/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_spec5_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:51:43,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:51:43,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:51:43,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:51:43,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:51:43,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:51:43,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:51:43,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:51:43,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:51:43,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:51:43,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:51:43,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:51:43,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:51:43,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:51:43,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:51:43,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:51:43,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:51:43,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:51:43,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:51:43,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:51:43,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:51:43,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:51:43,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:51:43,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:51:43,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:51:43,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:51:43,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:51:43,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:51:43,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:51:43,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:51:43,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:51:43,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:51:43,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:51:43,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:51:43,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:51:43,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:51:43,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:51:43,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:51:43,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:51:43,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:51:43,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:51:43,775 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 10:51:43,788 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:51:43,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:51:43,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:51:43,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:51:43,790 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:51:43,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:51:43,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:51:43,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:51:43,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:51:43,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:51:43,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:51:43,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:51:43,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:51:43,791 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:51:43,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:51:43,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:51:43,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:51:43,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:51:43,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:51:43,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:51:43,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:51:43,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:51:43,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:51:43,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:51:43,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:51:43,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:51:43,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:51:43,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:51:43,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:51:43,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:51:44,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:51:44,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:51:44,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:51:44,125 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:51:44,126 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:51:44,126 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-07-07 10:51:44,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c54f7659/0fe7eb3c03344321bb50b61b5769ac12/FLAGd43b429e9 [2020-07-07 10:51:44,727 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:51:44,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-07-07 10:51:44,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c54f7659/0fe7eb3c03344321bb50b61b5769ac12/FLAGd43b429e9 [2020-07-07 10:51:45,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c54f7659/0fe7eb3c03344321bb50b61b5769ac12 [2020-07-07 10:51:45,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:51:45,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:51:45,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:51:45,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:51:45,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:51:45,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:51:45" (1/1) ... [2020-07-07 10:51:45,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b2b8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:45, skipping insertion in model container [2020-07-07 10:51:45,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:51:45" (1/1) ... [2020-07-07 10:51:45,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:51:45,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:51:45,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:51:45,577 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:51:45,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:51:45,705 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:51:45,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:45 WrapperNode [2020-07-07 10:51:45,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:51:45,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:51:45,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:51:45,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:51:45,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:45" (1/1) ... [2020-07-07 10:51:45,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:45" (1/1) ... [2020-07-07 10:51:45,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:45" (1/1) ... [2020-07-07 10:51:45,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:45" (1/1) ... [2020-07-07 10:51:45,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:45" (1/1) ... [2020-07-07 10:51:45,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:45" (1/1) ... [2020-07-07 10:51:45,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:45" (1/1) ... [2020-07-07 10:51:45,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:51:45,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:51:45,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:51:45,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:51:45,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:45" (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 10:51:45,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:51:45,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:51:45,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:51:45,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:51:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:51:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:51:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:51:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:51:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:51:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:51:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:51:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:51:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:51:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:51:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:51:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:51:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:51:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:51:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:51:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:51:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:51:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:51:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:51:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:51:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:51:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:51:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:51:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:51:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:51:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:51:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:51:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 10:51:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:51:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:51:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:51:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:51:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:51:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:51:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:51:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:51:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:51:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:51:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:51:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:51:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:51:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:51:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:51:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:51:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:51:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:51:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:51:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:51:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:51:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:51:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:51:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:51:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:51:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:51:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:51:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:51:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:51:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:51:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:51:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:51:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:51:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:51:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:51:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:51:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:51:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:51:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:51:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:51:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:51:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:51:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:51:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:51:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:51:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:51:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:51:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:51:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:51:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:51:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:51:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:51:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:51:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:51:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:51:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:51:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:51:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:51:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:51:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:51:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:51:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:51:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:51:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:51:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:51:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 