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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:04,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:04,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:04,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:04,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:04,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:04,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:04,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:04,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:04,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:04,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:04,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:04,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:04,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:04,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:04,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:04,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:04,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:04,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:04,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:04,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:04,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:04,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:04,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:04,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:04,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:04,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:04,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:04,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:04,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:04,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:04,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:04,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:04,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:04,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:04,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:04,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:04,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:04,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:04,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:04,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:04,752 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 [2019-10-15 01:19:04,771 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:04,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:04,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:04,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:04,774 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:04,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:04,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:04,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:04,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:04,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:04,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:04,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:04,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:04,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:04,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:04,777 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:04,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:04,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:04,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:04,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:04,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:04,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:04,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:04,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:04,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:04,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:04,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:04,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:04,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:19:05,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:05,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:05,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:05,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:05,104 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:05,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-10-15 01:19:05,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bea4ce35/2884ff18f32646a38fcdb0c33f40afa5/FLAGaa26187c8 [2019-10-15 01:19:05,727 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:05,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-10-15 01:19:05,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bea4ce35/2884ff18f32646a38fcdb0c33f40afa5/FLAGaa26187c8 [2019-10-15 01:19:05,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bea4ce35/2884ff18f32646a38fcdb0c33f40afa5 [2019-10-15 01:19:05,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:05,975 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:05,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:05,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:05,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:05,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:05" (1/1) ... [2019-10-15 01:19:05,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9061149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05, skipping insertion in model container [2019-10-15 01:19:05,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:05" (1/1) ... [2019-10-15 01:19:05,996 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:06,049 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:06,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:06,552 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:06,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:06,678 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:06,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06 WrapperNode [2019-10-15 01:19:06,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:06,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:06,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:06,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:06,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06" (1/1) ... [2019-10-15 01:19:06,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06" (1/1) ... [2019-10-15 01:19:06,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06" (1/1) ... [2019-10-15 01:19:06,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06" (1/1) ... [2019-10-15 01:19:06,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06" (1/1) ... [2019-10-15 01:19:06,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06" (1/1) ... [2019-10-15 01:19:06,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06" (1/1) ... [2019-10-15 01:19:06,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:06,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:06,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:06,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:06,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06" (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 [2019-10-15 01:19:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:19:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:19:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:08,129 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:08,129 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:08,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:08 BoogieIcfgContainer [2019-10-15 01:19:08,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:08,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:08,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:08,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:08,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:05" (1/3) ... [2019-10-15 