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_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:09:17,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:09:17,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:09:17,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:09:17,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:09:17,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:09:17,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:09:17,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:09:17,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:09:17,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:09:17,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:09:17,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:09:17,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:09:17,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:09:17,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:09:17,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:09:17,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:09:17,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:09:17,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:09:17,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:09:17,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:09:17,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:09:17,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:09:17,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:09:17,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:09:17,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:09:17,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:09:17,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:09:17,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:09:17,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:09:17,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:09:17,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:09:17,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:09:17,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:09:17,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:09:17,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:09:17,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:09:17,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:09:17,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:09:17,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:09:17,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:09:17,883 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 06:09:17,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:09:17,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:09:17,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:09:17,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:09:17,899 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:09:17,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:09:17,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:09:17,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:09:17,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:09:17,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:09:17,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:09:17,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:09:17,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:09:17,903 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:09:17,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:09:17,903 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:09:17,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:09:17,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:09:17,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:09:17,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:09:17,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:09:17,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:09:17,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:09:17,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:09:17,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:09:17,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:09:17,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:09:17,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:09:17,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:09:17,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:09:17,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:09:17,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:09:17,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:09:17,978 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:09:17,979 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product44.cil.c [2019-09-08 06:09:18,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5932f336/1a6322fa47ae4575a169c74b7f29de4e/FLAGc4de373e6 [2019-09-08 06:09:18,569 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:09:18,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product44.cil.c [2019-09-08 06:09:18,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5932f336/1a6322fa47ae4575a169c74b7f29de4e/FLAGc4de373e6 [2019-09-08 06:09:18,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5932f336/1a6322fa47ae4575a169c74b7f29de4e [2019-09-08 06:09:18,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:09:18,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:09:18,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:09:18,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:09:18,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:09:18,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:18" (1/1) ... [2019-09-08 06:09:18,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462a9991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:18, skipping insertion in model container [2019-09-08 06:09:18,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:18" (1/1) ... [2019-09-08 06:09:18,887 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:09:18,946 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:09:19,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:09:19,405 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:09:19,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:09:19,552 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:09:19,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19 WrapperNode [2019-09-08 06:09:19,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:09:19,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:09:19,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:09:19,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:09:19,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2019-09-08 06:09:19,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2019-09-08 06:09:19,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2019-09-08 06:09:19,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2019-09-08 06:09:19,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2019-09-08 06:09:19,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2019-09-08 06:09:19,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2019-09-08 06:09:19,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:09:19,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:09:19,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:09:19,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:09:19,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (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 06:09:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:09:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:09:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:09:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:09:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:09:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:09:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:09:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:09:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:09:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:09:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:09:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:09:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:09:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:09:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:09:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:09:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:09:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:09:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:09:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:09:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:09:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:09:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:09:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:09:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:09:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-08 06:09:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:09:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:09:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:09:19,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:09:19,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:09:19,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:09:19,753 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-08 06:09:19,753 