10:51:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:51:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:51:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:51:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:51:47,034 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:51:47,034 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:51:47,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:51:47 BoogieIcfgContainer [2020-07-07 10:51:47,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:51:47,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:51:47,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:51:47,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:51:47,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:51:45" (1/3) ... [2020-07-07 10:51:47,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a560e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:51:47, skipping insertion in model container [2020-07-07 10:51:47,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:51:45" (2/3) ... [2020-07-07 10:51:47,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a560e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:51:47, skipping insertion in model container [2020-07-07 10:51:47,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:51:47" (3/3) ... [2020-07-07 10:51:47,048 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2020-07-07 10:51:47,058 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:51:47,070 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:51:47,085 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:51:47,114 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:51:47,114 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:51:47,114 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:51:47,115 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:51:47,115 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:51:47,116 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:51:47,116 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:51:47,116 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:51:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states. [2020-07-07 10:51:47,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:51:47,159 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:47,160 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] [2020-07-07 10:51:47,161 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:47,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:47,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1039510468, now seen corresponding path program 1 times [2020-07-07 10:51:47,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:47,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996910629] [2020-07-07 10:51:47,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:47,823 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:47,928 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 10:51:47,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996910629] [2020-07-07 10:51:47,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:51:47,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:51:47,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067481621] [2020-07-07 10:51:47,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:51:47,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:47,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:51:47,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:51:47,954 INFO L87 Difference]: Start difference. First operand 205 states. Second operand 4 states. [2020-07-07 10:51:49,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:49,154 INFO L93 Difference]: Finished difference Result 356 states and 457 transitions. [2020-07-07 10:51:49,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:51:49,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:51:49,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:49,171 INFO L225 Difference]: With dead ends: 356 [2020-07-07 10:51:49,171 INFO L226 Difference]: Without dead ends: 195 [2020-07-07 10:51:49,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:51:49,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-07-07 10:51:49,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 162. [2020-07-07 10:51:49,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-07 10:51:49,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 192 transitions. [2020-07-07 10:51:49,313 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 192 transitions. Word has length 59 [2020-07-07 10:51:49,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:49,314 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 192 transitions. [2020-07-07 10:51:49,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:51:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 192 transitions. [2020-07-07 10:51:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:51:49,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:49,318 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] [2020-07-07 10:51:49,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:51:49,319 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:49,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:49,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1700142027, now seen corresponding path program 1 times [2020-07-07 10:51:49,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:49,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002401947] [2020-07-07 10:51:49,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:49,626 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:49,722 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 10:51:49,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002401947] [2020-07-07 10:51:49,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:51:49,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:51:49,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743428369] [2020-07-07 10:51:49,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:51:49,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:49,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:51:49,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:51:49,726 INFO L87 Difference]: Start difference. First operand 162 states and 192 transitions. Second operand 5 states. [2020-07-07 10:51:50,224 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:51:51,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:51,213 INFO L93 Difference]: Finished difference Result 295 states and 361 transitions. [2020-07-07 10:51:51,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:51:51,214 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:51:51,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:51,218 INFO L225 Difference]: With dead ends: 295 [2020-07-07 10:51:51,218 INFO L226 Difference]: Without dead ends: 185 [2020-07-07 10:51:51,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 10:51:51,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-07-07 10:51:51,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2020-07-07 10:51:51,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-07 10:51:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2020-07-07 10:51:51,268 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 60 [2020-07-07 10:51:51,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:51,269 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2020-07-07 10:51:51,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:51:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2020-07-07 10:51:51,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:51:51,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:51,271 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] [2020-07-07 10:51:51,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:51:51,271 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:51,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:51,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1740397712, now seen corresponding path program 1 times [2020-07-07 10:51:51,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:51,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002088184] [2020-07-07 10:51:51,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:51,578 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:51,746 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 10:51:51,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002088184] [2020-07-07 10:51:51,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:51:51,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:51:51,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117136450] [2020-07-07 10:51:51,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:51:51,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:51,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:51:51,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:51:51,749 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 9 states. [2020-07-07 10:51:52,154 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:52,437 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:52,672 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:52,908 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:53,739 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:51:55,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:55,709 INFO L93 Difference]: Finished difference Result 508 states and 630 transitions. [2020-07-07 10:51:55,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:51:55,710 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-07 10:51:55,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:55,716 INFO L225 Difference]: With dead ends: 508 [2020-07-07 10:51:55,717 INFO L226 Difference]: Without dead ends: 383 [2020-07-07 10:51:55,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:51:55,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-07-07 10:51:55,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 326. [2020-07-07 10:51:55,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-07-07 10:51:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 396 transitions. [2020-07-07 10:51:55,809 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 396 transitions. Word has length 64 [2020-07-07 10:51:55,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:55,810 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 396 transitions. [2020-07-07 10:51:55,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:51:55,810 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 396 transitions. [2020-07-07 10:51:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-07 10:51:55,812 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:55,813 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] [2020-07-07 10:51:55,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:51:55,813 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:55,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:55,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1889366184, now seen corresponding path program 1 times [2020-07-07 10:51:55,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:55,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224913372] [2020-07-07 10:51:55,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,077 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:51:56,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224913372] [2020-07-07 10:51:56,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:51:56,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:51:56,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117820242] [2020-07-07 10:51:56,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:51:56,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:56,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:51:56,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:51:56,196 INFO L87 Difference]: Start difference. First operand 326 states and 396 transitions. Second operand 9 states. [2020-07-07 10:51:56,589 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:57,182 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:58,040 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:58,335 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:51:58,621 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:58,872 