,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:09:27,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:09:27,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:09:27,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:09:27,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:09:27,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:09:27,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:09:27,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:09:27,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:09:27,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:09:27,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:09:27,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:09:27,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:09:27,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:09:27,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:09:27,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:09:27,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:09:27,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:09:27,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:09:27,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:09:27,991 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 [2019-09-08 06:09:28,023 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:09:28,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:09:28,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:09:28,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:09:28,026 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:09:28,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:09:28,027 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:09:28,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:09:28,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:09:28,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:09:28,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:09:28,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:09:28,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:09:28,029 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:09:28,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:09:28,030 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:09:28,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:09:28,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:09:28,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:09:28,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:09:28,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:09:28,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:09:28,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:09:28,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:09:28,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:09:28,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:09:28,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:09:28,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:09:28,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:09:28,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:09:28,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:09:28,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:09:28,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:09:28,096 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:09:28,097 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c [2019-09-08 06:09:28,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9195640ff/74ca556911ab435d93753ae8393b810a/FLAGac65f5105 [2019-09-08 06:09:28,722 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:09:28,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c [2019-09-08 06:09:28,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9195640ff/74ca556911ab435d93753ae8393b810a/FLAGac65f5105 [2019-09-08 06:09:29,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9195640ff/74ca556911ab435d93753ae8393b810a [2019-09-08 06:09:29,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:09:29,018 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:09:29,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:09:29,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:09:29,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:09:29,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:29" (1/1) ... [2019-09-08 06:09:29,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57728f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:29, skipping insertion in model container [2019-09-08 06:09:29,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:29" (1/1) ... [2019-09-08 06:09:29,033 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:09:29,083 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:09:29,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:09:29,581 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:09:29,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:09:29,700 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:09:29,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:29 WrapperNode [2019-09-08 06:09:29,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:09:29,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:09:29,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:09:29,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:09:29,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:29" (1/1) ... [2019-09-08 06:09:29,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:29" (1/1) ... [2019-09-08 06:09:29,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:29" (1/1) ... [2019-09-08 06:09:29,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:29" (1/1) ... [2019-09-08 06:09:29,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:29" (1/1) ... [2019-09-08 06:09:29,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:29" (1/1) ... [2019-09-08 06:09:29,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:29" (1/1) ... [2019-09-08 06:09:29,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:09:29,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:09:29,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:09:29,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:09:29,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:29" (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 [2019-09-08 06:09:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:09:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:09:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:09:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:09:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:09:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:09:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:09:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:09:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:09:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-08 06:09:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:09:29,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:09:29,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:09:29,848 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:09:29,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:09:29,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:09:29,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:09:29,849 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:09:29,849 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:09:29,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:09:29,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:09:29,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:09:29,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:09:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-08 06:09:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-08 06:09:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:09:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:09:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:09:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:09:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:09:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:09:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:09:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:09:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:09:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:09:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:09:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:09:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:09:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:09:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:09:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:09:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:09:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:09:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:09:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:09:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:09:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:09:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:09:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:09:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-08 