01:19:08,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186a5038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:08, skipping insertion in model container [2019-10-15 01:19:08,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06" (2/3) ... [2019-10-15 01:19:08,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186a5038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:08, skipping insertion in model container [2019-10-15 01:19:08,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:08" (3/3) ... [2019-10-15 01:19:08,140 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2019-10-15 01:19:08,151 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:08,163 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:08,174 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:08,201 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:08,201 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:08,201 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:08,201 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:08,201 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:08,202 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:08,202 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:08,202 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:08,225 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-15 01:19:08,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:19:08,234 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:08,235 INFO L380 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] [2019-10-15 01:19:08,238 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:08,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:08,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1417441614, now seen corresponding path program 1 times [2019-10-15 01:19:08,252 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:08,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145365540] [2019-10-15 01:19:08,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:08,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:08,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:08,657 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145365540] [2019-10-15 01:19:08,658 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:08,659 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:08,659 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369437871] [2019-10-15 01:19:08,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:08,666 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:08,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:08,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:08,684 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-10-15 01:19:08,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:08,728 INFO L93 Difference]: Finished difference Result 268 states and 333 transitions. [2019-10-15 01:19:08,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:08,730 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:19:08,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:08,742 INFO L225 Difference]: With dead ends: 268 [2019-10-15 01:19:08,742 INFO L226 Difference]: Without dead ends: 134 [2019-10-15 01:19:08,747 INFO L600 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 [2019-10-15 01:19:08,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-15 01:19:08,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-15 01:19:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-15 01:19:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2019-10-15 01:19:08,806 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2019-10-15 01:19:08,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:08,807 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2019-10-15 01:19:08,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:08,807 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2019-10-15 01:19:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:19:08,811 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:08,811 INFO L380 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] [2019-10-15 01:19:08,812 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:08,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:08,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1689810546, now seen corresponding path program 1 times [2019-10-15 01:19:08,813 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:08,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735624698] [2019-10-15 01:19:08,813 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:08,813 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:08,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:08,945 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735624698] [2019-10-15 01:19:08,945 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:08,945 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:08,946 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503364942] [2019-10-15 01:19:08,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:08,950 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:08,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:08,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:08,951 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2019-10-15 01:19:08,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:08,997 INFO L93 Difference]: Finished difference Result 213 states and 251 transitions. [2019-10-15 01:19:08,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:08,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:19:08,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:09,000 INFO L225 Difference]: With dead ends: 213 [2019-10-15 01:19:09,001 INFO L226 Difference]: Without dead ends: 125 [2019-10-15 01:19:09,002 INFO L600 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 [2019-10-15 01:19:09,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-15 01:19:09,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-15 01:19:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-15 01:19:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2019-10-15 01:19:09,020 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2019-10-15 01:19:09,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:09,020 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2019-10-15 01:19:09,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:09,020 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2019-10-15 01:19:09,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:19:09,023 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:09,023 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:09,023 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:09,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:09,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1011180464, now seen corresponding path program 1 times [2019-10-15 01:19:09,024 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:09,024 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734097168] [2019-10-15 01:19:09,025 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,025 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:09,222 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734097168] [2019-10-15 01:19:09,222 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:09,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:09,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611306407] [2019-10-15 01:19:09,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:09,224 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:09,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:09,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:09,224 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 7 states. [2019-10-15 01:19:09,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:09,599 INFO L93 Difference]: Finished difference Result 226 states and 269 transitions. [2019-10-15 01:19:09,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:09,600 