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:59,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:59,740 INFO L93 Difference]: Finished difference Result 827 states and 1076 transitions. [2020-07-07 10:51:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:51:59,741 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-07 10:51:59,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:59,747 INFO L225 Difference]: With dead ends: 827 [2020-07-07 10:51:59,748 INFO L226 Difference]: Without dead ends: 529 [2020-07-07 10:51:59,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:51:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-07-07 10:51:59,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 465. [2020-07-07 10:51:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-07-07 10:51:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 561 transitions. [2020-07-07 10:51:59,831 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 561 transitions. Word has length 70 [2020-07-07 10:51:59,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:59,832 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 561 transitions. [2020-07-07 10:51:59,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:51:59,832 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 561 transitions. [2020-07-07 10:51:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-07 10:51:59,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:59,834 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] [2020-07-07 10:51:59,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:51:59,835 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:59,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:59,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1315837753, now seen corresponding path program 1 times [2020-07-07 10:51:59,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:59,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35271811] [2020-07-07 10:51:59,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,133 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:00,265 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 10:52:00,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35271811] [2020-07-07 10:52:00,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:00,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:52:00,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085335415] [2020-07-07 10:52:00,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:52:00,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:00,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:52:00,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:52:00,268 INFO L87 Difference]: Start difference. First operand 465 states and 561 transitions. Second operand 9 states. [2020-07-07 10:52:01,343 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:01,592 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:01,823 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:02,056 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:02,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:02,941 INFO L93 Difference]: Finished difference Result 988 states and 1255 transitions. [2020-07-07 10:52:02,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:52:02,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-07-07 10:52:02,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:02,949 INFO L225 Difference]: With dead ends: 988 [2020-07-07 10:52:02,949 INFO L226 Difference]: Without dead ends: 551 [2020-07-07 10:52:02,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:52:02,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-07-07 10:52:03,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 478. [2020-07-07 10:52:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-07-07 10:52:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 575 transitions. [2020-07-07 10:52:03,036 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 575 transitions. Word has length 97 [2020-07-07 10:52:03,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:03,037 INFO L479 AbstractCegarLoop]: Abstraction has 478 states and 575 transitions. [2020-07-07 10:52:03,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:52:03,037 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 575 transitions. [2020-07-07 10:52:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-07 10:52:03,039 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:03,039 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] [2020-07-07 10:52:03,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:52:03,039 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:03,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:03,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1243451195, now seen corresponding path program 1 times [2020-07-07 10:52:03,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:03,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115899279] [2020-07-07 10:52:03,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,279 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:03,458 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 10:52:03,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115899279] [2020-07-07 10:52:03,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:03,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:52:03,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824831750] [2020-07-07 10:52:03,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:52:03,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:03,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:52:03,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:52:03,461 INFO L87 Difference]: Start difference. First operand 478 states and 575 transitions. Second operand 11 states. [2020-07-07 10:52:03,989 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:04,223 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:04,449 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:05,202 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:05,486 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:05,745 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:06,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:06,657 INFO L93 Difference]: Finished difference Result 1015 states and 1308 transitions. [2020-07-07 10:52:06,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:52:06,661 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 97 [2020-07-07 10:52:06,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:06,665 INFO L225 Difference]: With dead ends: 1015 [2020-07-07 10:52:06,666 INFO L226 Difference]: Without dead ends: 565 [2020-07-07 10:52:06,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:52:06,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-07-07 10:52:06,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 486. [2020-07-07 10:52:06,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-07-07 10:52:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 583 transitions. [2020-07-07 10:52:06,744 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 583 transitions. Word has length 97 [2020-07-07 10:52:06,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:06,745 INFO L479 AbstractCegarLoop]: Abstraction has 486 states and 583 transitions. [2020-07-07 10:52:06,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:52:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 583 transitions. [2020-07-07 10:52:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-07 10:52:06,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:06,747 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] [2020-07-07 10:52:06,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:52:06,747 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:06,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:06,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1573216956, now seen corresponding path program 1 times [2020-07-07 10:52:06,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:06,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989300286] [2020-07-07 10:52:06,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,007 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:07,189 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 10:52:07,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989300286] [2020-07-07 10:52:07,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:07,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:52:07,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141497385] [2020-07-07 10:52:07,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:52:07,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:07,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:52:07,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:52:07,192 INFO L87 Difference]: Start difference. First operand 486 states and 583 transitions. Second operand 7 states. [2020-07-07 10:52:07,536 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:08,055 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:10,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:10,167 INFO L93 Difference]: Finished difference Result 1503 states and 1948 transitions. [2020-07-07 10:52:10,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:52:10,168 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2020-07-07 10:52:10,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:10,178 INFO L225 Difference]: With dead ends: 1503 [2020-07-07 10:52:10,178 INFO L226 Difference]: Without dead ends: 1045 [2020-07-07 10:52:10,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:52:10,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-07-07 10:52:10,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 971. [2020-07-07 10:52:10,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-07-07 10:52:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1183 transitions. [2020-07-07 10:52:10,385 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1183 transitions. Word has length 97 [2020-07-07 10:52:10,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:10,385 INFO L479 AbstractCegarLoop]: Abstraction has 971 states and 1183 transitions. [2020-07-07 10:52:10,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:52:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1183 transitions. [2020-07-07 10:52:10,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-07 10:52:10,389 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:10,389 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] [2020-07-07 10:52:10,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:52:10,390 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:10,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:10,390 INFO L82 PathProgramCache]: Analyzing trace with hash 164101122, now seen corresponding path program 1 times [2020-07-07 10:52:10,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:10,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599777565] [2020-07-07 10:52:10,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,753 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:10,940 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 10:52:10,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599777565] [2020-07-07 10:52:10,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:10,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:52:10,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110425566] [2020-07-07 10:52:10,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:52:10,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:10,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:52:10,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:52:10,946 INFO L87 Difference]: Start difference. First operand 971 states and 1183 transitions. Second operand 12 states. [2020-07-07 10:52:11,408 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:12,019 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:12,656 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:13,006 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:13,241 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:13,506 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:13,766 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:15,802 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:16,122 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:16,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:16,759 INFO L93 Difference]: Finished difference Result 2749 states and 3568 transitions. [2020-07-07 10:52:16,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:52:16,760 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2020-07-07 10:52:16,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:16,772 INFO L225 Difference]: With dead ends: 2749 [2020-07-07 10:52:16,773 