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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:18:08,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:18:08,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:18:08,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:18:08,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:18:08,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:18:08,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:18:08,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:18:08,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:18:08,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:18:08,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:18:08,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:18:08,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:18:08,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:18:08,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:18:08,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:18:08,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:18:08,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:18:08,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:18:08,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:18:08,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:18:08,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:18:08,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:18:08,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:18:08,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:18:08,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:18:08,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:18:08,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:18:08,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:18:08,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:18:08,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:18:08,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:18:08,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:18:08,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:18:08,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:18:08,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:18:08,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:18:08,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:18:08,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:18:08,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:18:08,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:18:08,816 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 [2019-10-07 15:18:08,848 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:18:08,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:18:08,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:18:08,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:18:08,854 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:18:08,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:18:08,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:18:08,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:18:08,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:18:08,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:18:08,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:18:08,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:18:08,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:18:08,859 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:18:08,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:18:08,859 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:18:08,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:18:08,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:18:08,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:18:08,860 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:18:08,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:18:08,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:08,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:18:08,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:18:08,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:18:08,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:18:08,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:18:08,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:18:08,862 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:18:09,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:18:09,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:18:09,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:18:09,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:18:09,199 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:18:09,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product64.cil.c [2019-10-07 15:18:09,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f31baa3/f965be4e02274d29b2965052b505c5a9/FLAGfed1f2caa [2019-10-07 15:18:09,824 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:18:09,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product64.cil.c [2019-10-07 15:18:09,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f31baa3/f965be4e02274d29b2965052b505c5a9/FLAGfed1f2caa [2019-10-07 15:18:10,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f31baa3/f965be4e02274d29b2965052b505c5a9 [2019-10-07 15:18:10,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:18:10,125 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:18:10,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:10,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:18:10,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:18:10,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:10" (1/1) ... [2019-10-07 15:18:10,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1faf1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:10, skipping insertion in model container [2019-10-07 15:18:10,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:10" (1/1) ... [2019-10-07 15:18:10,142 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:18:10,190 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:18:10,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:10,699 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:18:10,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:10,847 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:18:10,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:10 WrapperNode [2019-10-07 15:18:10,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:10,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:18:10,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:18:10,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:18:10,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:10" (1/1) ... [2019-10-07 15:18:10,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:10" (1/1) ... [2019-10-07 15:18:10,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:10" (1/1) ... [2019-10-07 15:18:10,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:10" (1/1) ... [2019-10-07 15:18:10,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:10" (1/1) ... [2019-10-07 15:18:10,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:10" (1/1) ... [2019-10-07 15:18:10,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:10" (1/1) ... [2019-10-07 15:18:10,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:18:10,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:18:10,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:18:10,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:18:10,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:10" (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 [2019-10-07 