java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:05:07,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:05:07,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:05:07,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:05:07,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:05:07,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:05:07,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:05:07,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:05:07,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:05:07,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:05:07,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:05:07,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:05:07,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:05:07,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:05:07,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:05:07,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:05:07,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:05:07,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:05:07,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:05:07,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:05:07,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:05:07,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:05:07,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:05:07,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:05:07,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:05:07,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:05:07,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:05:07,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:05:07,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:05:07,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:05:07,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:05:07,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:05:07,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:05:07,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:05:07,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:05:07,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:05:07,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:05:07,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:05:07,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:05:07,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:05:07,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:05:07,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:05:07,789 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:05:07,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:05:07,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:05:07,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:05:07,791 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:05:07,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:05:07,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:05:07,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:05:07,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:05:07,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:05:07,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:05:07,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:05:07,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:05:07,793 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:05:07,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:05:07,794 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:05:07,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:05:07,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:05:07,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:05:07,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:05:07,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:05:07,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:05:07,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:05:07,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:05:07,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:05:07,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:05:07,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:05:07,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:05:07,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:05:07,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:05:07,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:05:07,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:05:07,868 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:05:07,868 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:05:07,869 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2019-09-20 13:05:07,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d03fa293/9c841d63cba044d8b56b3b8db6499a1a/FLAG4d45aca11 [2019-09-20 13:05:08,478 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:05:08,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2019-09-20 13:05:08,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d03fa293/9c841d63cba044d8b56b3b8db6499a1a/FLAG4d45aca11 [2019-09-20 13:05:08,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d03fa293/9c841d63cba044d8b56b3b8db6499a1a [2019-09-20 13:05:08,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:05:08,865 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:05:08,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:08,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:05:08,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:05:08,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:08" (1/1) ... [2019-09-20 13:05:08,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588428a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:08, skipping insertion in model container [2019-09-20 13:05:08,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:08" (1/1) ... [2019-09-20 13:05:08,881 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:05:08,942 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:05:09,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:09,433 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:05:09,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:09,613 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:05:09,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:09 WrapperNode [2019-09-20 13:05:09,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:09,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:05:09,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:05:09,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:05:09,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:09" (1/1) ... [2019-09-20 13:05:09,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:09" (1/1) ... [2019-09-20 13:05:09,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:09" (1/1) ... [2019-09-20 13:05:09,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:09" (1/1) ... [2019-09-20 13:05:09,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:09" (1/1) ... [2019-09-20 13:05:09,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:09" (1/1) ... [2019-09-20 13:05:09,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:09" (1/1) ... [2019-09-20 13:05:09,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:05:09,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:05:09,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:05:09,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:05:09,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:05:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:05:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:05:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:05:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:05:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:05:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:05:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:05:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:05:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:05:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:05:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:05:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:05:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:05:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:05:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:05:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:05:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:05:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:05:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:05:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:05:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:05:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:05:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:05:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:05:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:05:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:05:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:05:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:05:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:05:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:05:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:05:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:05:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:05:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:05:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:05:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:05:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:05:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:05:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:05:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:05:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:05:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:05:