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:09:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:09:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:09:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:09:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:09:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:09:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:09:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:09:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:09:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:09:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:09:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:09:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:09:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:09:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:09:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:09:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:09:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:09:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:09:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:09:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:09:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:09:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:09:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:09:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:09:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:09:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:09:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:09:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:09:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:09:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:09:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:09:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:09:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:09:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:09:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:09:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:09:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:09:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:09:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:09:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:09:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-08 06:09:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:09:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:09:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:09:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:09:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-08 06:09:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:09:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:09:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:09:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:09:21,017 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:09:21,017 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:09:21,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:21 BoogieIcfgContainer [2019-09-08 06:09:21,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:09:21,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:09:21,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:09:21,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:09:21,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:09:18" (1/3) ... [2019-09-08 06:09:21,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f68b77b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:21, skipping insertion in model container [2019-09-08 06:09:21,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (2/3) ... [2019-09-08 06:09:21,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f68b77b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:21, skipping insertion in model container [2019-09-08 06:09:21,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:21" (3/3) ... [2019-09-08 06:09:21,028 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product44.cil.c [2019-09-08 06:09:21,038 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:09:21,046 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:09:21,063 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:09:21,096 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:09:21,096 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:09:21,097 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:09:21,097 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:09:21,097 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:09:21,097 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:09:21,098 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:09:21,098 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:09:21,098 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:09:21,119 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2019-09-08 06:09:21,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:09:21,129 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:21,130 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 06:09:21,133 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:21,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:21,139 INFO L82 PathProgramCache]: Analyzing trace with hash -374908160, now seen corresponding path program 1 times [2019-09-08 06:09:21,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:21,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:21,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:21,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:21,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:21,505 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 06:09:21,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:21,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:09:21,515 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:09:21,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:09:21,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:09:21,537 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2019-09-08 06:09:21,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:21,622 INFO L93 Difference]: Finished difference Result 272 states and 333 transitions. [2019-09-08 06:09:21,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:09:21,624 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:09:21,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:21,656 INFO L225 Difference]: With dead ends: 272 [2019-09-08 06:09:21,656 INFO L226 Difference]: Without dead ends: 136 [2019-09-08 06:09:21,664 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 06:09:21,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-09-08 06:09:21,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-09-08 06:09:21,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-09-08 06:09:21,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2019-09-08 06:09:21,734 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 52 [2019-09-08 06:09:21,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:21,734 INFO L475 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2019-09-08 06:09:21,735 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:09:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2019-09-08 06:09:21,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:09:21,738 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:21,739 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 06:09:21,739 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:21,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:21,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1199290513, now seen corresponding path program 1 times [2019-09-08 06:09:21,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:21,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:21,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:21,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:21,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:21,902 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 06:09:21,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:21,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:09:21,906 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:09:21,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:09:21,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:21,907 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 3 states. [2019-09-08 06:09:21,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:21,948 INFO L93 Difference]: Finished difference Result 208 states and 241 transitions. [2019-09-08 06:09:21,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:09:21,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:09:21,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:21,953 INFO L225 Difference]: With dead ends: 208 [2019-09-08 06:09:21,953 INFO L226 Difference]: Without dead ends: 127 [2019-09-08 06:09:21,955 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 06:09:21,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-09-08 06:09:21,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-09-08 06:09:21,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-09-08 06:09:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2019-09-08 06:09:21,977 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 53 [2019-09-08 06:09:21,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:21,977 INFO L475 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2019-09-08 06:09:21,977 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:09:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2019-09-08 06:09:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 06:09:21,980 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:21,980 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 06:09:21,981 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:21,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:21,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1173909231, now seen corresponding path program 1 times [2019-09-08 06:09:21,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:21,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:21,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:21,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:21,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:22,147 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 06:09:22,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:22,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:09:22,149 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:09:22,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:09:22,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:09:22,150 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 7 states. [2019-09-08 06:09:22,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:22,629 INFO L93 Difference]: Finished difference Result 389 states and 465 transitions. [2019-09-08 06:09:22,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:09:22,629 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-08 06:09:22,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:22,633 INFO L225 Difference]: With dead ends: 389 [2019-09-08 06:09:22,634 INFO L226 Difference]: Without dead ends: 286 [2019-09-08 06:09:22,635 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 06:09:22,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-09-08 