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-15 01:19:09,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:09,602 INFO L225 Difference]: With dead ends: 226 [2019-10-15 01:19:09,603 INFO L226 Difference]: Without dead ends: 125 [2019-10-15 01:19:09,604 INFO L600 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 [2019-10-15 01:19:09,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-15 01:19:09,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-15 01:19:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-15 01:19:09,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2019-10-15 01:19:09,624 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 52 [2019-10-15 01:19:09,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:09,624 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2019-10-15 01:19:09,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:09,625 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2019-10-15 01:19:09,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 01:19:09,628 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:09,628 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:09,629 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:09,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:09,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1017334303, now seen corresponding path program 1 times [2019-10-15 01:19:09,629 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:09,630 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380969581] [2019-10-15 01:19:09,630 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,630 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:09,820 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380969581] [2019-10-15 01:19:09,821 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:09,821 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:19:09,821 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891468510] [2019-10-15 01:19:09,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:09,822 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:09,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:09,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:19:09,823 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 5 states. [2019-10-15 01:19:10,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:10,417 INFO L93 Difference]: Finished difference Result 332 states and 400 transitions. [2019-10-15 01:19:10,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:10,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-15 01:19:10,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:10,427 INFO L225 Difference]: With dead ends: 332 [2019-10-15 01:19:10,427 INFO L226 Difference]: Without dead ends: 231 [2019-10-15 01:19:10,429 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:10,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-10-15 01:19:10,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 212. [2019-10-15 01:19:10,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-10-15 01:19:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 241 transitions. [2019-10-15 01:19:10,490 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 241 transitions. Word has length 65 [2019-10-15 01:19:10,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:10,491 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 241 transitions. [2019-10-15 01:19:10,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 241 transitions. [2019-10-15 01:19:10,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-15 01:19:10,503 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:10,504 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:10,504 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:10,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:10,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1244154125, now seen corresponding path program 1 times [2019-10-15 01:19:10,508 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:10,508 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132314318] [2019-10-15 01:19:10,508 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,509 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:10,615 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132314318] [2019-10-15 01:19:10,615 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:10,615 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:10,616 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646269650] [2019-10-15 01:19:10,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:10,616 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:10,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:10,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:10,617 INFO L87 Difference]: Start difference. First operand 212 states and 241 transitions. Second operand 6 states. [2019-10-15 01:19:10,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:10,854 INFO L93 Difference]: Finished difference Result 573 states and 673 transitions. [2019-10-15 01:19:10,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:10,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-10-15 01:19:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:10,859 INFO L225 Difference]: With dead ends: 573 [2019-10-15 01:19:10,860 INFO L226 Difference]: Without dead ends: 385 [2019-10-15 01:19:10,862 INFO L600 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 [2019-10-15 01:19:10,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-10-15 01:19:10,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 379. [2019-10-15 01:19:10,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-10-15 01:19:10,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 432 transitions. [2019-10-15 01:19:10,919 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 432 transitions. Word has length 79 [2019-10-15 01:19:10,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:10,920 INFO L462 AbstractCegarLoop]: Abstraction has 379 states and 432 transitions. [2019-10-15 01:19:10,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:10,920 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 432 transitions. [2019-10-15 01:19:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 01:19:10,923 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:10,923 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:10,923 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:10,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:10,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1996569391, now seen corresponding path program 1 times [2019-10-15 01:19:10,924 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:10,924 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56478057] [2019-10-15 01:19:10,925 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,925 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:11,066 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56478057] [2019-10-15 01:19:11,067 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:11,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:11,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208940513] [2019-10-15 01:19:11,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:11,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:11,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:11,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:11,069 INFO L87 Difference]: Start difference. First operand 379 states and 432 transitions. Second operand 7 states. [2019-10-15 01:19:11,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:11,711 INFO L93 Difference]: Finished difference Result 414 states and 486 transitions. [2019-10-15 01:19:11,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:11,712 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2019-10-15 01:19:11,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:11,715 INFO L225 Difference]: With dead ends: 414 [2019-10-15 01:19:11,716 