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:05:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:05:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:05:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:05:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:05:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:05:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:05:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:05:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:05:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:05:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:05:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:05:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:05:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:05:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:05:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:05:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:05:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:05:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:05:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:05:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:05:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:05:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:05:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:05:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:05:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:05:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:05:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:05:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:05:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:05:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:05:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:05:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:05:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:05:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:05:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:05:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:05:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:05:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:05:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:05:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:05:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:05:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:05:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:05:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:05:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:05:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:05:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:05:11,147 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:05:11,148 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:05:11,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:11 BoogieIcfgContainer [2019-09-20 13:05:11,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:05:11,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:05:11,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:05:11,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:05:11,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:05:08" (1/3) ... [2019-09-20 13:05:11,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332d1724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:11, skipping insertion in model container [2019-09-20 13:05:11,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:09" (2/3) ... [2019-09-20 13:05:11,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332d1724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:11, skipping insertion in model container [2019-09-20 13:05:11,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:11" (3/3) ... [2019-09-20 13:05:11,160 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2019-09-20 13:05:11,172 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:05:11,182 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:05:11,201 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:05:11,237 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:05:11,238 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:05:11,238 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:05:11,238 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:05:11,238 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:05:11,238 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:05:11,238 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:05:11,239 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:05:11,239 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:05:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2019-09-20 13:05:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:05:11,275 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:11,276 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:11,279 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:11,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:11,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1445624956, now seen corresponding path program 1 times [2019-09-20 13:05:11,287 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:11,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:11,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:11,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:11,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:11,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:11,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:05:11,671 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:05:11,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:05:11,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:11,686 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2019-09-20 13:05:11,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:11,736 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2019-09-20 13:05:11,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:05:11,737 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-20 13:05:11,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:11,752 INFO L225 Difference]: With dead ends: 300 [2019-09-20 13:05:11,753 INFO L226 Difference]: Without dead ends: 152 [2019-09-20 13:05:11,758 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:11,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-09-20 13:05:11,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-09-20 13:05:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-09-20 13:05:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2019-09-20 13:05:11,824 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2019-09-20 13:05:11,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:11,824 INFO L475 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2019-09-20 13:05:11,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:05:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2019-09-20 13:05:11,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:05:11,829 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:11,829 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:11,829 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:11,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:11,830 INFO L82 PathProgramCache]: Analyzing trace with hash 313505704, now seen corresponding path program 1 times [2019-09-20 13:05:11,830 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:11,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:11,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:11,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:11,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:11,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:11,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:11,973 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:11,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:11,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:11,974 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2019-09-20 13:05:12,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:12,010 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2019-09-20 13:05:12,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:12,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-20 13:05:12,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:12,014 INFO L225 Difference]: With dead ends: 245 [2019-09-20 13:05:12,014 INFO L226 Difference]: Without dead ends: 143 [2019-09-20 13:05:12,016 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:12,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-09-20 13:05:12,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-09-20 13:05:12,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-09-20 13:05:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2019-09-20 13:05:12,033 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2019-09-20 13:05:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:12,034 INFO L475 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2019-09-20 13:05:12,034 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2019-09-20 13:05:12,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:05:12,037 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:12,037 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:12,038 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:12,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:12,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1935207340, now seen corresponding path program 1 times [2019-09-20 13:05:12,038 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:12,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:12,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:12,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:12,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:12,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:12,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:12,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:12,228 