/usr/bin/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_spec2_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:41:55,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:41:55,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:41:55,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:41:55,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:41:55,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:41:55,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:41:55,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:41:55,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:41:55,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:41:55,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:41:55,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:41:55,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:41:55,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:41:55,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:41:55,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:41:55,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:41:55,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:41:55,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:41:55,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:41:55,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:41:55,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:41:55,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:41:55,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:41:55,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:41:55,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:41:55,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:41:55,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:41:55,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:41:55,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:41:55,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:41:55,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:41:55,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:41:55,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:41:55,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:41:55,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:41:55,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:41:55,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:41:55,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:41:55,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:41:55,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:41:55,715 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 [2020-07-07 10:41:55,728 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:41:55,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:41:55,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:41:55,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:41:55,730 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:41:55,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:41:55,730 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:41:55,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:41:55,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:41:55,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:41:55,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:41:55,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:41:55,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:41:55,732 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:41:55,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:41:55,732 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:41:55,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:41:55,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:41:55,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:41:55,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:41:55,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:41:55,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:41:55,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:41:55,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:41:55,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:41:55,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:41:55,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:41:55,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:41:55,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:41:55,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:41:56,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:41:56,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:41:56,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:41:56,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:41:56,093 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:41:56,094 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-07-07 10:41:56,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653caa7a8/dabc636c99314e17969a065c5a46a652/FLAGddda9ba87 [2020-07-07 10:41:56,730 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:41:56,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-07-07 10:41:56,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653caa7a8/dabc636c99314e17969a065c5a46a652/FLAGddda9ba87 [2020-07-07 10:41:57,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653caa7a8/dabc636c99314e17969a065c5a46a652 [2020-07-07 10:41:57,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:41:57,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:41:57,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:41:57,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:41:57,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:41:57,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:41:57" (1/1) ... [2020-07-07 10:41:57,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e0ab50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:57, skipping insertion in model container [2020-07-07 10:41:57,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:41:57" (1/1) ... [2020-07-07 10:41:57,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:41:57,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:41:57,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:41:57,656 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:41:57,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:41:57,793 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:41:57,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:57 WrapperNode [2020-07-07 10:41:57,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:41:57,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:41:57,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:41:57,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:41:57,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:57" (1/1) ... [2020-07-07 10:41:57,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:57" (1/1) ... [2020-07-07 10:41:57,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:57" (1/1) ... [2020-07-07 10:41:57,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:57" (1/1) ... [2020-07-07 10:41:57,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:57" (1/1) ... [2020-07-07 10:41:57,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:57" (1/1) ... [2020-07-07 10:41:57,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:57" (1/1) ... [2020-07-07 10:41:57,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:41:57,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:41:57,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:41:57,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:41:57,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:57" (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 [2020-07-07 10:41:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:41:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:41:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:41:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:41:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:41:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:41:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:41:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:41:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:41:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:41:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:41:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:41:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:41:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:41:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:41:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:41:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:41:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:41:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:41:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:41:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:41:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:41:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:41:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:41:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:41:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