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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:08:52,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:08:52,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:08:52,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:08:52,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:08:52,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:08:52,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:08:52,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:08:52,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:08:52,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:08:52,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:08:52,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:08:52,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:08:52,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:08:52,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:08:52,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:08:52,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:08:52,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:08:52,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:08:52,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:08:52,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:08:52,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:08:52,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:08:52,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:08:52,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:08:52,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:08:52,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:08:52,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:08:52,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:08:52,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:08:52,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:08:52,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:08:52,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:08:52,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:08:52,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:08:52,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:08:52,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:08:52,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:08:52,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:08:52,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:08:52,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:08:52,791 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 06:08:52,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:08:52,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:08:52,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:08:52,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:08:52,809 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:08:52,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:08:52,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:08:52,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:08:52,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:08:52,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:08:52,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:08:52,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:08:52,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:08:52,812 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:08:52,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:08:52,812 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:08:52,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:08:52,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:08:52,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:08:52,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:08:52,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:08:52,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:08:52,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:08:52,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:08:52,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:08:52,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:08:52,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:08:52,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:08:52,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:08:52,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:08:52,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:08:52,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:08:52,868 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:08:52,869 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:08:52,870 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c [2019-09-08 06:08:52,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/801fbff91/49131e797c324965873c9da5c28732d8/FLAGdff8b7237 [2019-09-08 06:08:53,525 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:08:53,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c [2019-09-08 06:08:53,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/801fbff91/49131e797c324965873c9da5c28732d8/FLAGdff8b7237 [2019-09-08 06:08:53,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/801fbff91/49131e797c324965873c9da5c28732d8 [2019-09-08 06:08:53,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:08:53,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:08:53,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:53,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:08:53,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:08:53,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:53" (1/1) ... [2019-09-08 06:08:53,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e27eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53, skipping insertion in model container [2019-09-08 06:08:53,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:53" (1/1) ... [2019-09-08 06:08:53,845 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:08:53,891 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:08:54,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:54,336 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:08:54,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:54,504 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:08:54,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:54 WrapperNode [2019-09-08 06:08:54,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:54,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:08:54,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:08:54,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:08:54,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:54" (1/1) ... [2019-09-08 06:08:54,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:54" (1/1) ... [2019-09-08 06:08:54,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:54" (1/1) ... [2019-09-08 06:08:54,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:54" (1/1) ... [2019-09-08 06:08:54,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:54" (1/1) ... [2019-09-08 06:08:54,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:54" (1/1) ... [2019-09-08 06:08:54,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:54" (1/1) ... [2019-09-08 06:08:54,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:08:54,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:08:54,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:08:54,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:08:54,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:54" (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 06:08:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:08:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:08:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:08:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:08:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:08:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:08:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:08:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:08:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-08 06:08:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:08:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-08 06:08:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:08:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:08:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:08:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:08:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:08:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:08:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:08:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:08:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:08:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:08:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:08:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:08:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:08:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:08:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:08:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:08:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:08:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:08:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:08:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:08:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:08:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:08:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:08:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:08:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:08:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:08:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:08:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:08:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:08:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:08:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:08:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:08:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:08:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:08:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:08:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:08:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:08:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:08:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:08:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:08:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-08 06:08:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:08:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-08 