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:12,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:12,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:12,229 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2019-09-20 13:05:12,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:12,598 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2019-09-20 13:05:12,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:12,603 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-20 13:05:12,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:12,606 INFO L225 Difference]: With dead ends: 258 [2019-09-20 13:05:12,606 INFO L226 Difference]: Without dead ends: 143 [2019-09-20 13:05:12,610 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:05:12,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-09-20 13:05:12,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-09-20 13:05:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-09-20 13:05:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2019-09-20 13:05:12,645 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2019-09-20 13:05:12,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:12,646 INFO L475 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2019-09-20 13:05:12,646 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:12,646 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2019-09-20 13:05:12,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-20 13:05:12,650 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:12,650 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:12,651 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:12,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:12,651 INFO L82 PathProgramCache]: Analyzing trace with hash 979214064, now seen corresponding path program 1 times [2019-09-20 13:05:12,651 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:12,651 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:12,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:12,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:12,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:12,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:12,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:05:12,890 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:05:12,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:05:12,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:12,891 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 5 states. [2019-09-20 13:05:13,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:13,503 INFO L93 Difference]: Finished difference Result 367 states and 447 transitions. [2019-09-20 13:05:13,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:05:13,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2019-09-20 13:05:13,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:13,512 INFO L225 Difference]: With dead ends: 367 [2019-09-20 13:05:13,512 INFO L226 Difference]: Without dead ends: 252 [2019-09-20 13:05:13,517 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:13,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2019-09-20 13:05:13,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 233. [2019-09-20 13:05:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-09-20 13:05:13,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 266 transitions. [2019-09-20 13:05:13,579 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 266 transitions. Word has length 75 [2019-09-20 13:05:13,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:13,580 INFO L475 AbstractCegarLoop]: Abstraction has 233 states and 266 transitions. [2019-09-20 13:05:13,580 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:05:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 266 transitions. [2019-09-20 13:05:13,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:05:13,585 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:13,585 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:13,586 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:13,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:13,591 INFO L82 PathProgramCache]: Analyzing trace with hash -919866488, now seen corresponding path program 1 times [2019-09-20 13:05:13,591 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:13,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:13,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:13,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:13,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:13,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:13,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:13,699 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:13,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:13,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:13,700 INFO L87 Difference]: Start difference. First operand 233 states and 266 transitions. Second operand 6 states. [2019-09-20 13:05:13,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:13,938 INFO L93 Difference]: Finished difference Result 625 states and 734 transitions. [2019-09-20 13:05:13,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:13,938 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-09-20 13:05:13,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:13,946 INFO L225 Difference]: With dead ends: 625 [2019-09-20 13:05:13,947 INFO L226 Difference]: Without dead ends: 420 [2019-09-20 13:05:13,949 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:13,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2019-09-20 13:05:14,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 414. [2019-09-20 13:05:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-09-20 13:05:14,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 472 transitions. [2019-09-20 13:05:14,023 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 472 transitions. Word has length 89 [2019-09-20 13:05:14,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:14,024 INFO L475 AbstractCegarLoop]: Abstraction has 414 states and 472 transitions. [2019-09-20 13:05:14,024 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 472 transitions. [2019-09-20 13:05:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-20 13:05:14,027 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:14,027 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:14,028 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:14,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:14,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1008826772, now seen corresponding path program 1 times [2019-09-20 13:05:14,029 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:14,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:14,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:14,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:14,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:14,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:14,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:14,166 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:14,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:14,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:14,168 INFO L87 Difference]: Start difference. First operand 414 states and 472 transitions. Second operand 7 states. [2019-09-20 13:05:14,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:14,892 INFO L93 Difference]: Finished difference Result 831 states and 972 transitions. [2019-09-20 13:05:14,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:05:14,892 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2019-09-20 13:05:14,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:14,897 INFO L225 Difference]: With dead ends: 831 [2019-09-20 13:05:14,897 INFO L226 Difference]: Without dead ends: 445 [2019-09-20 13:05:14,899 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:05:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-09-20 13:05:14,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 413. [2019-09-20 13:05:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-09-20 13:05:14,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 469 transitions. [2019-09-20 13:05:14,941 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 469 transitions. Word has length 93 [2019-09-20 13:05:14,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:14,943 INFO L475 AbstractCegarLoop]: Abstraction has 413 states and 469 transitions. [2019-09-20 13:05:14,943 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:14,943 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 469 transitions. [2019-09-20 13:05:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-20 13:05:14,945 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:14,945 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:14,945 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:14,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:14,946 INFO L82 PathProgramCache]: Analyzing trace with hash 390870795, now seen corresponding path program 1 times [2019-09-20 13:05:14,946 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:14,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:14,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:14,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:14,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:15,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:15,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:15,023 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:15,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:15,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:15,024 INFO L87 Difference]: Start