06:09:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:09:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:09:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:09:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:09:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:09:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:09:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:09:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:09:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:09:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:09:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:09:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:09:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:09:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:09:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:09:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:09:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:09:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-08 06:09:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:09:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:09:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:09:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:09:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:09:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-08 06:09:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:09:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:09:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:09:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:09:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:09:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:09:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:09:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:09:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:09:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:09:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:09:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:09:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:09:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:09:30,963 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:09:30,963 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:09:30,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:30 BoogieIcfgContainer [2019-09-08 06:09:30,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:09:30,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:09:30,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:09:30,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:09:30,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:09:29" (1/3) ... [2019-09-08 06:09:30,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e530b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:30, skipping insertion in model container [2019-09-08 06:09:30,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:29" (2/3) ... [2019-09-08 06:09:30,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e530b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:30, skipping insertion in model container [2019-09-08 06:09:30,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:30" (3/3) ... [2019-09-08 06:09:30,973 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product52.cil.c [2019-09-08 06:09:30,983 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:09:30,991 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:09:31,008 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:09:31,043 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:09:31,043 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:09:31,043 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:09:31,043 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:09:31,044 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:09:31,044 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:09:31,044 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:09:31,044 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:09:31,044 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:09:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2019-09-08 06:09:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:09:31,076 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:31,077 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:31,080 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:31,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:31,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1312501880, now seen corresponding path program 1 times [2019-09-08 06:09:31,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:31,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:31,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:31,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:31,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:31,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:31,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:31,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:09:31,443 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:09:31,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:09:31,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:09:31,460 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 2 states. [2019-09-08 06:09:31,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:31,505 INFO L93 Difference]: Finished difference Result 288 states and 355 transitions. [2019-09-08 06:09:31,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:09:31,507 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:09:31,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:31,521 INFO L225 Difference]: With dead ends: 288 [2019-09-08 06:09:31,521 INFO L226 Difference]: Without dead ends: 144 [2019-09-08 06:09:31,526 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:09:31,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-09-08 06:09:31,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-09-08 06:09:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-09-08 06:09:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2019-09-08 06:09:31,588 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 52 [2019-09-08 06:09:31,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:31,588 INFO L475 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2019-09-08 06:09:31,588 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:09:31,589 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2019-09-08 06:09:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:09:31,593 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:31,594 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:31,594 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:31,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:31,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1642029938, now seen corresponding path program 1 times [2019-09-08 06:09:31,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:31,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:31,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:31,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:31,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:31,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:31,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:09:31,762 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:09:31,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:09:31,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:31,763 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 3 states. [2019-09-08 06:09:31,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:31,812 INFO L93 Difference]: Finished difference Result 227 states and 265 transitions. [2019-09-08 06:09:31,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:09:31,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:09:31,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:31,816 INFO L225 Difference]: With dead ends: 227 [2019-09-08 06:09:31,817 INFO L226 Difference]: Without dead ends: 135 [2019-09-08 06:09:31,821 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:31,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-09-08 06:09:31,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-09-08 06:09:31,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-09-08 06:09:31,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 157 transitions. [2019-09-08 06:09:31,852 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 157 transitions. Word has length 53 [2019-09-08 06:09:31,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:31,852 INFO L475 AbstractCegarLoop]: Abstraction has 135 states and 157 transitions. [2019-09-08 06:09:31,852 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:09:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 157 transitions. [2019-09-08 06:09:31,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 06:09:31,858 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:31,858 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:31,858 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:31,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:31,859 INFO L82 PathProgramCache]: Analyzing trace with hash 493625468, now seen corresponding path program 1 times [2019-09-08 06:09:31,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:31,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:31,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:31,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:31,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:32,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:32,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:32,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:09:32,033 