:41:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:41:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:41:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:41:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:41:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:41:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:41:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:41:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:41:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:41:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:41:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:41:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:41:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:41:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:41:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:41:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:41:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:41:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:41:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:41:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:41:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:41:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:41:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:41:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:41:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:41:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:41:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:41:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:41:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:41:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:41:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:41:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:41:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:41:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:41:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:41:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:41:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:41:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:41:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:41:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:41:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:41:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:41:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:41:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:41:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:41:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:41:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:41:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:41:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:41:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:41:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:41:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:41:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:41:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:41:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:41:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:41:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:41:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:41:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:41:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:41:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:41:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:41:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:41:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:41:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:41:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:41:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:41:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:41:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:41:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:41:59,026 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:41:59,026 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:41:59,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:41:59 BoogieIcfgContainer [2020-07-07 10:41:59,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:41:59,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:41:59,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:41:59,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:41:59,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:41:57" (1/3) ... [2020-07-07 10:41:59,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fdf7870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:41:59, skipping insertion in model container [2020-07-07 10:41:59,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:57" (2/3) ... [2020-07-07 10:41:59,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fdf7870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:41:59, skipping insertion in model container [2020-07-07 10:41:59,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:41:59" (3/3) ... [2020-07-07 10:41:59,040 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product44.cil.c [2020-07-07 10:41:59,051 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:41:59,060 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:41:59,075 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:41:59,105 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:41:59,106 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:41:59,106 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:41:59,106 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:41:59,106 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:41:59,106 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:41:59,107 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:41:59,108 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:41:59,134 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-07-07 10:41:59,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:41:59,144 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:59,145 INFO L422 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] [2020-07-07 10:41:59,145 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:59,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:59,151 INFO L82 PathProgramCache]: Analyzing trace with hash 925001116, now seen corresponding path program 1 times [2020-07-07 10:41:59,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:59,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201677965] [2020-07-07 10:41:59,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,974 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:00,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:00,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201677965] [2020-07-07 10:42:00,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:00,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:42:00,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648762720] [2020-07-07 10:42:00,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:42:00,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:00,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:42:00,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:42:00,175 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 4 states. [2020-07-07 10:42:01,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:01,411 INFO L93 Difference]: Finished difference Result 305 states and 395 transitions. [2020-07-07 10:42:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:42:01,413 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-07 10:42:01,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:01,428 INFO L225 Difference]: With dead ends: 305 [2020-07-07 10:42:01,429 INFO L226 Difference]: Without dead ends: 171 [2020-07-07 10:42:01,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:42:01,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-07-07 10:42:01,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 135. [2020-07-07 10:42:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-07 10:42:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 157 transitions. [2020-07-07 10:42:01,547 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 157 transitions. Word has length 51 [2020-07-07 10:42:01,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:01,548 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 157 transitions. [2020-07-07 10:42:01,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:42:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 157 transitions. [2020-07-07 10:42:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:42:01,555 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:01,556 INFO L422 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] [2020-07-07 10:42:01,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:42:01,556 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:01,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:01,557 INFO L82 PathProgramCache]: Analyzing trace with hash -214077655, now seen corresponding path program 1 times [2020-07-07 