difference. First operand 413 states and 469 transitions. Second operand 6 states. [2019-09-20 13:05:15,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:15,091 INFO L93 Difference]: Finished difference Result 808 states and 932 transitions. [2019-09-20 13:05:15,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:15,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2019-09-20 13:05:15,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:15,095 INFO L225 Difference]: With dead ends: 808 [2019-09-20 13:05:15,095 INFO L226 Difference]: Without dead ends: 423 [2019-09-20 13:05:15,096 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:15,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-09-20 13:05:15,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2019-09-20 13:05:15,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2019-09-20 13:05:15,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 479 transitions. [2019-09-20 13:05:15,125 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 479 transitions. Word has length 94 [2019-09-20 13:05:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:15,126 INFO L475 AbstractCegarLoop]: Abstraction has 423 states and 479 transitions. [2019-09-20 13:05:15,126 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 479 transitions. [2019-09-20 13:05:15,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-20 13:05:15,132 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:15,133 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:15,133 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:15,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:15,133 INFO L82 PathProgramCache]: Analyzing trace with hash 318484237, now seen corresponding path program 1 times [2019-09-20 13:05:15,133 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:15,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:15,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:15,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:15,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:15,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:15,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:15,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:05:15,245 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:05:15,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:05:15,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:15,248 INFO L87 Difference]: Start difference. First operand 423 states and 479 transitions. Second operand 8 states. [2019-09-20 13:05:15,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:15,297 INFO L93 Difference]: Finished difference Result 832 states and 968 transitions. [2019-09-20 13:05:15,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:15,305 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2019-09-20 13:05:15,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:15,309 INFO L225 Difference]: With dead ends: 832 [2019-09-20 13:05:15,309 INFO L226 Difference]: Without dead ends: 437 [2019-09-20 13:05:15,311 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:15,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-09-20 13:05:15,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2019-09-20 13:05:15,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2019-09-20 13:05:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 487 transitions. [2019-09-20 13:05:15,337 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 487 transitions. Word has length 94 [2019-09-20 13:05:15,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:15,338 INFO L475 AbstractCegarLoop]: Abstraction has 431 states and 487 transitions. [2019-09-20 13:05:15,339 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:05:15,339 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 487 transitions. [2019-09-20 13:05:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-20 13:05:15,342 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:15,342 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:15,342 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:15,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:15,342 INFO L82 PathProgramCache]: Analyzing trace with hash 648249998, now seen corresponding path program 1 times [2019-09-20 13:05:15,342 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:15,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:15,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:15,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:15,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:15,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:15,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:05:15,446 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:05:15,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:05:15,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:05:15,447 INFO L87 Difference]: Start difference. First operand 431 states and 487 transitions. Second operand 4 states. [2019-09-20 13:05:15,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:15,702 INFO L93 Difference]: Finished difference Result 1306 states and 1552 transitions. [2019-09-20 13:05:15,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:05:15,703 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2019-09-20 13:05:15,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:15,710 INFO L225 Difference]: With dead ends: 1306 [2019-09-20 13:05:15,710 INFO L226 Difference]: Without dead ends: 903 [2019-09-20 13:05:15,712 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:05:15,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2019-09-20 13:05:15,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 573. [2019-09-20 13:05:15,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2019-09-20 13:05:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 642 transitions. [2019-09-20 13:05:15,761 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 642 transitions. Word has length 94 [2019-09-20 13:05:15,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:15,761 INFO L475 AbstractCegarLoop]: Abstraction has 573 states and 642 transitions. [2019-09-20 13:05:15,761 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:05:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 642 transitions. [2019-09-20 13:05:15,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:05:15,765 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:15,765 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:15,765 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:15,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:15,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1149612728, now seen corresponding path program 1 times [2019-09-20 13:05:15,766 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:15,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:15,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:15,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:15,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:15,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:15,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:15,852 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:15,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:15,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:15,852 INFO L87 Difference]: Start difference. First operand 573 states and 642 transitions. Second operand 3 states. [2019-09-20 13:05:15,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:15,915 INFO L93 Difference]: Finished difference Result 898 states and 1022 transitions. [2019-09-20 13:05:15,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:15,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2019-09-20 13:05:15,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:15,921 INFO L225 Difference]: With dead ends: 898 [2019-09-20 13:05:15,922 INFO L226 Difference]: Without dead ends: 895 [2019-09-20 13:05:15,922 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:15,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2019-09-20 13:05:15,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 741. [2019-09-20 13:05:15,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2019-09-20 13:05:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 841 transitions. [2019-09-20 13:05:15,983 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 841 transitions. Word has length 98 [2019-09-20 13:05:15,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:15,984 INFO L475 AbstractCegarLoop]: Abstraction has 741 states and 841 transitions. [2019-09-20 13:05:15,984 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 841 transitions. [2019-09-20 13:05:15,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-09-20 13:05:15,990 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:15,990 INFO L407 BasicCegarLoop]: trace histogram [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, 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] [2019-09-20 13:05:15,991 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:15,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:15,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1054262603, now seen corresponding path program 1 times [2019-09-20 13:05:15,991 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:15,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:15,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:15,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:15,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:16,174 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:05:16,175 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:16,175 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:16,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:16,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:05:16,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:05:16,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:16,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-20 