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:09:32,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:09:32,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:09:32,035 INFO L87 Difference]: Start difference. First operand 135 states and 157 transitions. Second operand 7 states. [2019-09-08 06:09:32,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:32,463 INFO L93 Difference]: Finished difference Result 413 states and 498 transitions. [2019-09-08 06:09:32,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:09:32,464 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-08 06:09:32,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:32,468 INFO L225 Difference]: With dead ends: 413 [2019-09-08 06:09:32,469 INFO L226 Difference]: Without dead ends: 302 [2019-09-08 06:09:32,470 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:09:32,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2019-09-08 06:09:32,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 290. [2019-09-08 06:09:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2019-09-08 06:09:32,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 349 transitions. [2019-09-08 06:09:32,558 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 349 transitions. Word has length 58 [2019-09-08 06:09:32,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:32,558 INFO L475 AbstractCegarLoop]: Abstraction has 290 states and 349 transitions. [2019-09-08 06:09:32,558 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:09:32,559 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 349 transitions. [2019-09-08 06:09:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-08 06:09:32,564 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:32,565 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:32,565 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:32,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:32,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1982308337, now seen corresponding path program 1 times [2019-09-08 06:09:32,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:32,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:32,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:32,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:32,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:32,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:32,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:09:32,717 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:09:32,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:09:32,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:09:32,718 INFO L87 Difference]: Start difference. First operand 290 states and 349 transitions. Second operand 6 states. [2019-09-08 06:09:32,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:32,974 INFO L93 Difference]: Finished difference Result 795 states and 1003 transitions. [2019-09-08 06:09:32,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:09:32,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-09-08 06:09:32,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:32,981 INFO L225 Difference]: With dead ends: 795 [2019-09-08 06:09:32,982 INFO L226 Difference]: Without dead ends: 529 [2019-09-08 06:09:32,984 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:09:32,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-09-08 06:09:33,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2019-09-08 06:09:33,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2019-09-08 06:09:33,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 638 transitions. [2019-09-08 06:09:33,054 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 638 transitions. Word has length 63 [2019-09-08 06:09:33,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:33,055 INFO L475 AbstractCegarLoop]: Abstraction has 523 states and 638 transitions. [2019-09-08 06:09:33,055 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:09:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 638 transitions. [2019-09-08 06:09:33,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 06:09:33,064 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:33,065 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:33,065 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:33,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:33,074 INFO L82 PathProgramCache]: Analyzing trace with hash -427232299, now seen corresponding path program 1 times [2019-09-08 06:09:33,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:33,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:33,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:33,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:33,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:33,615 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:09:33,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:09:33 BoogieIcfgContainer [2019-09-08 06:09:33,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:09:33,836 INFO L168 Benchmark]: Toolchain (without parser) took 4816.92 ms. Allocated memory was 134.7 MB in the beginning and 259.0 MB in the end (delta: 124.3 MB). Free memory was 90.5 MB in the beginning and 211.2 MB in the end (delta: -120.8 MB). Peak memory consumption was 134.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:33,837 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-08 06:09:33,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.63 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 90.3 MB in the beginning and 166.3 MB in the end (delta: -76.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:33,842 INFO L168 Benchmark]: Boogie Preprocessor took 86.10 ms. Allocated memory is still 201.3 MB. Free memory was 166.3 MB in the beginning and 161.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:33,844 INFO L168 Benchmark]: RCFGBuilder took 1177.16 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 161.9 MB in the beginning and 193.8 MB in the end (delta: -31.8 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:33,845 INFO L168 Benchmark]: TraceAbstraction took 2866.64 ms. Allocated memory was 228.6 MB in the beginning and 259.0 MB in the end (delta: 30.4 MB). Free memory was 192.4 MB in the beginning and 211.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 143.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:33,857 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.63 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 90.3 MB in the beginning and 166.3 MB in the end (delta: -76.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.10 ms. Allocated memory is still 201.3 MB. Free memory was 166.3 MB in the beginning and 161.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1177.16 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 161.9 MB in the beginning and 193.8 MB in the end (delta: -31.8 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2866.64 ms. Allocated memory was 228.6 MB in the beginning and 259.0 MB in the end (delta: 30.4 MB). Free memory was 192.4 MB in the beginning and 211.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 143.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 853]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L559] int pumpRunning = 0; [L560] int systemActive = 1; [L896] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] int retValue_acc ; [L970] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L974] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L976] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L976] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L976] tmp = valid_product() [L978] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L980] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L981] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L963] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L781] int splverifierCounter ; [L782] int tmp ; [L783] int tmp___0 ; [L784] int tmp___1 ; [L785] int tmp___2 ; [L788] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L790] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L792] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L798] tmp = __VERIFIER_nondet_int() [L800] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L802] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] COND TRUE waterLevel < 2 [L103] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L802] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L808] tmp___0 = __VERIFIER_nondet_int() [L810] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L818] tmp___2 = __VERIFIER_nondet_int() [L820] COND FALSE !(\read(tmp___2)) [L826] tmp___1 = __VERIFIER_nondet_int() [L828] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L830] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L759] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L830] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L837] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L566] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L573] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L581] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] int retValue_acc ; [L676] retValue_acc = pumpRunning [L677] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L853] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. UNSAFE Result, 2.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 721 SDtfs, 377 SDslu, 1413 SDs, 0 SdLazy, 325 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=523occurred in iteration=4, 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 21060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...