10:42:01,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:01,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265336227] [2020-07-07 10:42:01,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,943 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:01,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265336227] [2020-07-07 10:42:01,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:01,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:42:01,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105345189] [2020-07-07 10:42:02,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:42:02,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:02,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:42:02,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:42:02,002 INFO L87 Difference]: Start difference. First operand 135 states and 157 transitions. Second operand 5 states. [2020-07-07 10:42:02,458 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:03,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:03,367 INFO L93 Difference]: Finished difference Result 237 states and 292 transitions. [2020-07-07 10:42:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:42:03,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-07 10:42:03,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:03,371 INFO L225 Difference]: With dead ends: 237 [2020-07-07 10:42:03,372 INFO L226 Difference]: Without dead ends: 161 [2020-07-07 10:42:03,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:42:03,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-07-07 10:42:03,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 126. [2020-07-07 10:42:03,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-07 10:42:03,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 145 transitions. [2020-07-07 10:42:03,407 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 145 transitions. Word has length 52 [2020-07-07 10:42:03,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:03,408 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 145 transitions. [2020-07-07 10:42:03,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:42:03,408 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2020-07-07 10:42:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:42:03,410 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:03,410 INFO L422 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] [2020-07-07 10:42:03,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:42:03,410 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:03,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:03,411 INFO L82 PathProgramCache]: Analyzing trace with hash 784654360, now seen corresponding path program 1 times [2020-07-07 10:42:03,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:03,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636655238] [2020-07-07 10:42:03,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,779 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:03,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636655238] [2020-07-07 10:42:03,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:03,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:42:03,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083539442] [2020-07-07 10:42:03,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:42:03,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:03,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:42:03,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:42:03,929 INFO L87 Difference]: Start difference. First operand 126 states and 145 transitions. Second operand 9 states. [2020-07-07 10:42:04,321 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:04,642 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:42:04,913 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:05,150 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:05,965 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:07,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:07,801 INFO L93 Difference]: Finished difference Result 430 states and 536 transitions. [2020-07-07 10:42:07,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:07,801 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-07 10:42:07,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:07,806 INFO L225 Difference]: With dead ends: 430 [2020-07-07 10:42:07,807 INFO L226 Difference]: Without dead ends: 332 [2020-07-07 10:42:07,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:42:07,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-07-07 10:42:07,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 251. [2020-07-07 10:42:07,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-07-07 10:42:07,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 300 transitions. [2020-07-07 10:42:07,884 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 300 transitions. Word has length 57 [2020-07-07 10:42:07,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:07,884 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 300 transitions. [2020-07-07 10:42:07,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:07,885 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 300 transitions. [2020-07-07 10:42:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-07 10:42:07,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:07,887 INFO L422 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] [2020-07-07 10:42:07,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:42:07,887 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:07,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:07,888 INFO L82 PathProgramCache]: Analyzing trace with hash 402514829, now seen corresponding path program 1 times [2020-07-07 10:42:07,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:07,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606633763] [2020-07-07 10:42:07,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:08,222 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:08,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606633763] [2020-07-07 10:42:08,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:08,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:42:08,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150729166] [2020-07-07 10:42:08,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:42:08,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:08,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:42:08,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:42:08,317 INFO L87 Difference]: Start difference. First operand 251 states and 300 transitions. Second operand 9 states. [2020-07-07 10:42:08,773 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:09,893 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:10,239 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:10,494 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:10,731 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:12,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:12,029 INFO L93 Difference]: Finished difference Result 810 states and 1064 transitions. [2020-07-07 10:42:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-07 10:42:12,031 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-07 10:42:12,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:12,036 INFO L225 Difference]: With dead ends: 810 [2020-07-07 10:42:12,036 INFO L226 Difference]: Without dead ends: 587 [2020-07-07 10:42:12,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:42:12,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-07-07 10:42:12,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 450. [2020-07-07 10:42:12,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-07-07 10:42:12,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 540 transitions. [2020-07-07 10:42:12,155 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 540 transitions. Word has length 62 [2020-07-07 10:42:12,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:12,155 INFO L479 AbstractCegarLoop]: Abstraction has 450 states and 540 transitions. [2020-07-07 10:42:12,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 540 transitions. [2020-07-07 10:42:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-07 10:42:12,158 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:12,159 INFO L422 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] [2020-07-07 10:42:12,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:42:12,159 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:12,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:12,160 INFO L82 PathProgramCache]: Analyzing trace with hash 571350953, now seen corresponding path program 1 times [2020-07-07 10:42:12,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:12,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809947192] [2020-07-07 10:42:12,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:12,442 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:12,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809947192] [2020-07-07 