13:05:16,483 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:05:16,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:05:16,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:16,484 INFO L87 Difference]: Start difference. First operand 741 states and 841 transitions. Second operand 8 states. [2019-09-20 13:05:16,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:16,661 INFO L93 Difference]: Finished difference Result 1249 states and 1428 transitions. [2019-09-20 13:05:16,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:16,662 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2019-09-20 13:05:16,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:16,668 INFO L225 Difference]: With dead ends: 1249 [2019-09-20 13:05:16,668 INFO L226 Difference]: Without dead ends: 674 [2019-09-20 13:05:16,672 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:16,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2019-09-20 13:05:16,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2019-09-20 13:05:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2019-09-20 13:05:16,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 755 transitions. [2019-09-20 13:05:16,724 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 755 transitions. Word has length 162 [2019-09-20 13:05:16,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:16,724 INFO L475 AbstractCegarLoop]: Abstraction has 674 states and 755 transitions. [2019-09-20 13:05:16,725 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:05:16,726 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 755 transitions. [2019-09-20 13:05:16,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-09-20 13:05:16,730 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:16,730 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:16,730 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:16,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:16,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1330390775, now seen corresponding path program 1 times [2019-09-20 13:05:16,731 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:16,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:16,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:16,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:16,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:05:16,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:16,893 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:16,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:17,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:05:17,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:05:17,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:17,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2019-09-20 13:05:17,309 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:17,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:17,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:17,310 INFO L87 Difference]: Start difference. First operand 674 states and 755 transitions. Second operand 7 states. [2019-09-20 13:05:18,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:18,268 INFO L93 Difference]: Finished difference Result 1720 states and 2085 transitions. [2019-09-20 13:05:18,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:18,268 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 175 [2019-09-20 13:05:18,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:18,276 INFO L225 Difference]: With dead ends: 1720 [2019-09-20 13:05:18,277 INFO L226 Difference]: Without dead ends: 1212 [2019-09-20 13:05:18,279 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:18,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2019-09-20 13:05:18,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1118. [2019-09-20 13:05:18,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2019-09-20 13:05:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1288 transitions. [2019-09-20 13:05:18,363 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1288 transitions. Word has length 175 [2019-09-20 13:05:18,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:18,364 INFO L475 AbstractCegarLoop]: Abstraction has 1118 states and 1288 transitions. [2019-09-20 13:05:18,364 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:18,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1288 transitions. [2019-09-20 13:05:18,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-09-20 13:05:18,368 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:18,368 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:18,369 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:18,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:18,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1747787381, now seen corresponding path program 1 times [2019-09-20 13:05:18,369 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:18,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:18,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:18,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:18,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-09-20 13:05:18,636 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:18,636 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:18,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:18,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:05:18,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-20 13:05:19,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:19,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:05:19,076 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:05:19,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:05:19,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:05:19,078 INFO L87 Difference]: Start difference. First operand 1118 states and 1288 transitions. Second operand 19 states. [2019-09-20 13:05:20,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:20,489 INFO L93 Difference]: Finished difference Result 1949 states and 2256 transitions. [2019-09-20 13:05:20,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:05:20,489 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 175 [2019-09-20 13:05:20,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:20,490 INFO L225 Difference]: With dead ends: 1949 [2019-09-20 13:05:20,491 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:05:20,496 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:05:20,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:05:20,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:05:20,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:05:20,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:05:20,497 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2019-09-20 13:05:20,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:20,497 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:05:20,497 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:05:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:05:20,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:05:20,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:05:21,607 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 26 [2019-09-20 13:05:21,818 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2019-09-20 13:05:22,294 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2019-09-20 13:05:22,644 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2019-09-20 13:05:22,888 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2019-09-20 13:05:23,082 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2019-09-20 13:05:23,192 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2019-09-20 13:05:23,427 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 13:05:23,679 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2019-09-20 13:05:23,916 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2019-09-20 13:05:24,132 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2019-09-20 13:05:24,326 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2019-09-20 13:05:24,547 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 31 [2019-09-20 13:05:24,768 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2019-09-20 13:05:24,976 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2019-09-20 13:05:25,206 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2019-09-20 13:05:25,389 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 30 [2019-09-20 13:05:25,562 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2019-09-20 13:05:25,958 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2019-09-20 13:05:26,149 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2019-09-20 13:05:26,275 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2019-09-20 13:05:26,472 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2019-09-20 13:05:26,621 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-09-20 13:05:26,863 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 29 [2019-09-20 13:05:27,086 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-09-20 13:05:27,265 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2019-09-20 13:05:27,487 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-09-20 13:05:27,631 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-09-20 13:05:27,886 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2019-09-20 13:05:28,097 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2019-09-20 13:05:28,237 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-09-20 13:05:28,416 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2019-09-20 13:05:28,588 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2019-09-20 13:05:28,592 INFO L443 ceAbstractionStarter]: For