INFO L226 Difference]: Without dead ends: 411 [2019-10-15 01:19:11,717 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:19:11,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2019-10-15 01:19:11,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 379. [2019-10-15 01:19:11,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-10-15 01:19:11,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 431 transitions. [2019-10-15 01:19:11,745 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 431 transitions. Word has length 83 [2019-10-15 01:19:11,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:11,746 INFO L462 AbstractCegarLoop]: Abstraction has 379 states and 431 transitions. [2019-10-15 01:19:11,746 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:11,746 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 431 transitions. [2019-10-15 01:19:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:19:11,748 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:11,749 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:11,749 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:11,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:11,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1098775200, now seen corresponding path program 1 times [2019-10-15 01:19:11,750 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:11,750 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105862918] [2019-10-15 01:19:11,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:11,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105862918] [2019-10-15 01:19:11,876 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:11,877 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:11,877 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402316014] [2019-10-15 01:19:11,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:11,878 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:11,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:11,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:11,879 INFO L87 Difference]: Start difference. First operand 379 states and 431 transitions. Second operand 6 states. [2019-10-15 01:19:11,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:11,926 INFO L93 Difference]: Finished difference Result 748 states and 870 transitions. [2019-10-15 01:19:11,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:11,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-10-15 01:19:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:11,930 INFO L225 Difference]: With dead ends: 748 [2019-10-15 01:19:11,930 INFO L226 Difference]: Without dead ends: 393 [2019-10-15 01:19:11,932 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:11,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-10-15 01:19:11,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2019-10-15 01:19:11,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-15 01:19:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2019-10-15 01:19:11,968 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 99 [2019-10-15 01:19:11,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:11,969 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2019-10-15 01:19:11,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2019-10-15 01:19:11,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:19:11,980 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:11,981 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:11,983 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:11,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:11,983 INFO L82 PathProgramCache]: Analyzing trace with hash -205288862, now seen corresponding path program 1 times [2019-10-15 01:19:11,983 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:11,984 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952642117] [2019-10-15 01:19:11,986 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,986 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:12,091 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952642117] [2019-10-15 01:19:12,091 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:12,091 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:12,091 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788344516] [2019-10-15 01:19:12,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:12,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:12,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:12,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:12,093 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 8 states. [2019-10-15 01:19:12,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:12,148 INFO L93 Difference]: Finished difference Result 768 states and 892 transitions. [2019-10-15 01:19:12,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:12,149 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-10-15 01:19:12,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:12,152 INFO L225 Difference]: With dead ends: 768 [2019-10-15 01:19:12,153 INFO L226 Difference]: Without dead ends: 403 [2019-10-15 01:19:12,154 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:12,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-15 01:19:12,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 397. [2019-10-15 01:19:12,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-10-15 01:19:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 449 transitions. [2019-10-15 01:19:12,180 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 449 transitions. Word has length 99 [2019-10-15 01:19:12,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:12,183 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 449 transitions. [2019-10-15 01:19:12,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:12,183 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 449 transitions. [2019-10-15 01:19:12,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:19:12,187 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:12,187 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:12,187 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:12,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:12,188 INFO L82 PathProgramCache]: Analyzing trace with hash -213048221, now seen corresponding path program 1 times [2019-10-15 01:19:12,188 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:12,188 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632389531] [2019-10-15 01:19:12,188 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,189 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:12,329 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632389531] [2019-10-15 01:19:12,330 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:12,331 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:12,332 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303869729] [2019-10-15 01:19:12,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:12,333 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:12,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:12,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:12,333 INFO L87 Difference]: Start difference. First operand 397 states and 449 transitions. Second operand 4 states. [2019-10-15 01:19:12,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:12,618 INFO L93 Difference]: Finished difference Result 1179 states and 1402 transitions. [2019-10-15 01:19:12,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:12,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-10-15 01:19:12,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:12,628 INFO L225 Difference]: With dead ends: 1179 [2019-10-15 01:19:12,628 INFO L226 Difference]: Without dead ends: 806 [2019-10-15 01:19:12,630 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2019-10-15 01:19:12,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 791. [2019-10-15 01:19:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-10-15 01:19:12,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 