INFO L226 Difference]: Without dead ends: 2004 [2020-07-07 10:52:16,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:52:16,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2020-07-07 10:52:17,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1704. [2020-07-07 10:52:17,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2020-07-07 10:52:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2058 transitions. [2020-07-07 10:52:17,238 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2058 transitions. Word has length 101 [2020-07-07 10:52:17,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:17,243 INFO L479 AbstractCegarLoop]: Abstraction has 1704 states and 2058 transitions. [2020-07-07 10:52:17,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:52:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2058 transitions. [2020-07-07 10:52:17,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-07 10:52:17,256 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:17,256 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:17,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:52:17,257 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:17,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:17,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1947078735, now seen corresponding path program 1 times [2020-07-07 10:52:17,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:17,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739615162] [2020-07-07 10:52:17,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,619 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-07 10:52:17,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739615162] [2020-07-07 10:52:17,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984634941] [2020-07-07 10:52:17,926 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 10:52:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:18,148 INFO L264 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:52:18,175 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:52:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:52:18,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:52:18,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:52:18,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792635175] [2020-07-07 10:52:18,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:52:18,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:18,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:52:18,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:52:18,327 INFO L87 Difference]: Start difference. First operand 1704 states and 2058 transitions. Second operand 20 states. [2020-07-07 10:52:18,873 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:19,249 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 10:52:19,534 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:52:19,853 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:52:20,526 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-07 10:52:20,785 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 10:52:21,141 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:52:21,648 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 10:52:21,927 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:52:23,091 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:23,662 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:23,998 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:24,352 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:24,931 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:25,365 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:52:25,977 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-07-07 10:52:26,363 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:52:26,688 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:27,186 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:27,965 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:28,425 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:28,732 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:29,042 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:29,332 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 10:52:29,602 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:52:29,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:29,884 INFO L93 Difference]: Finished difference Result 3691 states and 4609 transitions. [2020-07-07 10:52:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-07-07 10:52:29,885 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 178 [2020-07-07 10:52:29,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:29,897 INFO L225 Difference]: With dead ends: 3691 [2020-07-07 10:52:29,897 INFO L226 Difference]: Without dead ends: 2201 [2020-07-07 10:52:29,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1610 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=1023, Invalid=4379, Unknown=0, NotChecked=0, Total=5402 [2020-07-07 10:52:29,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2201 states. [2020-07-07 10:52:30,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2201 to 1975. [2020-07-07 10:52:30,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1975 states. [2020-07-07 10:52:30,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2330 transitions. [2020-07-07 10:52:30,355 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2330 transitions. Word has length 178 [2020-07-07 10:52:30,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:30,355 INFO L479 AbstractCegarLoop]: Abstraction has 1975 states and 2330 transitions. [2020-07-07 10:52:30,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:52:30,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2330 transitions. [2020-07-07 10:52:30,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-07-07 10:52:30,364 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:30,365 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-07 10:52:30,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:52:30,581 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:30,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:30,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1357647421, now seen corresponding path program 1 times [2020-07-07 10:52:30,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:30,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143174728] [2020-07-07 10:52:30,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,874 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 76 proven. 31 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2020-07-07 10:52:31,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143174728] [2020-07-07 10:52:31,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31627666] [2020-07-07 10:52:31,536 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 10:52:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:31,906 INFO L264 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:52:31,936 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:52:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 204 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-07 10:52:32,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:52:32,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2020-07-07 10:52:32,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813926010] [2020-07-07 10:52:32,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-07 10:52:32,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:32,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-07 10:52:32,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-07-07 10:52:32,402 INFO L87 Difference]: Start difference. First operand 1975 states and 2330 transitions. Second operand 25 states. [2020-07-07 10:52:33,467 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 10:52:34,321 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:35,231 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:52:35,741 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:52:36,219 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:52:36,463 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:36,787 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:37,096 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:37,336 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:37,571 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:38,577 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:38,838 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:42,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:42,396 INFO L93 Difference]: Finished difference Result 4976 states and 6678 transitions. [2020-07-07 10:52:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-07 10:52:42,397 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 297 [2020-07-07 10:52:42,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:42,423 INFO L225 Difference]: With dead ends: 4976 [2020-07-07 10:52:42,423 INFO L226 Difference]: Without dead ends: 3048 [2020-07-07 10:52:42,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 414 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1106 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=746, Invalid=3544, Unknown=0, NotChecked=0, Total=4290 [2020-07-07 10:52:42,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2020-07-07 10:52:43,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 2196. [2020-07-07 10:52:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2196 states. [2020-07-07 10:52:43,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 2196 states and 2585 transitions. [2020-07-07 10:52:43,212 INFO L78 Accepts]: Start accepts. Automaton has 2196 states and 2585 transitions. Word has length 297 [2020-07-07 10:52:43,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:43,213 INFO L479 AbstractCegarLoop]: Abstraction has 2196 states and 2585 transitions. [2020-07-07 10:52:43,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-07 10:52:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2585 transitions. [2020-07-07 10:52:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-07-07 10:52:43,223 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:43,224 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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] [2020-07-07 10:52:43,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:52:43,438 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:43,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:43,439 INFO L82 PathProgramCache]: Analyzing trace with hash -971863191, now seen corresponding path program 1 times [2020-07-07 10:52:43,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:43,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147836812] [2020-07-07 10:52:43,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,775 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 89 proven. 46 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2020-07-07 10:52:44,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147836812] [2020-07-07 10:52:44,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826362046] [2020-07-07 10:52:44,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:52:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,458 INFO L264 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-07 10:52:44,466 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:52:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 244 proven. 