06:08:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:08:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:08:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:08:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:08:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:08:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:08:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:08:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:08:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:08:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:08:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:08:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:08:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:08:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:08:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:08:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:08:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:08:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:08:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:08:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:08:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:08:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:08:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:08:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:08:55,835 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:08:55,836 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:08:55,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:55 BoogieIcfgContainer [2019-09-08 06:08:55,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:08:55,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:08:55,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:08:55,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:08:55,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:08:53" (1/3) ... [2019-09-08 06:08:55,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa9f740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:55, skipping insertion in model container [2019-09-08 06:08:55,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:54" (2/3) ... [2019-09-08 06:08:55,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa9f740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:55, skipping insertion in model container [2019-09-08 06:08:55,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:55" (3/3) ... [2019-09-08 06:08:55,849 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product14.cil.c [2019-09-08 06:08:55,860 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:08:55,873 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:08:55,891 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:08:55,920 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:08:55,920 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:08:55,921 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:08:55,921 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:08:55,921 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:08:55,921 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:08:55,921 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:08:55,922 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:08:55,922 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:08:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2019-09-08 06:08:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:08:55,986 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:55,988 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 06:08:55,992 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:55,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:56,000 INFO L82 PathProgramCache]: Analyzing trace with hash 940922037, now seen corresponding path program 1 times [2019-09-08 06:08:56,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:56,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:56,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:56,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:56,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:56,410 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 06:08:56,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:56,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:08:56,418 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:08:56,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:08:56,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:56,436 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2019-09-08 06:08:56,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:56,476 INFO L93 Difference]: Finished difference Result 218 states and 271 transitions. [2019-09-08 06:08:56,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:08:56,477 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:08:56,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:56,491 INFO L225 Difference]: With dead ends: 218 [2019-09-08 06:08:56,491 INFO L226 Difference]: Without dead ends: 109 [2019-09-08 06:08:56,496 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 06:08:56,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-09-08 06:08:56,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-09-08 06:08:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-09-08 06:08:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2019-09-08 06:08:56,555 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 52 [2019-09-08 06:08:56,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:56,556 INFO L475 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2019-09-08 06:08:56,556 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:08:56,556 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2019-09-08 06:08:56,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:08:56,560 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:56,561 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 06:08:56,561 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:56,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:56,561 INFO L82 PathProgramCache]: Analyzing trace with hash -110013257, now seen corresponding path program 1 times [2019-09-08 06:08:56,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:56,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:56,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:56,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:56,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:56,716 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 06:08:56,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:56,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:56,720 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:56,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:56,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:56,722 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 3 states. [2019-09-08 06:08:56,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:56,772 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2019-09-08 06:08:56,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:56,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:08:56,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:56,780 INFO L225 Difference]: With dead ends: 163 [2019-09-08 06:08:56,780 INFO L226 Difference]: Without dead ends: 100 [2019-09-08 06:08:56,782 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 06:08:56,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-09-08 06:08:56,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-09-08 06:08:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-09-08 06:08:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2019-09-08 06:08:56,807 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 53 [2019-09-08 06:08:56,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:56,807 INFO L475 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2019-09-08 06:08:56,808 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2019-09-08 06:08:56,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 06:08:56,814 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:56,815 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 06:08:56,815 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:56,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:56,815 INFO L82 PathProgramCache]: Analyzing trace with hash -829955057, now seen corresponding path program 1 times [2019-09-08 06:08:56,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:56,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:56,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:56,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:56,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:57,021 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 06:08:57,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:57,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:08:57,022 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:08:57,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:08:57,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:08:57,023 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 7 states. [2019-09-08 06:08:57,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:57,333 INFO L93 Difference]: Finished difference Result 176 states and 207 transitions. [2019-09-08 06:08:57,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:08:57,334 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-08 06:08:57,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:57,336 INFO L225 Difference]: With dead ends: 176 [2019-09-08 06:08:57,336 INFO L226 Difference]: Without dead ends: 100 [2019-09-08 06:08:57,337 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 06:08:57,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-09-08 06:08:57,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-09-08 06:08:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-09-08 06:08:57,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2019-09-08 06:08:57,349 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 58 [2019-09-08 06:08:57,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:57,350 INFO L475 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2019-09-08 06:08:57,350 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:08:57,350 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2019-09-08 06:08:57,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-08 06:08:57,352 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:57,352 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] [2019-09-08 06:08:57,352 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:57,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:57,352 INFO L82 PathProgramCache]: Analyzing trace with hash -715130014, now seen corresponding path program 1 times [2019-09-08 06:08:57,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:57,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:57,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:57,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:57,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:57,466 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 06:08:57,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:57,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:08:57,469 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:08:57,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:08:57,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:08:57,470 