10:42:12,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:12,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:12,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126608874] [2020-07-07 10:42:12,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:12,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:12,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:12,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:12,551 INFO L87 Difference]: Start difference. First operand 450 states and 540 transitions. Second operand 10 states. [2020-07-07 10:42:13,198 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:14,246 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:14,519 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:14,781 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:15,497 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:16,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:16,526 INFO L93 Difference]: Finished difference Result 1266 states and 1696 transitions. [2020-07-07 10:42:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-07 10:42:16,526 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-07-07 10:42:16,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:16,537 INFO L225 Difference]: With dead ends: 1266 [2020-07-07 10:42:16,537 INFO L226 Difference]: Without dead ends: 844 [2020-07-07 10:42:16,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-07-07 10:42:16,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2020-07-07 10:42:16,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 649. [2020-07-07 10:42:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-07-07 10:42:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 779 transitions. [2020-07-07 10:42:16,790 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 779 transitions. Word has length 66 [2020-07-07 10:42:16,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:16,792 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 779 transitions. [2020-07-07 10:42:16,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 779 transitions. [2020-07-07 10:42:16,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-07 10:42:16,796 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:16,797 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:16,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:42:16,797 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:16,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:16,798 INFO L82 PathProgramCache]: Analyzing trace with hash 206198489, now seen corresponding path program 1 times [2020-07-07 10:42:16,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:16,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736892088] [2020-07-07 10:42:16,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,073 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:42:17,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736892088] [2020-07-07 10:42:17,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:17,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:17,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381623851] [2020-07-07 10:42:17,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:17,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:17,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:17,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:17,199 INFO L87 Difference]: Start difference. First operand 649 states and 779 transitions. Second operand 8 states. [2020-07-07 10:42:17,671 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:18,205 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:21,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:21,758 INFO L93 Difference]: Finished difference Result 2906 states and 4118 transitions. [2020-07-07 10:42:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-07 10:42:21,759 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2020-07-07 10:42:21,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:21,776 INFO L225 Difference]: With dead ends: 2906 [2020-07-07 10:42:21,776 INFO L226 Difference]: Without dead ends: 2285 [2020-07-07 10:42:21,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:42:21,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2020-07-07 10:42:22,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 1791. [2020-07-07 10:42:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1791 states. [2020-07-07 10:42:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 2205 transitions. [2020-07-07 10:42:22,192 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 2205 transitions. Word has length 99 [2020-07-07 10:42:22,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:22,193 INFO L479 AbstractCegarLoop]: Abstraction has 1791 states and 2205 transitions. [2020-07-07 10:42:22,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2205 transitions. [2020-07-07 10:42:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-07 10:42:22,200 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:22,200 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:22,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:42:22,201 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:22,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:22,201 INFO L82 PathProgramCache]: Analyzing trace with hash -763382534, now seen corresponding path program 1 times [2020-07-07 10:42:22,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:22,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839850243] [2020-07-07 10:42:22,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,462 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:42:22,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839850243] [2020-07-07 10:42:22,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:22,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:42:22,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667680246] [2020-07-07 10:42:22,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:42:22,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:22,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:42:22,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:42:22,609 INFO L87 Difference]: Start difference. First operand 1791 states and 2205 transitions. Second operand 12 states. [2020-07-07 10:42:23,313 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:23,561 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:23,799 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:24,687 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:24,955 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:25,205 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:26,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:26,747 INFO L93 Difference]: Finished difference Result 4034 states and 5429 transitions. [2020-07-07 10:42:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:42:26,748 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 99 [2020-07-07 10:42:26,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:26,764 INFO L225 Difference]: With dead ends: 4034 [2020-07-07 10:42:26,764 INFO L226 Difference]: Without dead ends: 2271 [2020-07-07 10:42:26,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:42:26,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2271 states. [2020-07-07 10:42:27,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2271 to 1791. [2020-07-07 10:42:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1791 states. [2020-07-07 10:42:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 2197 transitions. [2020-07-07 10:42:27,208 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 2197 transitions. Word has length 99 [2020-07-07 10:42:27,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:27,209 INFO L479 AbstractCegarLoop]: Abstraction has 1791 states and 2197 transitions. [2020-07-07 10:42:27,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:42:27,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2197 transitions. [2020-07-07 10:42:27,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-07 10:42:27,214 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:27,214 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:27,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:42:27,215 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:27,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:27,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1286005308, now seen corresponding path program 1 times [2020-07-07 10:42:27,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:27,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174474741] [2020-07-07 10:42:27,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,452 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:42:27,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174474741] [2020-07-07 10:42:27,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:27,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:27,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920409877] [2020-07-07 10:42:27,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:27,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:27,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:27,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:27,582 