program point L287(lines 264 288) no Hoare annotation was computed. [2019-09-20 13:05:28,592 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 240 295) no Hoare annotation was computed. [2019-09-20 13:05:28,592 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 275) no Hoare annotation was computed. [2019-09-20 13:05:28,592 INFO L443 ceAbstractionStarter]: For program point L271-1(lines 271 275) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point L266(line 266) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 286) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 240 295) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 240 295) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point L322-2(lines 322 347) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point L348(lines 321 349) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 296 355) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 296 355) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 296 355) no Hoare annotation was computed. [2019-09-20 13:05:28,593 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-09-20 13:05:28,594 INFO L443 ceAbstractionStarter]: For program point L328-1(lines 328 332) no Hoare annotation was computed. [2019-09-20 13:05:28,594 INFO L443 ceAbstractionStarter]: For program point L323(line 323) no Hoare annotation was computed. [2019-09-20 13:05:28,594 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2019-09-20 13:05:28,594 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2019-09-20 13:05:28,594 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2019-09-20 13:05:28,594 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2019-09-20 13:05:28,594 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2019-09-20 13:05:28,594 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:28,594 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:28,595 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:28,595 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:28,595 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-09-20 13:05:28,595 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2019-09-20 13:05:28,595 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:28,595 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:28,595 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-09-20 13:05:28,595 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-09-20 13:05:28,595 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-09-20 13:05:28,595 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:05:28,596 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-09-20 13:05:28,596 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:05:28,596 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-09-20 13:05:28,596 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:05:28,596 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-09-20 13:05:28,596 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-09-20 13:05:28,596 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-09-20 13:05:28,596 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-09-20 13:05:28,596 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-09-20 13:05:28,596 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-09-20 13:05:28,597 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-09-20 13:05:28,597 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-09-20 13:05:28,597 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-09-20 13:05:28,597 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-09-20 13:05:28,597 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-09-20 13:05:28,597 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-09-20 13:05:28,597 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2019-09-20 13:05:28,597 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2019-09-20 13:05:28,597 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2019-09-20 13:05:28,598 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2019-09-20 13:05:28,598 INFO L443 ceAbstractionStarter]: For program point L840(lines 840 844) no Hoare annotation was computed. [2019-09-20 13:05:28,598 INFO L446 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2019-09-20 13:05:28,598 INFO L443 ceAbstractionStarter]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2019-09-20 13:05:28,598 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2019-09-20 13:05:28,598 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-09-20 13:05:28,598 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2019-09-20 13:05:28,598 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 803) no Hoare annotation was computed. [2019-09-20 13:05:28,598 INFO L443 ceAbstractionStarter]: For program point L795-2(lines 795 803) no Hoare annotation was computed. [2019-09-20 13:05:28,599 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2019-09-20 13:05:28,599 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 776 811) no Hoare annotation was computed. [2019-09-20 13:05:28,599 INFO L443 ceAbstractionStarter]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2019-09-20 13:05:28,599 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 776 811) no Hoare annotation was computed. [2019-09-20 13:05:28,599 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-09-20 13:05:28,599 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-09-20 13:05:28,599 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 776 811) no Hoare annotation was computed. [2019-09-20 13:05:28,599 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2019-09-20 13:05:28,600 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2019-09-20 13:05:28,600 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 194 239) no Hoare annotation was computed. [2019-09-20 13:05:28,600 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 194 239) no Hoare annotation was computed. [2019-09-20 13:05:28,600 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 194 239) no Hoare annotation was computed. [2019-09-20 13:05:28,600 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 507 552) no Hoare annotation was computed. [2019-09-20 13:05:28,600 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 534) no Hoare annotation was computed. [2019-09-20 13:05:28,600 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 507 552) no Hoare annotation was computed. [2019-09-20 13:05:28,600 INFO L443 ceAbstractionStarter]: For program point L521(lines 521 541) no Hoare annotation was computed. [2019-09-20 13:05:28,601 INFO L443 ceAbstractionStarter]: For program point L521-1(lines 521 541) no Hoare annotation was computed. [2019-09-20 13:05:28,601 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 507 552) no Hoare annotation was computed. [2019-09-20 13:05:28,601 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:28,601 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:28,601 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-09-20 13:05:28,601 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-09-20 13:05:28,601 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2019-09-20 13:05:28,602 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2019-09-20 13:05:28,602 INFO L446 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2019-09-20 13:05:28,602 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-09-20 13:05:28,602 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2019-09-20 13:05:28,603 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:05:28,603 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2019-09-20 13:05:28,604 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2019-09-20 13:05:28,604 INFO L443 ceAbstractionStarter]: For program point L943(lines 943 949) no Hoare annotation was computed. [2019-09-20 13:05:28,604 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2019-09-20 13:05:28,604 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2019-09-20 13:05:28,604 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2019-09-20 13:05:28,604 INFO L439 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse0) (or .cse4 .cse5 .cse2) (or .cse3 .cse5 .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-20 13:05:28,604 INFO L443 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2019-09-20 13:05:28,605 INFO L439 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3) (or .cse1 .cse4) (or .cse3 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 1)) .cse2 .cse4)))) [2019-09-20 13:05:28,605 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2019-09-20 13:05:28,605 INFO L439 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 1)) .cse1 .cse2) (or .cse2 .cse1 .cse3) (or .cse0 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse3)))) [2019-09-20 13:05:28,605 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse2 .cse1 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse6 .cse5 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-20 13:05:28,605 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-09-20 13:05:28,605 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse2 .cse1 .cse4) (or .cse0 .cse5 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse4)))) [2019-09-20 13:05:28,606 INFO L443 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2019-09-20 13:05:28,606 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-09-20 13:05:28,606 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2019-09-20 13:05:28,606 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2019-09-20 13:05:28,608 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:28,608 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2019-09-20 13:05:28,609 INFO L439 ceAbstractionStarter]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse5 .cse6 .cse4) (and (and (and .cse0 .cse2 .cse3) .cse4) .