15:18:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:18:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:18:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:18:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:18:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:18:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:18:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:18:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:18:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:18:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:18:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:18:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:18:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:18:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:18:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:18:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:18:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:18:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:18:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:18:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:18:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:18:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:18:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:18:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:18:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:18:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:18:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:18:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:18:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:18:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:18:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:18:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:18:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:18:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:18:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:18:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:18:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:18:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:18:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:18:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:18:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:18:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:18:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:18:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:18:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:18:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:18:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:18:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:18:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:18:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:18:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:18:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:18:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:18:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:18:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:18:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:18:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:18:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:18:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:18:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:18:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:18:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:18:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:18:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:18:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:18:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:18:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:18:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:18:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:18:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:18:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:18:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:18:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:18:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:18:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:18:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:18:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:18:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:18:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:18:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:18:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:18:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:18:12,584 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:18:12,585 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:18:12,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:12 BoogieIcfgContainer [2019-10-07 15:18:12,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:18:12,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:18:12,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:18:12,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:18:12,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:18:10" (1/3) ... [2019-10-07 15:18:12,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ce6dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:12, skipping insertion in model container [2019-10-07 15:18:12,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:10" (2/3) ... [2019-10-07 15:18:12,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ce6dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:12, skipping insertion in model container [2019-10-07 15:18:12,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:12" (3/3) ... [2019-10-07 15:18:12,598 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product64.cil.c [2019-10-07 15:18:12,611 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:18:12,622 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:18:12,636 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:18:12,676 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:18:12,676 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:18:12,676 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:18:12,677 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:18:12,678 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:18:12,679 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:18:12,679 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:18:12,679 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:18:12,708 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2019-10-07 15:18:12,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:18:12,722 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:12,723 INFO L385 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] [2019-10-07 15:18:12,726 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:12,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:12,733 INFO L82 PathProgramCache]: Analyzing trace with hash 283778306, now seen corresponding path program 1 times [2019-10-07 15:18:12,742 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:12,742 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:12,742 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:12,742 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:12,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:13,118 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:13,119 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:13,120 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:18:13,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:18:13,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:18:13,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:13,138 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 2 states. [2019-10-07 15:18:13,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:13,193 INFO L93 Difference]: Finished difference Result 278 states and 343 transitions. [2019-10-07 15:18:13,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:18:13,195 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:18:13,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:13,209 INFO L225 Difference]: With dead ends: 278 [2019-10-07 15:18:13,210 INFO L226 Difference]: Without dead ends: 141 [2019-10-07 15:18:13,215 INFO L606 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 [2019-10-07 15:18:13,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-07 15:18:13,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-07 15:18:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-07 15:18:13,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2019-10-07 15:18:13,276 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 46 [2019-10-07 15:18:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:13,276 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2019-10-07 15:18:13,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:18:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2019-10-07 15:18:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:18:13,281 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:13,281 INFO L385 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] [2019-10-07 15:18:13,282 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:13,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:13,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1231722357, now seen corresponding path program 1 times [2019-10-07 15:18:13,282 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:13,283 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:13,283 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:13,283 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:13,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:13,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:13,424 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:13,424 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:13,424 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:13,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:13,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:13,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:13,427 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 3 states. [2019-10-07 15:18:13,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:13,475 INFO L93 Difference]: Finished difference Result 226 states and 268 transitions. [2019-10-07 15:18:13,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:13,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:18:13,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:13,479 INFO L225 Difference]: With dead ends: 226 [2019-10-07 15:18:13,480 INFO L226 Difference]: Without dead ends: 133 [2019-10-07 15:18:13,484 INFO L606 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 [2019-10-07 15:18:13,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-07 15:18:13,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-07 15:18:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-07 15:18:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2019-10-07 15:18:13,515 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 47 [2019-10-07 15:18:13,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:13,515 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2019-10-07 15:18:13,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:13,516 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2019-10-07 15:18:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:18:13,522 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:13,524 INFO L385 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] [2019-10-07 15:18:13,524 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:13,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:13,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1222362210, now seen corresponding path program 1 times [2019-10-07 15:18:13,525 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:13,526 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:13,526 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:13,527 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:13,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:13,715 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:13,716 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:13,716 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:13,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:13,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:13,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:13,717 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 7 states. [2019-10-07 15:18:14,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:14,226 INFO L93 Difference]: Finished difference Result 395 states and 480 transitions. [2019-10-07 15:18:14,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:14,227 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-07 15:18:14,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:14,231 INFO L225 Difference]: With dead ends: 395 [2019-10-07 15:18:14,231 INFO L226 Difference]: Without dead ends: 287 [2019-10-07 15:18:14,232 INFO L606 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 [2019-10-07 15:18:14,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-10-07 15:18:14,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 275. [2019-10-07 15:18:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2019-10-07 15:18:14,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 333 transitions. [2019-10-07 15:18:14,271 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 333 transitions. Word has length 51 [2019-10-07 15:18:14,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:14,272 INFO L462 AbstractCegarLoop]: Abstraction has 275 states and 333 transitions. [2019-10-07 15:18:14,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 333 transitions. [2019-10-07 15:18:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 15:18:14,274 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:14,275 INFO L385 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] [2019-10-07 15:18:14,275 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:14,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:14,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1675445681, now seen corresponding path program 1 times [2019-10-07 15:18:14,276 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:14,276 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:14,276 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:14,276 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:14,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:14,372 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:14,372 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:14,372 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:18:14,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:18:14,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:18:14,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:18:14,374 INFO L87 Difference]: Start difference. First operand 275 states and 333 transitions. Second operand 6 states. [2019-10-07 15:18:14,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:14,680 INFO L93 Difference]: Finished difference Result 757 states and 936 transitions. [2019-10-07 15:18:14,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:18:14,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-07 15:18:14,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:14,693 INFO L225 Difference]: With dead ends: 757 [2019-10-07 15:18:14,694 INFO L226 Difference]: Without dead ends: 507 [2019-10-07 15:18:14,696 INFO L606 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 [2019-10-07 15:18:14,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2019-10-07 15:18:14,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 495. [2019-10-07 15:18:14,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2019-10-07 15:18:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 603 transitions. [2019-10-07 15:18:14,783 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 603 transitions. Word has length 55 [2019-10-07 