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 6 states. [2019-09-08 06:08:57,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:57,723 INFO L93 Difference]: Finished difference Result 241 states and 290 transitions. [2019-09-08 06:08:57,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:08:57,724 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-09-08 06:08:57,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:57,728 INFO L225 Difference]: With dead ends: 241 [2019-09-08 06:08:57,728 INFO L226 Difference]: Without dead ends: 165 [2019-09-08 06:08:57,729 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 06:08:57,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-09-08 06:08:57,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 163. [2019-09-08 06:08:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-09-08 06:08:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 191 transitions. [2019-09-08 06:08:57,750 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 191 transitions. Word has length 66 [2019-09-08 06:08:57,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:57,751 INFO L475 AbstractCegarLoop]: Abstraction has 163 states and 191 transitions. [2019-09-08 06:08:57,751 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:08:57,751 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 191 transitions. [2019-09-08 06:08:57,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 06:08:57,753 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:57,754 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, 1, 1, 1] [2019-09-08 06:08:57,754 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:57,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:57,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1329435240, now seen corresponding path program 1 times [2019-09-08 06:08:57,755 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:57,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:57,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:57,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:57,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:57,823 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 06:08:57,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:57,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:57,824 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:57,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:57,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:57,825 INFO L87 Difference]: Start difference. First operand 163 states and 191 transitions. Second operand 3 states. [2019-09-08 06:08:57,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:57,841 INFO L93 Difference]: Finished difference Result 270 states and 322 transitions. [2019-09-08 06:08:57,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:57,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-09-08 06:08:57,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:57,844 INFO L225 Difference]: With dead ends: 270 [2019-09-08 06:08:57,844 INFO L226 Difference]: Without dead ends: 131 [2019-09-08 06:08:57,846 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 06:08:57,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-09-08 06:08:57,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-09-08 06:08:57,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-09-08 06:08:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 146 transitions. [2019-09-08 06:08:57,859 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 146 transitions. Word has length 70 [2019-09-08 06:08:57,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:57,859 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 146 transitions. [2019-09-08 06:08:57,860 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:57,860 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2019-09-08 06:08:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 06:08:57,861 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:57,861 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, 1, 1, 1] [2019-09-08 06:08:57,862 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:57,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:57,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1182747068, now seen corresponding path program 1 times [2019-09-08 06:08:57,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:57,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:57,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:57,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:57,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:58,610 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:08:58,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:08:58 BoogieIcfgContainer [2019-09-08 06:08:58,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:08:58,811 INFO L168 Benchmark]: Toolchain (without parser) took 4983.27 ms. Allocated memory was 138.4 MB in the beginning and 267.4 MB in the end (delta: 129.0 MB). Free memory was 85.4 MB in the beginning and 220.3 MB in the end (delta: -134.9 MB). Peak memory consumption was 143.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,812 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.95 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.2 MB in the beginning and 166.5 MB in the end (delta: -81.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,814 INFO L168 Benchmark]: Boogie Preprocessor took 110.49 ms. Allocated memory is still 199.2 MB. Free memory was 166.5 MB in the beginning and 162.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,815 INFO L168 Benchmark]: RCFGBuilder took 1222.62 ms. Allocated memory is still 199.2 MB. Free memory was 162.0 MB in the beginning and 79.8 MB in the end (delta: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,816 INFO L168 Benchmark]: TraceAbstraction took 2967.74 ms. Allocated memory was 199.2 MB in the beginning and 267.4 MB in the end (delta: 68.2 MB). Free memory was 79.8 MB in the beginning and 220.3 MB in the end (delta: -140.5 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,820 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.95 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.2 MB in the beginning and 166.5 MB in the end (delta: -81.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.49 ms. Allocated memory is still 199.2 MB. Free memory was 166.5 MB in the beginning and 162.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1222.62 ms. Allocated memory is still 199.2 MB. Free memory was 162.0 MB in the beginning and 79.8 MB in the end (delta: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2967.74 ms. Allocated memory was 199.2 MB in the beginning and 267.4 MB in the end (delta: 68.2 MB). Free memory was 79.8 MB in the beginning and 220.3 MB in the end (delta: -140.5 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L458] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L725] int cleanupTimeShifts = 4; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; [L798] int retValue_acc ; [L799] 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] [L803] 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] [L804] 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] [L805] 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] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] 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] [L805] 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] [L805] tmp = valid_product() [L807] 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] [L809] 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] [L810] 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] [L792] 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] [L659] int splverifierCounter ; [L660] int tmp ; [L661] int tmp___0 ; [L662] int tmp___1 ; [L663] int tmp___2 ; [L666] 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] [L668] 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] [L670] 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] [L676] tmp = __VERIFIER_nondet_int() [L678] 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] [L680] 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] [L839] COND TRUE waterLevel < 2 [L840] 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] [L680] 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] [L686] tmp___0 = __VERIFIER_nondet_int() [L688] 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] [L696] tmp___2 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___2)) [L704] tmp___1 = __VERIFIER_nondet_int() [L706] 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] [L713] 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=1, waterLevel=2] [L138] 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=1, waterLevel=2] [L145] COND TRUE \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=1, waterLevel=2] [L147] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L167] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] 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=1, waterLevel=2] [L185] FCALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L147] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L153] 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=1, waterLevel=2] [L91] int tmp ; [L92] int tmp___0 ; [L93] 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=1, waterLevel=2] [L97] 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=1, waterLevel=2] [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] 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=1, waterLevel=2] [L97] 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=1, waterLevel=2] [L97] tmp = isMethaneLevelCritical() [L99] 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=1, tmp=0, waterLevel=2] [L103] 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=1, waterLevel=2] [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] 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=1, waterLevel=2] [L103] 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=1, tmp=0, waterLevel=2] [L103] tmp___0 = getWaterLevel() [L105] 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=1, tmp=0, tmp___0=2, waterLevel=2] [L107] 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=1, waterLevel=2] [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] 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=1, waterLevel=2] [L107] 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=1, tmp=0, tmp___0=2, waterLevel=2] [L107] tmp___1 = isPumpRunning() [L109] 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=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L113] 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=1, waterLevel=2] [L44] __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=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 218 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 576 SDtfs, 298 SDslu, 752 SDs, 0 SdLazy, 176 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 29730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...