921 transitions. [2019-10-15 01:19:12,698 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 921 transitions. Word has length 99 [2019-10-15 01:19:12,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:12,701 INFO L462 AbstractCegarLoop]: Abstraction has 791 states and 921 transitions. [2019-10-15 01:19:12,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:12,701 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 921 transitions. [2019-10-15 01:19:12,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:12,703 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:12,703 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:12,704 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:12,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:12,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1140072279, now seen corresponding path program 1 times [2019-10-15 01:19:12,705 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:12,705 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421265610] [2019-10-15 01:19:12,705 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,705 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:12,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:12,943 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421265610] [2019-10-15 01:19:12,944 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176340392] [2019-10-15 01:19:12,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:13,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:13,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:13,379 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:14,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:14,477 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:14,477 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:14,477 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984354136] [2019-10-15 01:19:14,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:14,478 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:14,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:14,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:14,479 INFO L87 Difference]: Start difference. First operand 791 states and 921 transitions. Second operand 8 states. [2019-10-15 01:19:14,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:14,982 INFO L93 Difference]: Finished difference Result 1530 states and 1792 transitions. [2019-10-15 01:19:14,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:14,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-15 01:19:14,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:14,987 INFO L225 Difference]: With dead ends: 1530 [2019-10-15 01:19:14,987 INFO L226 Difference]: Without dead ends: 763 [2019-10-15 01:19:14,990 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:14,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2019-10-15 01:19:15,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 763. [2019-10-15 01:19:15,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2019-10-15 01:19:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 875 transitions. [2019-10-15 01:19:15,037 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 875 transitions. Word has length 103 [2019-10-15 01:19:15,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:15,037 INFO L462 AbstractCegarLoop]: Abstraction has 763 states and 875 transitions. [2019-10-15 01:19:15,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:15,037 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 875 transitions. [2019-10-15 01:19:15,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-15 01:19:15,041 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:15,042 INFO L380 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:15,248 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:15,249 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1934361844, now seen corresponding path program 1 times [2019-10-15 01:19:15,250 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,250 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507415450] [2019-10-15 01:19:15,251 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,251 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:15,438 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507415450] [2019-10-15 01:19:15,439 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734363151] [2019-10-15 01:19:15,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:15,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:15,846 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:16,380 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:16,380 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:16,381 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824550966] [2019-10-15 01:19:16,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:16,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:16,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:16,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:16,383 INFO L87 Difference]: Start difference. First operand 763 states and 875 transitions. Second operand 8 states. [2019-10-15 01:19:16,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:16,681 INFO L93 Difference]: Finished difference Result 1295 states and 1502 transitions. [2019-10-15 01:19:16,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:16,682 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2019-10-15 01:19:16,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:16,683 INFO L225 Difference]: With dead ends: 1295 [2019-10-15 01:19:16,683 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:16,688 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:16,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:16,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:16,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-10-15 01:19:16,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:16,690 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:16,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:16,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:16,898 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:16,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:17,660 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2019-10-15 01:19:17,874 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2019-10-15 01:19:18,337 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2019-10-15 01:19:18,776 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2019-10-15 01:19:19,897 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2019-10-15 01:19:20,587 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2019-10-15 01:19:20,769 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 675) no Hoare annotation was computed. [2019-10-15 01:19:20,769 INFO L443 ceAbstractionStarter]: For program point L671-1(lines 671 675) no Hoare annotation was computed. [2019-10-15 01:19:20,769 INFO L443 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2019-10-15 01:19:20,769 INFO L443 ceAbstractionStarter]: For program point L665-2(lines 665 686) no Hoare annotation was computed. [2019-10-15 01:19:20,769 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 640 695) no Hoare annotation was computed. [2019-10-15 01:19:20,769 INFO L443 ceAbstractionStarter]: For program point L687(lines 664 688) no Hoare annotation was computed. [2019-10-15 01:19:20,769 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 640 695) no Hoare annotation was computed. [2019-10-15 01:19:20,769 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 640 695) no Hoare annotation was computed. [2019-10-15 01:19:20,769 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 732) no Hoare annotation was computed. [2019-10-15 01:19:20,770 INFO L443 ceAbstractionStarter]: For program point L728-1(lines 728 732) no Hoare annotation was computed. [2019-10-15 01:19:20,770 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 696 