15:18:14,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:14,784 INFO L462 AbstractCegarLoop]: Abstraction has 495 states and 603 transitions. [2019-10-07 15:18:14,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:18:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 603 transitions. [2019-10-07 15:18:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:18:14,789 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:14,789 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:14,789 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:14,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:14,789 INFO L82 PathProgramCache]: Analyzing trace with hash 923417440, now seen corresponding path program 1 times [2019-10-07 15:18:14,790 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:14,790 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:14,790 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:14,790 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:14,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:14,928 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:14,928 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:14,928 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:14,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:14,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:14,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:14,931 INFO L87 Difference]: Start difference. First operand 495 states and 603 transitions. Second operand 7 states. [2019-10-07 15:18:15,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:15,659 INFO L93 Difference]: Finished difference Result 1315 states and 1722 transitions. [2019-10-07 15:18:15,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:18:15,659 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-07 15:18:15,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:15,669 INFO L225 Difference]: With dead ends: 1315 [2019-10-07 15:18:15,669 INFO L226 Difference]: Without dead ends: 845 [2019-10-07 15:18:15,672 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:18:15,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2019-10-07 15:18:15,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 756. [2019-10-07 15:18:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2019-10-07 15:18:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 908 transitions. [2019-10-07 15:18:15,731 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 908 transitions. Word has length 58 [2019-10-07 15:18:15,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:15,732 INFO L462 AbstractCegarLoop]: Abstraction has 756 states and 908 transitions. [2019-10-07 15:18:15,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:15,732 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 908 transitions. [2019-10-07 15:18:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-07 15:18:15,735 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:15,735 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:18:15,735 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:15,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:15,736 INFO L82 PathProgramCache]: Analyzing trace with hash 383580701, now seen corresponding path program 1 times [2019-10-07 15:18:15,736 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:15,736 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:15,736 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:15,737 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:15,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:18:15,938 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:15,938 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:15,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:16,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 15:18:16,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:18:16,205 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:16,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:18:16,385 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:18:16,385 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2019-10-07 15:18:16,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:16,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:16,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:18:16,387 INFO L87 Difference]: Start difference. First operand 756 states and 908 transitions. Second operand 3 states. [2019-10-07 15:18:16,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:16,456 INFO L93 Difference]: Finished difference Result 1077 states and 1320 transitions. [2019-10-07 15:18:16,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:16,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-10-07 15:18:16,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:16,464 INFO L225 Difference]: With dead ends: 1077 [2019-10-07 15:18:16,464 INFO L226 Difference]: Without dead ends: 1074 [2019-10-07 15:18:16,465 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:18:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2019-10-07 15:18:16,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1046. [2019-10-07 15:18:16,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2019-10-07 15:18:16,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1283 transitions. [2019-10-07 15:18:16,536 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1283 transitions. Word has length 94 [2019-10-07 15:18:16,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:16,540 INFO L462 AbstractCegarLoop]: Abstraction has 1046 states and 1283 transitions. [2019-10-07 15:18:16,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:16,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1283 transitions. [2019-10-07 15:18:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-07 15:18:16,549 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:16,549 INFO L385 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:16,750 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:16,750 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:16,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:16,751 INFO L82 PathProgramCache]: Analyzing trace with hash -935554266, now seen corresponding path program 1 times [2019-10-07 15:18:16,751 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:16,751 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:16,751 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:16,752 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:16,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:18:16,987 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:16,987 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:16,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:17,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:18:17,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:17,360 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-07 15:18:17,361 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:18:18,417 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:18,417 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 25 [2019-10-07 15:18:18,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:18:18,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:18:18,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:18:18,420 INFO L87 Difference]: Start difference. First operand 1046 states and 1283 transitions. Second operand 11 states. [2019-10-07 15:18:19,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:19,333 INFO L93 Difference]: Finished difference Result 2392 states and 3036 transitions. [2019-10-07 15:18:19,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:18:19,334 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2019-10-07 15:18:19,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:19,345 INFO L225 Difference]: With dead ends: 2392 [2019-10-07 15:18:19,345 INFO L226 Difference]: Without dead ends: 1371 [2019-10-07 15:18:19,350 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:18:19,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2019-10-07 15:18:19,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1357. [2019-10-07 15:18:19,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1357 states. [2019-10-07 15:18:19,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1660 transitions. [2019-10-07 15:18:19,467 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1660 transitions. Word has length 161 [2019-10-07 15:18:19,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:19,468 INFO L462 AbstractCegarLoop]: Abstraction has 1357 states and 1660 transitions. [2019-10-07 15:18:19,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:18:19,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1660 transitions. [2019-10-07 15:18:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-07 15:18:19,480 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:19,480 INFO L385 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-07 15:18:19,694 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:19,694 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:19,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:19,695 INFO L82 PathProgramCache]: Analyzing trace with hash 467629474, now seen corresponding path program 1 times [2019-10-07 15:18:19,695 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:19,695 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:19,695 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:19,695 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:19,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 39 proven. 18 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-07 15:18:19,967 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:19,967 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:20,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:18:20,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 15:18:20,441 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:21,256 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 54 proven. 12 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-10-07 15:18:21,257 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:21,257 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 32 [2019-10-07 15:18:21,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:18:21,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:18:21,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=885, Unknown=0, NotChecked=0, Total=992 [2019-10-07 15:18:21,259 INFO L87 Difference]: Start difference. First operand 1357 states and 1660 transitions. Second operand 11 states. [2019-10-07 15:18:22,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:22,167 INFO L93 Difference]: Finished difference Result 2910 states and 3623 transitions. [2019-10-07 15:18:22,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:18:22,168 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2019-10-07 15:18:22,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:22,170 INFO L225 Difference]: With dead ends: 2910 [2019-10-07 15:18:22,170 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:18:22,177 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=1117, Unknown=0, NotChecked=0, Total=1260 [2019-10-07 15:18:22,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:18:22,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:18:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:18:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:18:22,179 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2019-10-07 15:18:22,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:22,179 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:18:22,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:18:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:18:22,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:18:22,385 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:22,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:18:24,064 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 19 [2019-10-07 15:18:25,614 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2019-10-07 15:18:25,936 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 762) no Hoare annotation was computed. [2019-10-07 15:18:25,936 INFO L443 ceAbstractionStarter]: For program point L752-2(lines 752 773) no Hoare annotation was computed. [2019-10-07 15:18:25,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 727 782) no Hoare annotation was computed. [2019-10-07 15:18:25,936 INFO L443 ceAbstractionStarter]: For program point L774(lines 751 775) no Hoare annotation was computed. [2019-10-07 15:18:25,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 727 782) no Hoare annotation was computed. [2019-10-07 15:18:25,936 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-07 15:18:25,937 INFO L443 ceAbstractionStarter]: For program point L828-1(line 828) no Hoare annotation was computed. [2019-10-07 15:18:25,937 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 783 842) no Hoare annotation was computed. [2019-10-07 15:18:25,937 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 819) no Hoare annotation was computed. [2019-10-07 15:18:25,937 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 783 842) no Hoare annotation was computed. [2019-10-07 15:18:25,937 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 783 842) no Hoare annotation was computed. [2019-10-07 15:18:25,937 INFO L443 ceAbstractionStarter]: For program point L809-2(lines 809 834) no Hoare annotation was computed. [2019-10-07 15:18:25,937 INFO L443 ceAbstractionStarter]: For program point L835(lines 808 836) no Hoare annotation was computed. [2019-10-07 15:18:25,937 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-07 15:18:25,937 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-07 15:18:25,937 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-07 15:18:25,937 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-07 15:18:25,938 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 651 673) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:25,938 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 651 673) no Hoare annotation was computed. [2019-10-07 15:18:25,938 INFO L439 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-07 15:18:25,938 INFO L439 ceAbstractionStarter]: At program point L663-1(line 663) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-07 15:18:25,938 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 668) no Hoare annotation was computed. [2019-10-07 15:18:25,938 INFO L443 ceAbstractionStarter]: For program point L661-1(lines 661 668) no Hoare annotation was computed. [2019-10-07 15:18:25,938 INFO L443 ceAbstractionStarter]: For program point L659(line 659) no Hoare annotation was computed. [2019-10-07 15:18:25,938 INFO L439 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:25,938 INFO L439 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:25,939 INFO L439 ceAbstractionStarter]: At program point L657-1(line 657) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:25,939 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 609 632) no Hoare annotation was computed. [2019-10-07 15:18:25,939 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 609 632) no Hoare annotation was computed. [2019-10-07 15:18:25,939 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 609 632) no Hoare annotation was computed. [2019-10-07 15:18:25,939 INFO L443 ceAbstractionStarter]: For program point L627(line 627) no Hoare annotation was computed. [2019-10-07 15:18:25,939 INFO L443 ceAbstractionStarter]: For program point L626(line 626) no Hoare annotation was computed. [2019-10-07 15:18:25,939 INFO L443 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2019-10-07 15:18:25,939 INFO L443 ceAbstractionStarter]: For program point L624(line 624) no Hoare