18 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-07 10:52:44,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:52:44,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-07 10:52:44,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190953850] [2020-07-07 10:52:44,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:52:44,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:44,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:52:44,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:52:44,708 INFO L87 Difference]: Start difference. First operand 2196 states and 2585 transitions. Second operand 22 states. [2020-07-07 10:52:45,384 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:52:45,925 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:52:46,397 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:52:46,848 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:52:47,708 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:52:48,813 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:49,329 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:52:49,790 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:52:50,300 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:51,391 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:51,634 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:52,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:52,301 INFO L93 Difference]: Finished difference Result 4316 states and 5235 transitions. [2020-07-07 10:52:52,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-07 10:52:52,301 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 313 [2020-07-07 10:52:52,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:52,315 INFO L225 Difference]: With dead ends: 4316 [2020-07-07 10:52:52,315 INFO L226 Difference]: Without dead ends: 2353 [2020-07-07 10:52:52,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-07 10:52:52,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2020-07-07 10:52:52,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2198. [2020-07-07 10:52:52,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2198 states. [2020-07-07 10:52:52,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 2581 transitions. [2020-07-07 10:52:52,730 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 2581 transitions. Word has length 313 [2020-07-07 10:52:52,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:52,733 INFO L479 AbstractCegarLoop]: Abstraction has 2198 states and 2581 transitions. [2020-07-07 10:52:52,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:52:52,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2581 transitions. [2020-07-07 10:52:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-07-07 10:52:52,744 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:52,744 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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] [2020-07-07 10:52:52,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:52:52,958 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:52,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash -2027531651, now seen corresponding path program 1 times [2020-07-07 10:52:52,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:52,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902956732] [2020-07-07 10:52:52,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,328 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 72 proven. 11 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-07-07 10:52:53,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902956732] [2020-07-07 10:52:53,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882965072] [2020-07-07 10:52:53,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:52:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:54,195 INFO L264 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:52:54,204 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:52:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 171 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-07-07 10:52:54,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:52:54,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-07 10:52:54,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318071752] [2020-07-07 10:52:54,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:52:54,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:54,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:52:54,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:52:54,422 INFO L87 Difference]: Start difference. First operand 2198 states and 2581 transitions. Second operand 22 states. [2020-07-07 10:52:54,865 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:55,603 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:55,957 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:56,446 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:00,097 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:00,427 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:00,680 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:00,939 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:01,405 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:53:01,867 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:53:02,116 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:02,377 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:02,859 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:53:03,326 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:53:04,673 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:04,999 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:05,263 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:05,508 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:05,990 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 10:53:06,447 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 10:53:07,241 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:09,587 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:09,852 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:10,100 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:10,619 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:53:11,145 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:53:14,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:14,152 INFO L93 Difference]: Finished difference Result 9000 states and 11959 transitions. [2020-07-07 10:53:14,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-07-07 10:53:14,153 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 314 [2020-07-07 10:53:14,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:14,189 INFO L225 Difference]: With dead ends: 9000 [2020-07-07 10:53:14,190 INFO L226 Difference]: Without dead ends: 6662 [2020-07-07 10:53:14,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3955 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=2040, Invalid=9516, Unknown=0, NotChecked=0, Total=11556 [2020-07-07 10:53:14,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6662 states. [2020-07-07 10:53:15,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6662 to 5141. [2020-07-07 10:53:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5141 states. [2020-07-07 10:53:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 5930 transitions. [2020-07-07 10:53:15,034 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 5930 transitions. Word has length 314 [2020-07-07 10:53:15,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:15,035 INFO L479 AbstractCegarLoop]: Abstraction has 5141 states and 5930 transitions. [2020-07-07 10:53:15,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:53:15,035 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 5930 transitions. [2020-07-07 10:53:15,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2020-07-07 10:53:15,053 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:15,054 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-07 10:53:15,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:15,267 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:15,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:15,268 INFO L82 PathProgramCache]: Analyzing trace with hash 193699238, now seen corresponding path program 1 times [2020-07-07 10:53:15,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:15,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140563703] [2020-07-07 10:53:15,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,552 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,876 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2020-07-07 10:53:15,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140563703] [2020-07-07 10:53:15,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:15,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:53:15,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750942864] [2020-07-07 10:53:15,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:53:15,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:15,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:53:15,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:53:15,879 INFO L87 Difference]: Start difference. First operand 5141 states and 5930 transitions. Second operand 11 states. [2020-07-07 10:53:16,295 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:17,021 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:20,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:20,048 INFO L93 Difference]: Finished difference Result 6616 states and 7936 transitions. [2020-07-07 10:53:20,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-07 10:53:20,049 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 397 [2020-07-07 10:53:20,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:20,061 INFO L225 Difference]: With dead ends: 6616 [2020-07-07 10:53:20,061 INFO L226 Difference]: Without dead ends: 2374 [2020-07-07 10:53:20,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=268, Invalid=992, Unknown=0, NotChecked=0, Total=1260 [2020-07-07 10:53:20,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2020-07-07 10:53:20,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2053. [2020-07-07 10:53:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2053 states. [2020-07-07 10:53:20,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 2299 transitions. [2020-07-07 10:53:20,565 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 2299 transitions. Word has length 397 [2020-07-07 10:53:20,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:20,566 INFO L479 AbstractCegarLoop]: Abstraction has 2053 states and 2299 transitions. [2020-07-07 10:53:20,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:53:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2299 transitions. [2020-07-07 10:53:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-07-07 10:53:20,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:20,573 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-07 10:53:20,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-07 10:53:20,573 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:20,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:20,574 INFO L82 PathProgramCache]: Analyzing trace with hash -286203394, now seen corresponding path program 1 times [2020-07-07 10:53:20,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:20,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473741643] [2020-07-07 10:53:20,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,912 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 114 proven. 93 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-07-07 10:53:21,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473741643] [2020-07-07 10:53:21,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136555899] [2020-07-07 10:53:21,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,770 INFO L264 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-07 10:53:21,779 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 226 proven. 49 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-07-07 10:53:22,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:22,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 12] total 30 [2020-07-07 10:53:22,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881743244] [2020-07-07 10:53:22,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-07-07 10:53:22,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:22,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-07-07 10:53:22,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=758, Unknown=0, NotChecked=0, Total=870 [2020-07-07 10:53:22,159 INFO L87 Difference]: Start difference. First operand 2053 states and 2299 transitions. Second operand 30 states. [2020-07-07 10:53:23,066 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 10:53:23,977 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:24,794 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:25,851 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:53:26,383 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:53:26,861 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:53:27,107 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:27,393 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:27,691 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:29,605 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-07 10:53:30,138 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:53:30,633 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:53:31,115 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:53:32,370 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:53:33,268 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-07-07 10:53:34,098 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-07-07 10:53:37,025 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:53:37,914 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-07 10:53:38,435 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:53:38,931 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:53:39,397 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:53:39,963 