06:09:22,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 262. [2019-09-08 06:09:22,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2019-09-08 06:09:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 311 transitions. [2019-09-08 06:09:22,695 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 311 transitions. Word has length 58 [2019-09-08 06:09:22,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:22,695 INFO L475 AbstractCegarLoop]: Abstraction has 262 states and 311 transitions. [2019-09-08 06:09:22,695 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:09:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 311 transitions. [2019-09-08 06:09:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-08 06:09:22,699 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:22,699 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 06:09:22,699 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:22,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:22,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1403187774, now seen corresponding path program 1 times [2019-09-08 06:09:22,700 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:22,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:22,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:22,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:22,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:22,848 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 06:09:22,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:22,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:09:22,849 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:09:22,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:09:22,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:09:22,850 INFO L87 Difference]: Start difference. First operand 262 states and 311 transitions. Second operand 6 states. [2019-09-08 06:09:23,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:23,122 INFO L93 Difference]: Finished difference Result 711 states and 885 transitions. [2019-09-08 06:09:23,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:09:23,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-09-08 06:09:23,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:23,129 INFO L225 Difference]: With dead ends: 711 [2019-09-08 06:09:23,129 INFO L226 Difference]: Without dead ends: 473 [2019-09-08 06:09:23,137 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 06:09:23,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2019-09-08 06:09:23,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 467. [2019-09-08 06:09:23,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-09-08 06:09:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 562 transitions. [2019-09-08 06:09:23,200 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 562 transitions. Word has length 63 [2019-09-08 06:09:23,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:23,202 INFO L475 AbstractCegarLoop]: Abstraction has 467 states and 562 transitions. [2019-09-08 06:09:23,202 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:09:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 562 transitions. [2019-09-08 06:09:23,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 06:09:23,209 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:23,210 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 06:09:23,210 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:23,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:23,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1134068548, now seen corresponding path program 1 times [2019-09-08 06:09:23,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:23,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:23,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:23,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:23,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:24,244 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:09:24,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:09:24 BoogieIcfgContainer [2019-09-08 06:09:24,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:09:24,422 INFO L168 Benchmark]: Toolchain (without parser) took 5550.95 ms. Allocated memory was 133.2 MB in the beginning and 262.1 MB in the end (delta: 129.0 MB). Free memory was 88.3 MB in the beginning and 201.9 MB in the end (delta: -113.6 MB). Peak memory consumption was 141.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:24,423 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:09:24,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.82 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 164.4 MB in the end (delta: -76.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:24,425 INFO L168 Benchmark]: Boogie Preprocessor took 109.10 ms. Allocated memory is still 199.8 MB. Free memory was 164.4 MB in the beginning and 160.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:24,426 INFO L168 Benchmark]: RCFGBuilder took 1355.92 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 159.9 MB in the beginning and 193.0 MB in the end (delta: -33.1 MB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:24,427 INFO L168 Benchmark]: TraceAbstraction took 3399.66 ms. Allocated memory was 224.9 MB in the beginning and 262.1 MB in the end (delta: 37.2 MB). Free memory was 193.0 MB in the beginning and 201.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 154.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:24,431 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.82 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 164.4 MB in the end (delta: -76.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.10 ms. Allocated memory is still 199.8 MB. Free memory was 164.4 MB in the beginning and 160.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1355.92 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 159.9 MB in the beginning and 193.0 MB in the end (delta: -33.1 MB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3399.66 ms. Allocated memory was 224.9 MB in the beginning and 262.1 MB in the end (delta: 37.2 MB). Free memory was 193.0 MB in the beginning and 201.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 154.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 318]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L185] int waterLevel = 1; [L186] int methaneLevelCritical = 0; [L492] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L693] int pumpRunning = 0; [L694] int systemActive = 1; [L121] int retValue_acc ; [L122] 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] [L126] 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] [L127] 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] [L128] 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] [L305] int retValue_acc ; [L308] retValue_acc = 1 [L309] 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] [L128] 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] [L128] tmp = valid_product() [L130] 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] [L132] 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] [L133] 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] [L112] 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] [L887] int splverifierCounter ; [L888] int tmp ; [L889] int tmp___0 ; [L890] int tmp___1 ; [L891] int tmp___2 ; [L894] 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] [L896] 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] [L898] 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] [L904] tmp = __VERIFIER_nondet_int() [L906] 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=7, waterLevel=1] [L908] 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] [L203] COND TRUE waterLevel < 2 [L204] 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] [L908] 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=7, waterLevel=2] [L914] tmp___0 = __VERIFIER_nondet_int() [L916] 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=7, tmp___0=0, waterLevel=2] [L924] tmp___2 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___2)) [L932] tmp___1 = __VERIFIER_nondet_int() [L934] 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=7, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L936] 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] [L866] 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] [L873] 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] [L936] 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=7, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L943] 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] [L700] 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] [L707] 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] [L715] 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] [L149] int tmp ; [L150] int tmp___0 ; [L151] 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] [L155] 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] [L224] int retValue_acc ; [L227] retValue_acc = methaneLevelCritical [L228] 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] [L155] 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] [L155] tmp = isMethaneLevelCritical() [L157] 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] [L161] 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] [L256] int retValue_acc ; [L259] retValue_acc = waterLevel [L260] 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] [L161] 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] [L161] tmp___0 = getWaterLevel() [L163] 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] [L165] 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] [L799] int retValue_acc ; [L802] retValue_acc = pumpRunning [L803] 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] [L165] 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] [L165] tmp___1 = isPumpRunning() [L167] 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] [L171] 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] [L318] __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 40 procedures, 235 locations, 1 error locations. UNSAFE Result, 3.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 674 SDtfs, 344 SDslu, 1328 SDs, 0 SdLazy, 300 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=467occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s 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...