annotation was computed. [2019-10-07 15:18:25,939 INFO L443 ceAbstractionStarter]: For program point L623(line 623) no Hoare annotation was computed. [2019-10-07 15:18:25,939 INFO L443 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2019-10-07 15:18:25,939 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-10-07 15:18:25,939 INFO L443 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2019-10-07 15:18:25,940 INFO L443 ceAbstractionStarter]: For program point L619(line 619) no Hoare annotation was computed. [2019-10-07 15:18:25,940 INFO L443 ceAbstractionStarter]: For program point L618(line 618) no Hoare annotation was computed. [2019-10-07 15:18:25,940 INFO L443 ceAbstractionStarter]: For program point L617(line 617) no Hoare annotation was computed. [2019-10-07 15:18:25,940 INFO L443 ceAbstractionStarter]: For program point L616(line 616) no Hoare annotation was computed. [2019-10-07 15:18:25,940 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-07 15:18:25,940 INFO L443 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2019-10-07 15:18:25,940 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 168) no Hoare annotation was computed. [2019-10-07 15:18:25,940 INFO L439 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:25,940 INFO L443 ceAbstractionStarter]: For program point L158-1(line 158) no Hoare annotation was computed. [2019-10-07 15:18:25,940 INFO L443 ceAbstractionStarter]: For program point L156(lines 156 173) no Hoare annotation was computed. [2019-10-07 15:18:25,941 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 152 176) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:25,941 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 152 176) no Hoare annotation was computed. [2019-10-07 15:18:25,941 INFO L439 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:18:25,941 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 152 176) no Hoare annotation was computed. [2019-10-07 15:18:25,941 INFO L439 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:25,941 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:25,942 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 330 344) no Hoare annotation was computed. [2019-10-07 15:18:25,942 INFO L439 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~systemActive~0)| 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1)) .cse0))) [2019-10-07 15:18:25,942 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 340) no Hoare annotation was computed. [2019-10-07 15:18:25,942 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 330 344) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~systemActive~0)| 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1)) .cse0) (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:25,942 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 247 255) no Hoare annotation was computed. [2019-10-07 15:18:25,942 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 247 255) the Hoare annotation is: true [2019-10-07 15:18:25,942 INFO L446 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: true [2019-10-07 15:18:25,942 INFO L443 ceAbstractionStarter]: For program point L318-1(line 318) no Hoare annotation was computed. [2019-10-07 15:18:25,943 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 311 329) the Hoare annotation is: true [2019-10-07 15:18:25,943 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 311 329) no Hoare annotation was computed. [2019-10-07 15:18:25,943 INFO L443 ceAbstractionStarter]: For program point L286(line 286) no Hoare annotation was computed. [2019-10-07 15:18:25,943 INFO L443 ceAbstractionStarter]: For program point L286-1(line 286) no Hoare annotation was computed. [2019-10-07 15:18:25,943 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 256 291) no Hoare annotation was computed. [2019-10-07 15:18:25,943 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 256 291) no Hoare annotation was computed. [2019-10-07 15:18:25,943 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-07 15:18:25,943 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-07 15:18:25,944 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 681 726) no Hoare annotation was computed. [2019-10-07 15:18:25,944 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 681 726) no Hoare annotation was computed. [2019-10-07 15:18:25,944 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 994 1039) no Hoare annotation was computed. [2019-10-07 15:18:25,944 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 994 1039) no Hoare annotation was computed. [2019-10-07 15:18:25,944 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 640 650) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:25,944 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 640 650) no Hoare annotation was computed. [2019-10-07 15:18:25,944 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 640 650) no Hoare annotation was computed. [2019-10-07 15:18:25,944 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:25,945 INFO L446 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: true [2019-10-07 15:18:25,945 INFO L443 ceAbstractionStarter]: For program point L241-1(line 241) no Hoare annotation was computed. [2019-10-07 15:18:25,945 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 236 246) the Hoare annotation is: true [2019-10-07 15:18:25,945 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 236 246) no Hoare annotation was computed. [2019-10-07 15:18:25,945 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 228 235) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:18:25,945 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 228 235) no Hoare annotation was computed. [2019-10-07 15:18:25,945 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 554 567) no Hoare annotation was computed. [2019-10-07 15:18:25,945 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 554 567) the Hoare annotation is: true [2019-10-07 15:18:25,946 INFO L439 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-07 15:18:25,946 INFO L439 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-07 15:18:25,946 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 194) no Hoare annotation was computed. [2019-10-07 15:18:25,946 INFO L439 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:25,946 INFO L443 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2019-10-07 15:18:25,946 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 178 202) no Hoare annotation was computed. [2019-10-07 15:18:25,946 INFO L443 ceAbstractionStarter]: For program point L182(lines 182 199) no Hoare annotation was computed. [2019-10-07 15:18:25,946 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 178 202) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:18:25,947 INFO L439 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:18:25,947 INFO L443 ceAbstractionStarter]: For program point L197-1(lines 178 202) no Hoare annotation was computed. [2019-10-07 15:18:25,947 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 118 124) no Hoare annotation was computed. [2019-10-07 15:18:25,947 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 118 124) the Hoare annotation is: true [2019-10-07 15:18:25,947 INFO L439 ceAbstractionStarter]: At program point L417(lines 366 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:25,947 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 357 424) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:25,948 INFO L439 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:18:25,948 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 357 424) no Hoare annotation was computed. [2019-10-07 15:18:25,948 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2019-10-07 15:18:25,948 INFO L439 ceAbstractionStarter]: At program point L405-1(lines 397 412) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:18:25,948 INFO L443 ceAbstractionStarter]: For program