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-07-07 10:53:40,428 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-07-07 10:53:41,817 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-07 10:53:46,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:46,841 INFO L93 Difference]: Finished difference Result 7391 states and 9478 transitions. [2020-07-07 10:53:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2020-07-07 10:53:46,842 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 391 [2020-07-07 10:53:46,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:46,844 INFO L225 Difference]: With dead ends: 7391 [2020-07-07 10:53:46,844 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:53:46,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 710 GetRequests, 573 SyntacticMatches, 13 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5682 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=3118, Invalid=12632, Unknown=0, NotChecked=0, Total=15750 [2020-07-07 10:53:46,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:53:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:53:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:53:46,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:53:46,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2020-07-07 10:53:46,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:46,869 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:53:46,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-07-07 10:53:46,870 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:53:46,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:53:47,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-07 10:53:47,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:53:56,022 WARN L193 SmtUtils]: Spent 6.14 s on a formula simplification. DAG size of input: 901 DAG size of output: 784 [2020-07-07 10:53:57,572 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-07-07 10:53:59,554 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-07-07 10:54:02,038 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 228 [2020-07-07 10:54:11,045 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-07-07 10:54:13,509 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-07-07 10:54:21,537 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-07-07 10:54:24,602 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-07-07 10:54:37,179 WARN L193 SmtUtils]: Spent 8.26 s on a formula simplification. DAG size of input: 1044 DAG size of output: 918 [2020-07-07 10:54:44,325 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 737 DAG size of output: 638 [2020-07-07 10:54:46,880 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 710 DAG size of output: 609 [2020-07-07 10:54:50,963 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 615 DAG size of output: 527 [2020-07-07 10:54:57,035 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 255 DAG size of output: 31 [2020-07-07 10:54:57,462 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2020-07-07 10:54:57,686 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-07 10:54:58,083 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 10:55:05,521 WARN L193 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 690 DAG size of output: 41 [2020-07-07 10:55:06,987 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 300 DAG size of output: 28 [2020-07-07 10:55:07,149 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-07-07 10:55:09,121 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 243 DAG size of output: 34 [2020-07-07 10:55:09,997 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 27 [2020-07-07 10:55:11,476 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 235 DAG size of output: 30 [2020-07-07 10:55:14,593 WARN L193 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 275 DAG size of output: 64 [2020-07-07 10:55:15,455 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-07-07 10:55:15,723 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-07-07 10:55:15,999 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2020-07-07 10:55:16,197 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:55:16,387 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:55:16,590 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:55:16,780 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:55:20,949 WARN L193 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 410 DAG size of output: 47 [2020-07-07 10:55:21,195 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-07-07 10:55:22,363 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 394 DAG size of output: 1 [2020-07-07 10:55:24,739 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 348 DAG size of output: 35 [2020-07-07 10:55:25,175 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2020-07-07 10:55:25,716 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2020-07-07 10:55:26,635 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 24 [2020-07-07 10:55:28,526 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 271 DAG size of output: 38 [2020-07-07 10:55:32,404 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 398 DAG size of output: 37 [2020-07-07 10:55:32,600 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:55:33,504 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 27 [2020-07-07 10:55:35,453 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 243 DAG size of output: 34 [2020-07-07 10:55:45,866 WARN L193 SmtUtils]: Spent 10.40 s on a formula simplification. DAG size of input: 822 DAG size of output: 38 [2020-07-07 10:55:46,679 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 30 [2020-07-07 10:55:47,861 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 217 DAG size of output: 30 [2020-07-07 10:55:48,898 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 39 [2020-07-07 10:55:50,351 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 224 DAG size of output: 17 [2020-07-07 10:55:51,514 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 217 DAG size of output: 30 [2020-07-07 10:55:53,317 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 259 DAG size of output: 49 [2020-07-07 10:55:53,509 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:55:53,712 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-07 10:55:53,907 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:55:55,496 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 278 DAG size of output: 38 [2020-07-07 10:55:55,673 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:55:56,098 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 1 [2020-07-07 10:55:56,290 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:56:00,896 WARN L193 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 540 DAG size of output: 41 [2020-07-07 10:56:04,749 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 510 DAG size of output: 43 [2020-07-07 10:56:04,962 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-07 10:56:06,433 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 230 DAG size of output: 27 [2020-07-07 10:56:06,685 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-07-07 10:56:07,575 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 30 [2020-07-07 10:56:08,701 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 234 DAG size of output: 23 [2020-07-07 10:56:08,900 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:56:11,818 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 442 DAG size of output: 36 [2020-07-07 10:56:13,006 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 226 DAG size of output: 36 [2020-07-07 10:56:13,208 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-07-07 10:56:15,418 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 344 DAG size of output: 30 [2020-07-07 10:56:16,313 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 30 [2020-07-07 10:56:16,516 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-07-07 10:56:16,521 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:56:16,521 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:56:16,521 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 10:56:16,521 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-07 10:56:16,522 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:56:16,522 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-07 10:56:16,522 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:56:16,522 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:56:16,522 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-07 10:56:16,522 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-07 10:56:16,522 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:56:16,522 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:56:16,523 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:56:16,523 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-07 10:56:16,523 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:56:16,523 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-07 10:56:16,523 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:56:16,523 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-07 10:56:16,524 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 530 536) the Hoare annotation is: true [2020-07-07 10:56:16,524 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 530 536) no Hoare annotation was computed. [2020-07-07 10:56:16,524 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 537 545) no Hoare annotation was computed. [2020-07-07 10:56:16,524 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 537 545) the Hoare annotation is: true [2020-07-07 10:56:16,524 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 537 545) no Hoare annotation was computed. [2020-07-07 10:56:16,525 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 980 987) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:16,525 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 980 987) no Hoare annotation was computed. [2020-07-07 10:56:16,525 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 980 987) no Hoare annotation was computed. [2020-07-07 10:56:16,525 INFO L268 CegarLoopResult]: For program point L993(line 993) no Hoare annotation was computed. [2020-07-07 10:56:16,525 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 988 997) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse2 .cse6 .cse3) (or .cse4 .cse7 .cse1 .cse5 .cse3) (or .cse7 .cse1 .cse5 .cse6 .cse3))) [2020-07-07 10:56:16,526 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 988 997) no Hoare annotation was computed. [2020-07-07 10:56:16,526 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 988 997) no Hoare annotation was computed. [2020-07-07 10:56:16,526 INFO L264 CegarLoopResult]: At program point L1013(line 1013) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~systemActive~0)) .cse3) (or .cse0 .cse3 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2020-07-07 10:56:16,526 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2020-07-07 10:56:16,526 INFO L268 CegarLoopResult]: For program point L1010(lines 1010 1020) no Hoare annotation was computed. [2020-07-07 10:56:16,526 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 998 1026) the Hoare annotation is: true [2020-07-07 10:56:16,527 INFO L264 CegarLoopResult]: At program point L1008(line 1008) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 ~systemActive~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~10 ~waterLevel~0)) (.cse6 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or (not (= 0 ~methaneLevelCritical~0)) .cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse6 .cse4 .cse3) (or .cse0 .cse7 .cse5 .cse2) (or .cse7 (not (= 2 ~waterLevel~0)) .cse2) (or .cse5 .cse6 .cse2 .cse3))) [2020-07-07 10:56:16,527 INFO L268 CegarLoopResult]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2020-07-07 10:56:16,527 INFO L268 CegarLoopResult]: For program point L1006(lines 1006 1023) no Hoare annotation was computed. [2020-07-07 10:56:16,527 INFO L268 CegarLoopResult]: For program point L1006-1(lines 998 1026) no Hoare annotation was computed. [2020-07-07 10:56:16,527 INFO L271 CegarLoopResult]: At program point L1004(line 1004) the Hoare annotation is: true [2020-07-07 10:56:16,527 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 998 1026) no Hoare annotation was computed. [2020-07-07 10:56:16,527 INFO L268 CegarLoopResult]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2020-07-07 10:56:16,528 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:56:16,528 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-07 10:56:16,528 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:56:16,528 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:56:16,528 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-07 10:56:16,528 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-07 