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:28,609 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2019-09-20 13:05:28,609 INFO L443 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2019-09-20 13:05:28,609 INFO L439 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse5 .cse6 .cse4) (and (and (and .cse0 .cse2 .cse3) .cse4) .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:28,609 INFO L443 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2019-09-20 13:05:28,610 INFO L439 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse5 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse0 .cse2 .cse3) .cse4) .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:28,610 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2019-09-20 13:05:28,610 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2019-09-20 13:05:28,610 INFO L439 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse5 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse0 .cse2 .cse3) .cse4) .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:28,610 INFO L439 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse5 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse0 .cse2 .cse3) .cse4) .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:28,610 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-09-20 13:05:28,610 INFO L443 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2019-09-20 13:05:28,611 INFO L443 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2019-09-20 13:05:28,611 INFO L439 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:28,611 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2019-09-20 13:05:28,611 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 488) no Hoare annotation was computed. [2019-09-20 13:05:28,611 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 495) no Hoare annotation was computed. [2019-09-20 13:05:28,611 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 475 495) no Hoare annotation was computed. [2019-09-20 13:05:28,611 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 461 506) no Hoare annotation was computed. [2019-09-20 13:05:28,611 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 461 506) no Hoare annotation was computed. [2019-09-20 13:05:28,611 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 461 506) no Hoare annotation was computed. [2019-09-20 13:05:28,612 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2019-09-20 13:05:28,612 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2019-09-20 13:05:28,612 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2019-09-20 13:05:28,612 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse1 (not (<= 2 ~waterLevel~0)) (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-09-20 13:05:28,612 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 ~pumpRunning~0)) .cse2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse1) (or .cse4 .cse0) (or .cse4 (not (<= 2 ~waterLevel~0)) .cse3 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2019-09-20 13:05:28,612 INFO L443 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2019-09-20 13:05:28,612 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2019-09-20 13:05:28,613 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse5 (not (<= 2 ~waterLevel~0)) .cse3 .cse1 .cse6) (or .cse4 .cse0 .cse5 .cse1 (not (= ~waterLevel~0 1)) .cse6))) [2019-09-20 13:05:28,613 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-09-20 13:05:28,613 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-09-20 13:05:28,613 INFO L443 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2019-09-20 13:05:28,613 INFO L439 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse1 (not (<= 2 ~waterLevel~0)) (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-09-20 13:05:28,613 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2019-09-20 13:05:28,613 INFO L443 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2019-09-20 13:05:28,614 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-09-20 13:05:28,614 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2019-09-20 13:05:28,614 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2019-09-20 13:05:28,614 INFO L443 ceAbstractionStarter]: For program point L915-2(lines 915 923) no Hoare annotation was computed. [2019-09-20 13:05:28,614 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 907 929) no Hoare annotation was computed. [2019-09-20 13:05:28,614 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 907 929) no Hoare annotation was computed. [2019-09-20 13:05:28,614 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 907 929) no Hoare annotation was computed. [2019-09-20 13:05:28,614 INFO L443 ceAbstractionStarter]: For program point L915(lines 915 923) no Hoare annotation was computed. [2019-09-20 13:05:28,614 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 358 460) no Hoare annotation was computed. [2019-09-20 13:05:28,614 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-09-20 13:05:28,615 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 457) no Hoare annotation was computed. [2019-09-20 13:05:28,615 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-09-20 13:05:28,615 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 427) no Hoare annotation was computed. [2019-09-20 13:05:28,615 INFO L443 ceAbstractionStarter]: For program point L428(lines 406 429) no Hoare annotation was computed. [2019-09-20 13:05:28,615 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 358 460) no Hoare annotation was computed. [2019-09-20 13:05:28,615 INFO L443 ceAbstractionStarter]: For program point L387(lines 387 403) no Hoare annotation was computed. [2019-09-20 13:05:28,615 INFO L443 ceAbstractionStarter]: For program point L447(lines 447 454) no Hoare annotation was computed. [2019-09-20 13:05:28,615 INFO L443 ceAbstractionStarter]: For program point L408(lines 407 427) no Hoare annotation was computed. [2019-09-20 13:05:28,615 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-09-20 13:05:28,616 INFO L443 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2019-09-20 13:05:28,616 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 445) no Hoare annotation was computed. [2019-09-20 13:05:28,617 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 358 460) no Hoare annotation was computed. [2019-09-20 13:05:28,617 INFO L443 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2019-09-20 13:05:28,618 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-09-20 13:05:28,618 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 964 973) no Hoare annotation was computed. [2019-09-20 13:05:28,618 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 964 973) no Hoare annotation was computed. [2019-09-20 13:05:28,618 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 964 973) no Hoare annotation was computed. [2019-09-20 13:05:28,618 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:28,618 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:05:28,618 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:28,618 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2019-09-20 13:05:28,618 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2019-09-20 13:05:28,619 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1) .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2019-09-20 13:05:28,619 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2019-09-20 13:05:28,619 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2019-09-20 13:05:28,619 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-09-20 13:05:28,619 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2019-09-20 13:05:28,619 INFO L446 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2019-09-20 13:05:28,619 INFO L443 ceAbstractionStarter]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2019-09-20 13:05:28,619 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-09-20 13:05:28,620 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 930 938) no Hoare annotation was computed. [2019-09-20 13:05:28,620 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 930 938) no Hoare annotation was computed. [2019-09-20 13:05:28,621 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 930 938) no Hoare annotation was computed. [2019-09-20 13:05:28,621 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse7 (= 1 ~methaneLevelCritical~0)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse5)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse2 .cse3) (or .cse6 .cse5 (not (<= 2 ~waterLevel~0)) .cse4 .cse7) (or .cse6 .cse7 .cse1 .cse2)))) [2019-09-20 13:05:28,621 INFO L443 ceAbstractionStarter]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2019-09-20 13:05:28,621 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2019-09-20 13:05:28,621 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:28,621 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:05:28,621 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:28,621 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse6)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse4 .cse5))) (and (or .cse0 .cse1 .cse2) (or .cse3 (and .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) .cse6 .cse7 .cse1) (or .cse6 .cse7 .cse8 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse6 (not (<= 2 |old(~waterLevel~0)|)) .cse7 .cse8)))) [2019-09-20 13:05:28,622 INFO L443 ceAbstractionStarter]: For program point L635(lines 634 653) no Hoare annotation was computed. [2019-09-20 13:05:28,622 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 1)) (.cse5 (not (= ~systemActive~0 1))) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse0 (and .cse9 (= ~pumpRunning~0 0) .cse10)) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse8 .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse6 .cse7 .cse3) (or .