point L368(lines 367 416) no Hoare annotation was computed. [2019-10-07 15:18:25,948 INFO L439 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (or (and (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:25,949 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 412) no Hoare annotation was computed. [2019-10-07 15:18:25,949 INFO L439 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:18:25,949 INFO L443 ceAbstractionStarter]: For program point L387(lines 387 393) no Hoare annotation was computed. [2019-10-07 15:18:25,949 INFO L443 ceAbstractionStarter]: For program point L387-1(lines 387 393) no Hoare annotation was computed. [2019-10-07 15:18:25,949 INFO L439 ceAbstractionStarter]: At program point L414(lines 367 416) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:18:25,949 INFO L439 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:18:25,950 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 383) no Hoare annotation was computed. [2019-10-07 15:18:25,950 INFO L443 ceAbstractionStarter]: For program point L377-1(lines 377 383) no Hoare annotation was computed. [2019-10-07 15:18:25,950 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 357 424) no Hoare annotation was computed. [2019-10-07 15:18:25,950 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 948 993) no Hoare annotation was computed. [2019-10-07 15:18:25,950 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 948 993) no Hoare annotation was computed. [2019-10-07 15:18:25,950 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 203 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:18:25,950 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 203 210) no Hoare annotation was computed. [2019-10-07 15:18:25,950 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 568 576) the Hoare annotation is: true [2019-10-07 15:18:25,950 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 568 576) no Hoare annotation was computed. [2019-10-07 15:18:25,951 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-10-07 15:18:25,951 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 444 472) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse4 .cse1) (or .cse4 .cse1 .cse2 .cse3))) [2019-10-07 15:18:25,951 INFO L439 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (and (not (= 0 ~pumpRunning~0)) (or (= ~systemActive~0 0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)))) [2019-10-07 15:18:25,951 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 463) no Hoare annotation was computed. [2019-10-07 15:18:25,951 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 466) no Hoare annotation was computed. [2019-10-07 15:18:25,951 INFO L439 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-07 15:18:25,952 INFO L443 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2019-10-07 15:18:25,952 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 469) no Hoare annotation was computed. [2019-10-07 15:18:25,952 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 444 472) no Hoare annotation was computed. [2019-10-07 15:18:25,952 INFO L443 ceAbstractionStarter]: For program point L452-1(lines 444 472) no Hoare annotation was computed. [2019-10-07 15:18:25,952 INFO L439 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse4 .cse1) (or .cse4 .cse1 .cse2 .cse3))) [2019-10-07 15:18:25,952 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 522 544) no Hoare annotation was computed. [2019-10-07 15:18:25,952 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 522 544) no Hoare annotation was computed. [2019-10-07 15:18:25,953 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 436 443) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:18:25,953 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 436 443) no Hoare annotation was computed. [2019-10-07 15:18:25,953 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:18:25,953 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:18:25,953 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 845 947) no Hoare annotation was computed. [2019-10-07 15:18:25,953 INFO L443 ceAbstractionStarter]: For program point L894-2(lines 894 914) no Hoare annotation was computed. [2019-10-07 15:18:25,953 INFO L443 ceAbstractionStarter]: For program point L915(lines 893 916) no Hoare annotation was computed. [2019-10-07 15:18:25,953 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 890) no Hoare annotation was computed. [2019-10-07 15:18:25,954 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 845 947) no Hoare annotation was computed. [2019-10-07 15:18:25,954 INFO L443 ceAbstractionStarter]: For program point L895(lines 894 914) no Hoare annotation was computed. [2019-10-07 15:18:25,954 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-10-07 15:18:25,954 INFO L443 ceAbstractionStarter]: For program point L926-1(line 926) no Hoare annotation was computed. [2019-10-07 15:18:25,954 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 932) no Hoare annotation was computed. [2019-10-07 15:18:25,954 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 845 947) no Hoare annotation was computed. [2019-10-07 15:18:25,954 INFO L443 ceAbstractionStarter]: For program point L910(line 910) no Hoare annotation was computed. [2019-10-07 15:18:25,954 INFO L443 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2019-10-07 15:18:25,954 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 873) no Hoare annotation was computed. [2019-10-07 15:18:25,955 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:18:25,955 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:25,955 INFO L439 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:18:25,955 INFO L443 ceAbstractionStarter]: For program point L222-1(lines 211 227) no Hoare annotation was computed. [2019-10-07 15:18:25,955 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 211 227) no Hoare annotation was computed. [2019-10-07 15:18:25,955 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 224) no Hoare annotation was computed. [2019-10-07 15:18:25,955 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 211 227) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:18:25,956 INFO L439 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:18:25,956 INFO L443 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2019-10-07 15:18:25,956 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 292 310) no Hoare annotation was computed. [2019-10-07 15:18:25,956 INFO L446 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2019-10-07 15:18:25,956 INFO L443 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2019-10-07 15:18:25,956 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 292 310) the Hoare annotation is: true [2019-10-07 15:18:25,956 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 545 553) no Hoare annotation was computed. [2019-10-07 15:18:25,956 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 545 553) no Hoare annotation was computed. [2019-10-07 15:18:25,957 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 501 512) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (or (not (= 0 ~pumpRunning~0)) .cse2)) (or .cse1 .cse0 (or (= ~systemActive~0 0) .cse2)))) [2019-10-07 15:18:25,957 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 501 512) no Hoare annotation was computed. [2019-10-07 15:18:25,957 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:25,957 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:18:25,957 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 513 521) the Hoare annotation is: true [2019-10-07 15:18:25,957 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 513 521) no Hoare annotation was computed. [2019-10-07 15:18:25,957 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 94 117) the Hoare annotation is: (let ((.