10:56:16,529 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-07 10:56:16,529 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:56:16,529 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:56:16,529 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:56:16,529 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-07 10:56:16,529 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-07 10:56:16,529 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-07 10:56:16,530 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-07 10:56:16,530 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-07 10:56:16,530 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-07 10:56:16,530 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-07 10:56:16,530 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-07 10:56:16,530 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-07 10:56:16,530 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-07 10:56:16,530 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-07 10:56:16,530 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-07 10:56:16,531 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-07 10:56:16,531 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-07 10:56:16,531 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-07 10:56:16,531 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-07 10:56:16,531 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-07 10:56:16,531 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-07 10:56:16,531 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 963 977) no Hoare annotation was computed. [2020-07-07 10:56:16,531 INFO L264 CegarLoopResult]: At program point L969(line 969) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-07 10:56:16,532 INFO L268 CegarLoopResult]: For program point L967(lines 967 973) no Hoare annotation was computed. [2020-07-07 10:56:16,532 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 963 977) the Hoare annotation is: (let ((.cse4 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 |old(~systemActive~0)|)) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse3 (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~pumpRunning~0)))))) [2020-07-07 10:56:16,532 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 963 977) no Hoare annotation was computed. [2020-07-07 10:56:16,532 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 880 888) no Hoare annotation was computed. [2020-07-07 10:56:16,532 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 880 888) the Hoare annotation is: true [2020-07-07 10:56:16,532 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 880 888) no Hoare annotation was computed. [2020-07-07 10:56:16,532 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2020-07-07 10:56:16,532 INFO L268 CegarLoopResult]: For program point L953(lines 953 957) no Hoare annotation was computed. [2020-07-07 10:56:16,533 INFO L271 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: true [2020-07-07 10:56:16,533 INFO L268 CegarLoopResult]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2020-07-07 10:56:16,533 INFO L268 CegarLoopResult]: For program point L951-1(line 951) no Hoare annotation was computed. [2020-07-07 10:56:16,533 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2020-07-07 10:56:16,533 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2020-07-07 10:56:16,533 INFO L268 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-07-07 10:56:16,533 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-07-07 10:56:16,533 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-07-07 10:56:16,534 INFO L268 CegarLoopResult]: For program point L919-1(line 919) no Hoare annotation was computed. [2020-07-07 10:56:16,534 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 889 924) no Hoare annotation was computed. [2020-07-07 10:56:16,534 INFO L268 CegarLoopResult]: For program point L908(lines 908 916) no Hoare annotation was computed. [2020-07-07 10:56:16,534 INFO L268 CegarLoopResult]: For program point L908-2(lines 908 916) no Hoare annotation was computed. [2020-07-07 10:56:16,534 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 889 924) no Hoare annotation was computed. [2020-07-07 10:56:16,534 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 889 924) no Hoare annotation was computed. [2020-07-07 10:56:16,534 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 523 529) no Hoare annotation was computed. [2020-07-07 10:56:16,534 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 523 529) the Hoare annotation is: true [2020-07-07 10:56:16,534 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:56:16,535 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:56:16,535 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:56:16,535 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-07 10:56:16,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:56:16,535 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:56:16,535 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:56:16,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:56:16,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:56:16,536 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:56:16,536 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:56:16,536 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-07 10:56:16,536 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-07 10:56:16,536 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 869 879) the Hoare annotation is: true [2020-07-07 10:56:16,536 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 869 879) no Hoare annotation was computed. [2020-07-07 10:56:16,536 INFO L271 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: true [2020-07-07 10:56:16,536 INFO L268 CegarLoopResult]: For program point L874-1(line 874) no Hoare annotation was computed. [2020-07-07 10:56:16,536 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 869 879) no Hoare annotation was computed. [2020-07-07 10:56:16,537 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 861 868) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse1 .cse0 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:56:16,537 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 861 868) no Hoare annotation was computed. [2020-07-07 10:56:16,537 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 861 868) no Hoare annotation was computed. [2020-07-07 10:56:16,537 INFO L268 CegarLoopResult]: For program point L713(lines 713 719) no Hoare annotation was computed. [2020-07-07 10:56:16,537 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 709 722) no Hoare annotation was computed. [2020-07-07 10:56:16,537 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 709 722) the Hoare annotation is: true [2020-07-07 10:56:16,537 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 709 722) no Hoare annotation was computed. [2020-07-07 10:56:16,537 INFO L268 CegarLoopResult]: For program point L834-1(line 834) no Hoare annotation was computed. [2020-07-07 10:56:16,537 INFO L268 CegarLoopResult]: For program point L832(lines 832 849) no Hoare annotation was computed. [2020-07-07 10:56:16,537 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 828 852) no Hoare annotation was computed. [2020-07-07 10:56:16,537 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 828 852) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse3 (not (<= ~waterLevel~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse4) (or (not (= 2 ~waterLevel~0)) .cse6 .cse7 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse3 .cse4))) [2020-07-07 10:56:16,537 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:56:16,537 INFO L268 CegarLoopResult]: For program point L847-1(lines 828 852) no Hoare annotation was computed. [2020-07-07 10:56:16,538 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~7)) .cse3 .cse0) (or (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse0))) [2020-07-07 10:56:16,538 INFO L264 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or .cse1 .cse3 .cse2 (not (<= ~waterLevel~0 0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse3 .cse2 .cse0))) [2020-07-07 10:56:16,538 INFO L268 CegarLoopResult]: For program point L836(lines 836 844) no Hoare annotation was computed. [2020-07-07 10:56:16,538 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse0 .cse2 .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse3))) [2020-07-07 10:56:16,538 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2020-07-07 10:56:16,538 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2020-07-07 10:56:16,538 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:56:16,539 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:56:16,539 INFO L268 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2020-07-07 10:56:16,539 INFO L264 CegarLoopResult]: At program point L603-1(lines 597 610) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 (<= ~waterLevel~0 1) .cse2) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-07 10:56:16,540 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-07-07 10:56:16,540 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-07-07 10:56:16,540 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-07-07 10:56:16,540 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 .cse6 .cse4) (and .cse0 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse6 .cse4 .cse5))) [2020-07-07 10:56:16,540 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-07-07 10:56:16,540 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-07-07 10:56:16,541 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-07 10:56:16,541 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse4 .cse1 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse4 .cse3) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:56:16,541 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-07 10:56:16,541 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-07-07 10:56:16,541 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-07-07 10:56:16,541 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:56:16,541 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-07-07 10:56:16,541 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:56:16,541 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:56:16,541 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:56:16,541 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-07 10:56:16,541 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:56:16,541 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:56:16,541 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 723 731) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 723 731) the Hoare annotation is: true [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 723 731) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point L685(lines 685 693) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 693) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 677 699) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 677 699) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 677 699) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-07 10:56:16,542 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 513 522) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 513 522) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 513 522) no Hoare annotation was computed. [2020-07-07 10:56:16,543 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:56:16,544 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-07 10:56:16,544 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:56:16,544 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 853 860) no Hoare annotation was computed. [2020-07-07 10:56:16,544 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 853 860) no Hoare annotation was computed. [2020-07-07 10:56:16,544 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 853 860) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:16,544 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 700 708) the Hoare annotation is: true [2020-07-07 10:56:16,544 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 700 708) no Hoare annotation was computed. [2020-07-07 10:56:16,544 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 700 708) no Hoare annotation was computed. [2020-07-07 10:56:16,545 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 925 943) no Hoare annotation was computed. [2020-07-07 10:56:16,545 INFO L268 CegarLoopResult]: For program point L934(lines 934 938) no Hoare annotation was computed. [2020-07-07 10:56:16,545 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 925 943) the Hoare annotation is: true [2020-07-07 10:56:16,545 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 