INFO L87 Difference]: Start difference. First operand 1791 states and 2197 transitions. Second operand 10 states. [2020-07-07 10:42:29,625 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:29,851 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:42:30,117 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:30,364 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:31,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:31,659 INFO L93 Difference]: Finished difference Result 3586 states and 4823 transitions. [2020-07-07 10:42:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:31,660 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2020-07-07 10:42:31,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:31,671 INFO L225 Difference]: With dead ends: 3586 [2020-07-07 10:42:31,672 INFO L226 Difference]: Without dead ends: 1823 [2020-07-07 10:42:31,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:42:31,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2020-07-07 10:42:31,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1475. [2020-07-07 10:42:31,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1475 states. [2020-07-07 10:42:31,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1779 transitions. [2020-07-07 10:42:31,967 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1779 transitions. Word has length 99 [2020-07-07 10:42:31,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:31,968 INFO L479 AbstractCegarLoop]: Abstraction has 1475 states and 1779 transitions. [2020-07-07 10:42:31,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:31,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1779 transitions. [2020-07-07 10:42:31,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:42:31,973 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:31,973 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:31,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:42:31,973 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:31,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:31,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1816296961, now seen corresponding path program 1 times [2020-07-07 10:42:31,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:31,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216777883] [2020-07-07 10:42:31,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,272 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:42:32,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216777883] [2020-07-07 10:42:32,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686093578] [2020-07-07 10:42:32,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,800 INFO L264 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:42:32,810 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:33,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:33,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-07 10:42:33,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101339345] [2020-07-07 10:42:33,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:33,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:33,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:33,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:42:33,005 INFO L87 Difference]: Start difference. First operand 1475 states and 1779 transitions. Second operand 8 states. [2020-07-07 10:42:33,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:33,515 INFO L93 Difference]: Finished difference Result 2856 states and 3460 transitions. [2020-07-07 10:42:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:42:33,515 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2020-07-07 10:42:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:33,524 INFO L225 Difference]: With dead ends: 2856 [2020-07-07 10:42:33,524 INFO L226 Difference]: Without dead ends: 1409 [2020-07-07 10:42:33,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:42:33,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2020-07-07 10:42:33,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1409. [2020-07-07 10:42:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1409 states. [2020-07-07 10:42:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1663 transitions. [2020-07-07 10:42:33,946 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1663 transitions. Word has length 103 [2020-07-07 10:42:33,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:33,947 INFO L479 AbstractCegarLoop]: Abstraction has 1409 states and 1663 transitions. [2020-07-07 10:42:33,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:33,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1663 transitions. [2020-07-07 10:42:33,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-07 10:42:33,952 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:33,952 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:34,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:42:34,167 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:34,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:34,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1518550128, now seen corresponding path program 1 times [2020-07-07 10:42:34,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:34,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616259636] [2020-07-07 10:42:34,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,476 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,606 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-07 10:42:34,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616259636] [2020-07-07 10:42:34,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334039966] [2020-07-07 10:42:34,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,836 INFO L264 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 10:42:34,842 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:42:34,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:34,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2020-07-07 10:42:34,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606812413] [2020-07-07 10:42:34,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:42:34,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:34,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:42:34,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:42:34,876 INFO L87 Difference]: Start difference. First operand 1409 states and 1663 transitions. Second operand 3 states. [2020-07-07 10:42:35,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:35,388 INFO L93 Difference]: Finished difference Result 2110 states and 2539 transitions. [2020-07-07 10:42:35,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:42:35,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-07 10:42:35,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:35,405 INFO L225 Difference]: With dead ends: 2110 [2020-07-07 10:42:35,406 INFO L226 Difference]: Without dead ends: 2107 [2020-07-07 10:42:35,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:42:35,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2107 states. [2020-07-07 10:42:36,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2107 to 1745. [2020-07-07 10:42:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1745 states. [2020-07-07 10:42:36,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2092 transitions. [2020-07-07 10:42:36,067 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2092 transitions. Word has length 139 [2020-07-07 10:42:36,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:36,068 INFO L479 AbstractCegarLoop]: Abstraction has 1745 states and 2092 transitions. [2020-07-07 10:42:36,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:42:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2092 transitions. [2020-07-07 10:42:36,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-07 10:42:36,079 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:36,080 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:36,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:42:36,296 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:36,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:36,296 INFO L82 PathProgramCache]: Analyzing trace with hash 464766112, now seen corresponding path program 1 times [2020-07-07 10:42:36,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:36,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077749964] [2020-07-07 10:42:36,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:42:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:42:36,610 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 10:42:36,610 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 10:42:36,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 10:42:36,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:42:36 BoogieIcfgContainer [2020-07-07 10:42:36,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:42:36,880 INFO L168 Benchmark]: Toolchain (without parser) took 39858.43 ms. Allocated memory was 144.7 MB in the beginning and 876.1 MB in the end (delta: 731.4 MB). Free memory was 101.5 MB in the beginning and 469.0 MB in the end (delta: -367.5 MB). Peak memory consumption was 363.