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (= ~systemActive~0 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)) (or (and (= ~pumpRunning~0 0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:25,958 INFO L439 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~systemActive~0 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0))))) [2019-10-07 15:18:25,958 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 94 117) no Hoare annotation was computed. [2019-10-07 15:18:25,958 INFO L439 ceAbstractionStarter]: At program point L105(lines 105 111) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (and (= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0)) .cse4)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (= ~systemActive~0 0) (and .cse2 .cse4) .cse1 .cse3)))) [2019-10-07 15:18:25,958 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 94 117) no Hoare annotation was computed. [2019-10-07 15:18:25,958 INFO L439 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~systemActive~0 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0))))) [2019-10-07 15:18:25,958 INFO L443 ceAbstractionStarter]: For program point L98(lines 97 116) no Hoare annotation was computed. [2019-10-07 15:18:25,958 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 579 608) no Hoare annotation was computed. [2019-10-07 15:18:25,959 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 579 608) the Hoare annotation is: true [2019-10-07 15:18:25,959 INFO L446 ceAbstractionStarter]: At program point L604(lines 579 608) the Hoare annotation is: true [2019-10-07 15:18:25,959 INFO L443 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-10-07 15:18:25,959 INFO L443 ceAbstractionStarter]: For program point L593(lines 593 597) no Hoare annotation was computed. [2019-10-07 15:18:25,959 INFO L446 ceAbstractionStarter]: At program point L593-1(lines 593 597) the Hoare annotation is: true [2019-10-07 15:18:25,959 INFO L446 ceAbstractionStarter]: At program point L589-2(lines 589 603) the Hoare annotation is: true [2019-10-07 15:18:25,959 INFO L446 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: true [2019-10-07 15:18:25,960 INFO L443 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2019-10-07 15:18:25,960 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 477 488) the Hoare annotation is: true [2019-10-07 15:18:25,960 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 477 488) no Hoare annotation was computed. [2019-10-07 15:18:25,960 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 633 639) no Hoare annotation was computed. [2019-10-07 15:18:25,960 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 633 639) the Hoare annotation is: true [2019-10-07 15:18:25,960 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:25,960 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-07 15:18:25,960 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:25,961 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:18:25,961 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 345 352) no Hoare annotation was computed. [2019-10-07 15:18:25,961 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 345 352) the Hoare annotation is: true [2019-10-07 15:18:25,961 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 126 150) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:25,961 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 126 150) no Hoare annotation was computed. [2019-10-07 15:18:25,961 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:25,962 INFO L443 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2019-10-07 15:18:25,962 INFO L439 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:18:25,962 INFO L439 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:18:25,962 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2019-10-07 15:18:25,962 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:18:25,962 INFO L443 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2019-10-07 15:18:25,963 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2019-10-07 15:18:25,963 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 489 500) no Hoare annotation was computed. [2019-10-07 15:18:25,963 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 489 500) the Hoare annotation is: true [2019-10-07 15:18:25,963 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 426 433) the Hoare annotation is: true [2019-10-07 15:18:25,963 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2019-10-07 15:18:25,963 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 426 433) no Hoare annotation was computed. [2019-10-07 15:18:25,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:18:25 BoogieIcfgContainer [2019-10-07 15:18:25,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:18:25,980 INFO L168 Benchmark]: Toolchain (without parser) took 15854.66 ms. Allocated memory was 142.1 MB in the beginning and 487.6 MB in the end (delta: 345.5 MB). Free memory was 102.0 MB in the beginning and 303.9 MB in the end (delta: -201.9 MB). Peak memory consumption was 300.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:25,981 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:18:25,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.00 ms. Allocated memory was 142.1 MB in the beginning and 202.9 MB in the end (delta: 60.8 MB). Free memory was 101.6 MB in the beginning and 169.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:25,983 INFO L168 Benchmark]: Boogie Preprocessor took 107.85 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:25,984 INFO L168 Benchmark]: RCFGBuilder took 1629.97 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.7 MB in the beginning and 142.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:25,985 INFO L168 Benchmark]: TraceAbstraction took 13389.92 ms. Allocated memory was 236.5 MB in the beginning and 487.6 MB in the end (delta: 251.1 MB). Free memory was 142.8 MB in the beginning and 303.9 MB in the end (delta: -161.1 MB). Peak memory consumption was 247.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:25,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 722.00 ms. Allocated memory was 142.1 MB in the beginning and 202.9 MB in the end (delta: 60.8 MB). Free memory was 101.6 MB in the beginning and 169.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.85 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1629.97 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.7 MB in the beginning and 142.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13389.92 ms. Allocated memory was 236.5 MB in the beginning and 487.6 MB in the end (delta: 251.1 MB). Free memory was 142.8 MB in the beginning and 303.9 MB in the end (delta: -161.1 MB). Peak memory consumption was 247.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 430]: 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: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && pumpRunning == 0) && 0 == methAndRunningLastTime) - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 213 locations, 1 error locations. Result: SAFE, OverallTime: 13.2s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, HoareTripleCheckerStatistics: 1410 SDtfs, 869 SDslu, 3572 SDs, 0 SdLazy, 2235 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1065 GetRequests, 964 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1357occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 155 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 2661 PreInvPairs, 2823 NumberOfFragments, 1489 HoareAnnotationTreeSize, 2661 FomulaSimplifications, 3450 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 75 FomulaSimplificationsInter, 7033 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1211 NumberOfCodeBlocks, 1211 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1674 ConstructedInterpolants, 0 QuantifiedInterpolants, 408531 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2907 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 581/636 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...