925 943) no Hoare annotation was computed. [2020-07-07 10:56:16,545 INFO L271 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: true [2020-07-07 10:56:16,545 INFO L268 CegarLoopResult]: For program point L934-2(lines 934 938) no Hoare annotation was computed. [2020-07-07 10:56:16,545 INFO L268 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-07-07 10:56:16,545 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:56:16,545 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:56:16,545 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:56:16,545 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 656 667) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse3 .cse0 (not (= 0 ~systemActive~0)) .cse4))) [2020-07-07 10:56:16,545 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 656 667) no Hoare annotation was computed. [2020-07-07 10:56:16,545 INFO L268 CegarLoopResult]: For program point L660-1(lines 656 667) no Hoare annotation was computed. [2020-07-07 10:56:16,546 INFO L264 CegarLoopResult]: At program point L757(line 757) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse2) .cse0 .cse1 .cse3) (or .cse4 (not (<= |old(~waterLevel~0)| 1)) .cse5 (and .cse6 .cse7 (= 0 ~waterLevel~0)) (and (<= ~waterLevel~0 0) .cse2) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse5 (and .cse6 .cse7 (= 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 (not (<= |old(~waterLevel~0)| 0)) (and .cse6 .cse7 .cse2) .cse3))) [2020-07-07 10:56:16,546 INFO L264 CegarLoopResult]: At program point L755(lines 755 761) the Hoare annotation is: (let ((.cse16 (= 1 ~waterLevel~0)) (.cse14 (= 0 ~pumpRunning~0)) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (and .cse14 .cse15 .cse8)) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (and .cse14 .cse15 .cse16)) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (and .cse14 .cse8)) (.cse12 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 (not (<= |old(~waterLevel~0)| 0)) (and .cse6 .cse7 .cse8) .cse9 .cse4) (or .cse5 .cse10 .cse0 .cse2 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse9 .cse4) (or .cse11 (not (= 0 ~systemActive~0)) .cse12 (not (<= |old(~waterLevel~0)| 2))) (let ((.cse13 (= 0 ~waterLevel~0))) (or .cse5 (and .cse6 .cse0 .cse7 .cse13) .cse2 (not (= 1 |old(~waterLevel~0)|)) (and .cse14 .cse15 .cse13) .cse4)) (or (and .cse8 (<= 1 ~pumpRunning~0)) (and (= 2 ~waterLevel~0) .cse14) .cse1 .cse12 .cse4) (or .cse1 .cse2 (and .cse6 .cse7 .cse16) .cse3 .cse4) (or .cse10 .cse11 .cse12 .cse4)))) [2020-07-07 10:56:16,546 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 741 767) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse3 (and (= 0 ~pumpRunning~0) .cse6 .cse7)) (.cse5 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 (not (= 0 ~systemActive~0)) .cse4 (not (<= |old(~waterLevel~0)| 2))) (or .cse3 .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse4 (not (<= |old(~waterLevel~0)| 0)) .cse2) (or .cse5 .cse0 .cse1 .cse2) (or .cse3 .cse5 .cse4 .cse2)))) [2020-07-07 10:56:16,546 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or (not (= 0 ~systemActive~0)) .cse4 .cse1) (or .cse4 .cse1 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse3))) [2020-07-07 10:56:16,546 INFO L268 CegarLoopResult]: For program point L748(lines 744 766) no Hoare annotation was computed. [2020-07-07 10:56:16,546 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2020-07-07 10:56:16,546 INFO L268 CegarLoopResult]: For program point L746(lines 744 766) no Hoare annotation was computed. [2020-07-07 10:56:16,546 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 741 767) no Hoare annotation was computed. [2020-07-07 10:56:16,547 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-07 10:56:16,547 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-07 10:56:16,547 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-07 10:56:16,547 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-07 10:56:16,547 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-07 10:56:16,547 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-07 10:56:16,547 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-07 10:56:16,547 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-07 10:56:16,547 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-07 10:56:16,547 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-07 10:56:16,547 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 668 676) the Hoare annotation is: true [2020-07-07 10:56:16,547 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 668 676) no Hoare annotation was computed. [2020-07-07 10:56:16,548 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 668 676) no Hoare annotation was computed. [2020-07-07 10:56:16,548 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 632 643) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:16,548 INFO L268 CegarLoopResult]: For program point L636-1(lines 632 643) no Hoare annotation was computed. [2020-07-07 10:56:16,548 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 632 643) no Hoare annotation was computed. [2020-07-07 10:56:16,548 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-07 10:56:16,548 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-07 10:56:16,548 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:56:16,548 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:56:16,548 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:56:16,548 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:56:16,548 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 776 800) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= 2 ~waterLevel~0)) .cse6 .cse7 .cse5) (or .cse8 .cse6 .cse7 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or .cse8 .cse1 .cse0 .cse2 .cse3 .cse5))) [2020-07-07 10:56:16,548 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 776 800) no Hoare annotation was computed. [2020-07-07 10:56:16,549 INFO L264 CegarLoopResult]: At program point L795(line 795) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse4) (or (not (= 1 ~waterLevel~0)) .cse1 .cse0 .cse2 .cse3 .cse4))) [2020-07-07 10:56:16,549 INFO L268 CegarLoopResult]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2020-07-07 10:56:16,549 INFO L264 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0)) .cse0))) [2020-07-07 10:56:16,549 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:56:16,549 INFO L268 CegarLoopResult]: For program point L784(lines 784 792) no Hoare annotation was computed. [2020-07-07 10:56:16,549 INFO L264 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:56:16,549 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-07-07 10:56:16,549 INFO L268 CegarLoopResult]: For program point L780(lines 780 797) no Hoare annotation was computed. [2020-07-07 10:56:16,549 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 644 655) no Hoare annotation was computed. [2020-07-07 10:56:16,549 INFO L268 CegarLoopResult]: For program point L648-1(lines 644 655) no Hoare annotation was computed. [2020-07-07 10:56:16,549 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 644 655) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 0)) .cse3 .cse4 .cse5 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse0 .cse5 .cse6) (or .cse3 .cse4 .cse5 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse5 .cse6 .cse2))) [2020-07-07 10:56:16,549 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 547 554) no Hoare annotation was computed. [2020-07-07 10:56:16,550 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2020-07-07 10:56:16,550 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 547 554) the Hoare annotation is: true [2020-07-07 10:56:16,550 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 547 554) no Hoare annotation was computed. [2020-07-07 10:56:16,550 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 802 826) no Hoare annotation was computed. [2020-07-07 10:56:16,550 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 802 826) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= 2 ~waterLevel~0)) .cse6 .cse7 .cse5) (or .cse8 .cse6 .cse7 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or .cse8 .cse1 .cse0 .cse2 .cse3 .cse5))) [2020-07-07 10:56:16,550 INFO L264 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:56:16,550 INFO L268 CegarLoopResult]: For program point L821-1(lines 802 826) no Hoare annotation was computed. [2020-07-07 10:56:16,550 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse4) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:56:16,550 INFO L264 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse4) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:56:16,551 INFO L268 CegarLoopResult]: For program point L810(lines 810 818) no Hoare annotation was computed. [2020-07-07 10:56:16,551 INFO L264 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse4) (or (not (= 1 ~waterLevel~0)) .cse1 .cse0 .cse2 .cse3 .cse4))) [2020-07-07 10:56:16,551 INFO L268 CegarLoopResult]: For program point L808-1(line 808) no Hoare annotation was computed. [2020-07-07 10:56:16,551 INFO L268 CegarLoopResult]: For program point L806(lines 806 823) no Hoare annotation was computed. [2020-07-07 10:56:16,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:56:16 BoogieIcfgContainer [2020-07-07 10:56:16,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:56:16,570 INFO L168 Benchmark]: Toolchain (without parser) took 271548.84 ms. Allocated memory was 146.3 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 103.5 MB in the beginning and 367.4 MB in the end (delta: -263.9 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-07-07 10:56:16,570 INFO L168 Benchmark]: CDTParser took 1.08 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:56:16,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.11 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 103.3 MB in the beginning and 171.2 MB in the end (delta: -67.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:56:16,571 INFO L168 Benchmark]: Boogie Preprocessor took 87.74 ms. Allocated memory is still 202.9 MB. Free memory was 171.2 MB in the beginning and 167.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:56:16,571 INFO L168 Benchmark]: RCFGBuilder took 1245.74 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 167.1 MB in the beginning and 191.3 MB in the end (delta: -24.3 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:56:16,572 INFO L168 Benchmark]: TraceAbstraction took 269527.17 ms. Allocated memory was 236.5 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 189.9 MB in the beginning and 367.4 MB in the end (delta: -177.5 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-07-07 10:56:16,574 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.11 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 103.3 MB in the beginning and 171.2 MB in the end (delta: -67.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.74 ms. Allocated memory is still 202.9 MB. Free memory was 171.2 MB in the beginning and 167.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1245.74 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 167.1 MB in the beginning and 191.3 MB in the end (delta: -24.3 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 269527.17 ms. Allocated memory was 236.5 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 189.9 MB in the beginning and 367.4 MB in the end (delta: -177.5 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: ((((((((((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 119.9s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 102.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 149.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2889 SDtfs, 10377 SDslu, 6607 SDs, 0 SdLazy, 32025 SolverSat, 9366 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3081 GetRequests, 2503 SyntacticMatches, 20 SemanticMatches, 558 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13596 ImplicationChecksByTransitivity, 52.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5141occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 3787 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 9668 PreInvPairs, 11768 NumberOfFragments, 3134 HoareAnnotationTreeSize, 9668 FomulaSimplifications, 18946316596 FormulaSimplificationTreeSizeReduction, 67.5s HoareSimplificationTime, 72 FomulaSimplificationsInter, 97951133 FormulaSimplificationTreeSizeReductionInter, 81.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 4028 NumberOfCodeBlocks, 4028 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4009 ConstructedInterpolants, 0 QuantifiedInterpolants, 2387750 SizeOfPredicates, 23 NumberOfNonLiveVariables, 6347 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 3367/3662 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 correct! Received shutdown request...