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse6 .cse7) (or .cse4 .cse5 .cse6 (and .cse8 .cse9 .cse10) .cse2)))) [2019-09-20 13:05:28,622 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2019-09-20 13:05:28,622 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2019-09-20 13:05:28,622 INFO L439 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (or .cse9 .cse3)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 (and .cse6 .cse7 .cse2) .cse8 .cse5) (or .cse9 .cse2 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse10) (or (and .cse6 .cse7) .cse8 .cse5 .cse10) (or .cse1 .cse3 .cse4 .cse10)))) [2019-09-20 13:05:28,622 INFO L439 ceAbstractionStarter]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (= ~pumpRunning~0 0))) (let ((.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse14 (and (= 1 ~systemActive~0) .cse1 .cse12 (= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (or .cse1 .cse3)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse6 (and .cse10 .cse12)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (and .cse8 .cse9 .cse10) .cse5 .cse11) (or .cse9 .cse12 .cse3 .cse13 .cse11) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse11) (or .cse0 .cse3 .cse13 .cse5 .cse14) (or .cse0 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse13 .cse14) (or .cse0 .cse7 (and .cse8 .cse9 .cse10 .cse2) .cse6 .cse5)))) [2019-09-20 13:05:28,623 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-09-20 13:05:28,623 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-09-20 13:05:28,623 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-09-20 13:05:28,623 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-09-20 13:05:28,623 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-09-20 13:05:28,623 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-09-20 13:05:28,623 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-09-20 13:05:28,623 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-09-20 13:05:28,624 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-09-20 13:05:28,624 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-09-20 13:05:28,625 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2019-09-20 13:05:28,625 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2019-09-20 13:05:28,626 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2019-09-20 13:05:28,626 INFO L443 ceAbstractionStarter]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2019-09-20 13:05:28,626 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (or .cse0 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse4 .cse2) (or .cse3 .cse2 .cse1 .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-20 13:05:28,626 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2019-09-20 13:05:28,626 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-09-20 13:05:28,626 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-09-20 13:05:28,626 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:28,626 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-09-20 13:05:28,626 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:05:28,627 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:28,627 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2019-09-20 13:05:28,627 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (or (not (= 0 ~pumpRunning~0)) .cse0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse6 .cse0 .cse1 .cse2 .cse5) (or .cse6 .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse6 .cse2 .cse4 .cse5)))) [2019-09-20 13:05:28,627 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2019-09-20 13:05:28,627 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 (not (= ~methaneLevelCritical~0 1)) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse1 .cse2)))) [2019-09-20 13:05:28,627 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or .cse2 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-20 13:05:28,627 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 679) no Hoare annotation was computed. [2019-09-20 13:05:28,628 INFO L439 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-20 13:05:28,628 INFO L443 ceAbstractionStarter]: For program point L669-1(line 669) no Hoare annotation was computed. [2019-09-20 13:05:28,628 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2019-09-20 13:05:28,628 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 684) no Hoare annotation was computed. [2019-09-20 13:05:28,628 INFO L439 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse1)))) [2019-09-20 13:05:28,628 INFO L443 ceAbstractionStarter]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2019-09-20 13:05:28,628 INFO L439 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse2 .cse1)))) [2019-09-20 13:05:28,628 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2019-09-20 13:05:28,629 INFO L443 ceAbstractionStarter]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2019-09-20 13:05:28,629 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse4 .cse6 (not (<= 2 |old(~waterLevel~0)|)) .cse5 .cse0)))) [2019-09-20 13:05:28,629 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2019-09-20 13:05:28,629 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2019-09-20 13:05:28,629 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2019-09-20 13:05:28,629 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2019-09-20 13:05:28,629 INFO L439 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse1)))) [2019-09-20 13:05:28,630 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2019-09-20 13:05:28,630 INFO L439 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse1)))) [2019-09-20 13:05:28,630 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or .cse2 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-20 13:05:28,630 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 705) no Hoare annotation was computed. [2019-09-20 13:05:28,630 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse1)))) [2019-09-20 13:05:28,630 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-09-20 13:05:28,630 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2019-09-20 13:05:28,630 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-20 13:05:28,631 INFO L443 ceAbstractionStarter]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2019-09-20 13:05:28,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:05:28 BoogieIcfgContainer [2019-09-20 13:05:28,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:05:28,674 INFO L168 Benchmark]: Toolchain (without parser) took 19808.36 ms. Allocated memory was 137.9 MB in the beginning and 551.0 MB in the end (delta: 413.1 MB). Free memory was 84.5 MB in the beginning and 330.6 MB in the end (delta: -246.1 MB). Peak memory consumption was 426.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:28,675 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:05:28,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.80 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 163.2 MB in the end (delta: -78.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:28,680 INFO L168 Benchmark]: Boogie Preprocessor took 158.47 ms. Allocated memory is still 198.2 MB. Free memory was 163.2 MB in the beginning and 158.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:28,680 INFO L168 Benchmark]: RCFGBuilder took 1375.50 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 158.8 MB in the beginning and 186.7 MB in the end (delta: -27.8 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:28,681 INFO L168 Benchmark]: TraceAbstraction took 17521.27 ms. Allocated memory was 219.2 MB in the beginning and 551.0 MB in the end (delta: 331.9 MB). Free memory was 186.7 MB in the beginning and 330.6 MB in the end (delta: -143.9 MB). Peak memory consumption was 447.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:28,685 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 748.80 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 163.2 MB in the end (delta: -78.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 158.47 ms. Allocated memory is still 198.2 MB. Free memory was 163.2 MB in the beginning and 158.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1375.50 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 158.8 MB in the beginning and 186.7 MB in the end (delta: -27.8 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17521.27 ms. Allocated memory was 219.2 MB in the beginning and 551.0 MB in the end (delta: 331.9 MB). Free memory was 186.7 MB in the beginning and 330.6 MB in the end (delta: -143.9 MB). Peak memory consumption was 447.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: (((((((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical)) || !(\old(systemActive) == 1)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 1) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 254 locations, 1 error locations. SAFE Result, 17.4s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 5.1s AutomataDifference, 0.0s DeadEndRemovalTime, 8.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2540 SDtfs, 1701 SDslu, 6747 SDs, 0 SdLazy, 2816 SolverSat, 472 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 659 GetRequests, 568 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1118occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 641 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2193 PreInvPairs, 2293 NumberOfFragments, 3029 HoareAnnotationTreeSize, 2193 FomulaSimplifications, 12677 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 69 FomulaSimplificationsInter, 21453 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1821 NumberOfCodeBlocks, 1821 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1805 ConstructedInterpolants, 0 QuantifiedInterpolants, 389654 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2900 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 288/304 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...