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:36,881 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 10:42:36,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.58 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.1 MB in the beginning and 170.0 MB in the end (delta: -68.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:36,882 INFO L168 Benchmark]: Boogie Preprocessor took 95.73 ms. Allocated memory is still 201.3 MB. Free memory was 170.0 MB in the beginning and 165.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:36,883 INFO L168 Benchmark]: RCFGBuilder took 1141.38 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 165.0 MB in the beginning and 195.3 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:36,884 INFO L168 Benchmark]: TraceAbstraction took 37845.73 ms. Allocated memory was 233.3 MB in the beginning and 876.1 MB in the end (delta: 642.8 MB). Free memory was 195.3 MB in the beginning and 469.0 MB in the end (delta: -273.7 MB). Peak memory consumption was 369.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:36,887 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 770.58 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.1 MB in the beginning and 170.0 MB in the end (delta: -68.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.73 ms. Allocated memory is still 201.3 MB. Free memory was 170.0 MB in the beginning and 165.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1141.38 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 165.0 MB in the beginning and 195.3 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37845.73 ms. Allocated memory was 233.3 MB in the beginning and 876.1 MB in the end (delta: 642.8 MB). Free memory was 195.3 MB in the beginning and 469.0 MB in the end (delta: -273.7 MB). Peak memory consumption was 369.1 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: [L132] int pumpRunning = 0; [L133] int systemActive = 1; [L364] int cleanupTimeShifts = 4; [L462] int methAndRunningLastTime ; [L502] int waterLevel = 1; [L503] int methaneLevelCritical = 0; [L765] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=172, \old(head)=164, \old(head)=177, \old(methAndRunningLastTime)=167, \old(methaneLevelCritical)=144, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L439] int retValue_acc ; [L440] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L444] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L355] int retValue_acc ; [L358] retValue_acc = 1 [L359] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L446] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L446] tmp = valid_product() [L448] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L450] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L451] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L467] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L77] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L520] COND TRUE waterLevel < 2 [L521] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L140] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L147] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L149] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L169] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L284] int retValue_acc ; [L285] int tmp ; [L286] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L585] COND FALSE !(waterLevel < 2) [L589] retValue_acc = 0 [L590] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L290] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] tmp = isHighWaterSensorDry() [L292] COND FALSE !(\read(tmp)) [L295] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L297] retValue_acc = tmp___0 [L298] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L174] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] tmp = isHighWaterLevel() [L176] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L178] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L203] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L207] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L228] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L232] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] retValue_acc = isMethaneLevelCritical() [L234] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L207] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L207] tmp = isMethaneAlarm() [L209] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L213] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L213] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L178] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L149] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L155] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L472] int tmp ; [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L477] tmp = isMethaneLevelCritical() [L479] COND FALSE !(\read(tmp)) [L495] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L155] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L112] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L65] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L67] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L87] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L532] COND FALSE !(\read(methaneLevelCritical)) [L535] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L87] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L140] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L142] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L508] COND TRUE waterLevel > 0 [L509] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L142] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L147] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L149] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L169] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L172] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L187] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L149] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L155] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L472] int tmp ; [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L477] tmp = isMethaneLevelCritical() [L479] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L481] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L239] int retValue_acc ; [L242] retValue_acc = pumpRunning [L243] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L481] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L481] tmp___0 = isPumpRunning() [L483] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L484] COND FALSE !(\read(methAndRunningLastTime)) [L489] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L155] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L112] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=1] [L65] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=1] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L140] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L142] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L508] COND TRUE waterLevel > 0 [L509] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L142] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L147] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L149] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L169] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L172] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L187] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L149] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L155] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L472] int tmp ; [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L477] tmp = isMethaneLevelCritical() [L479] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L481] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L239] int retValue_acc ; [L242] retValue_acc = pumpRunning [L243] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L481] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L481] tmp___0 = isPumpRunning() [L483] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L484] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L486] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L44] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 237 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 37.5s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 28.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1413 SDtfs, 2395 SDslu, 1992 SDs, 0 SdLazy, 6252 SolverSat, 1617 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 677 GetRequests, 521 SyntacticMatches, 3 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1791occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 2168 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1251 NumberOfCodeBlocks, 1251 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1057 ConstructedInterpolants, 0 QuantifiedInterpolants, 329339 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1707 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 73/77 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...