755) no Hoare annotation was computed. [2019-10-15 01:19:20,770 INFO L443 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2019-10-15 01:19:20,770 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 747) no Hoare annotation was computed. [2019-10-15 01:19:20,770 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 696 755) no Hoare annotation was computed. [2019-10-15 01:19:20,770 INFO L443 ceAbstractionStarter]: For program point L748(lines 721 749) no Hoare annotation was computed. [2019-10-15 01:19:20,770 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 696 755) no Hoare annotation was computed. [2019-10-15 01:19:20,770 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-10-15 01:19:20,770 INFO L443 ceAbstractionStarter]: For program point L741-1(line 741) no Hoare annotation was computed. [2019-10-15 01:19:20,770 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 441 447) the Hoare annotation is: true [2019-10-15 01:19:20,771 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 441 447) no Hoare annotation was computed. [2019-10-15 01:19:20,771 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 448 456) no Hoare annotation was computed. [2019-10-15 01:19:20,771 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 448 456) the Hoare annotation is: true [2019-10-15 01:19:20,771 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 448 456) no Hoare annotation was computed. [2019-10-15 01:19:20,771 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 399 421) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:20,771 INFO L439 ceAbstractionStarter]: At program point L411(line 411) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:20,772 INFO L439 ceAbstractionStarter]: At program point L411-1(line 411) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:20,772 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-10-15 01:19:20,772 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 399 421) no Hoare annotation was computed. [2019-10-15 01:19:20,772 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 409 416) no Hoare annotation was computed. [2019-10-15 01:19:20,772 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-15 01:19:20,772 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:20,773 INFO L439 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:20,773 INFO L439 ceAbstractionStarter]: At program point L405-1(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:20,773 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 399 421) no Hoare annotation was computed. [2019-10-15 01:19:20,773 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 355 378) no Hoare annotation was computed. [2019-10-15 01:19:20,773 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 355 378) no Hoare annotation was computed. [2019-10-15 01:19:20,773 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 355 378) no Hoare annotation was computed. [2019-10-15 01:19:20,773 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-10-15 01:19:20,774 INFO L443 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2019-10-15 01:19:20,774 INFO L443 ceAbstractionStarter]: For program point L371(line 371) no Hoare annotation was computed. [2019-10-15 01:19:20,774 INFO L443 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-10-15 01:19:20,774 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-10-15 01:19:20,774 INFO L443 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2019-10-15 01:19:20,774 INFO L443 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-10-15 01:19:20,774 INFO L443 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-10-15 01:19:20,774 INFO L443 ceAbstractionStarter]: For program point L365(line 365) no Hoare annotation was computed. [2019-10-15 01:19:20,774 INFO L443 ceAbstractionStarter]: For program point L364(line 364) no Hoare annotation was computed. [2019-10-15 01:19:20,775 INFO L443 ceAbstractionStarter]: For program point L363(line 363) no Hoare annotation was computed. [2019-10-15 01:19:20,775 INFO L443 ceAbstractionStarter]: For program point L362(line 362) no Hoare annotation was computed. [2019-10-15 01:19:20,775 INFO L443 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2019-10-15 01:19:20,775 INFO L443 ceAbstractionStarter]: For program point L360(line 360) no Hoare annotation was computed. [2019-10-15 01:19:20,775 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-10-15 01:19:20,775 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-10-15 01:19:20,775 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 156 180) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:19:20,776 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:19:20,776 INFO L443 ceAbstractionStarter]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2019-10-15 01:19:20,776 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 156 180) no Hoare annotation was computed. [2019-10-15 01:19:20,776 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 0) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3 .cse0))) [2019-10-15 01:19:20,776 INFO L439 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~waterLevel~0)) .cse2)))) [2019-10-15 01:19:20,776 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-10-15 01:19:20,777 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-10-15 01:19:20,777 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 251 259) no Hoare annotation was computed. [2019-10-15 01:19:20,777 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 251 259) the Hoare annotation is: true [2019-10-15 01:19:20,777 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 251 259) no Hoare annotation was computed. [2019-10-15 01:19:20,777 INFO L443 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2019-10-15 01:19:20,777 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 287) no Hoare annotation was computed. [2019-10-15 01:19:20,777 INFO L443 ceAbstractionStarter]: For program point L279-2(lines 279 287) no Hoare annotation was computed. [2019-10-15 01:19:20,778 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 260 295) no Hoare annotation was computed. [2019-10-15 01:19:20,778 INFO L443 ceAbstractionStarter]: For program point L267(lines 267 275) no Hoare annotation was computed. [2019-10-15 01:19:20,778 INFO L443 ceAbstractionStarter]: For program point L267-2(lines 267 275) no Hoare annotation was computed. [2019-10-15 01:19:20,778 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 260 295) no Hoare annotation was computed. [2019-10-15 01:19:20,778 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 260 295) no Hoare annotation was computed. [2019-10-15 01:19:20,778 INFO L443 ceAbstractionStarter]: For program point L290(line 290) no Hoare annotation was computed. [2019-10-15 01:19:20,778 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 434 440) no Hoare annotation was computed. [2019-10-15 01:19:20,778 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 434 440) the Hoare annotation is: true [2019-10-15 01:19:20,779 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 594 639) no Hoare annotation was computed. [2019-10-15 01:19:20,779 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 594 639) no Hoare annotation was computed. [2019-10-15 01:19:20,779 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 594 639) no Hoare annotation was computed. [2019-10-15 01:19:20,779 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 934) no Hoare annotation was computed. [2019-10-15 01:19:20,779 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 907 952) no Hoare annotation was computed. [2019-10-15 01:19:20,779 INFO L443 ceAbstractionStarter]: For program point L921(lines 921 941) no Hoare annotation was computed. [2019-10-15 01:19:20,779 INFO L443 ceAbstractionStarter]: For program point L921-1(lines 921 941) no Hoare annotation was computed. [2019-10-15 01:19:20,779 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 907 952) no Hoare annotation was computed. [2019-10-15 01:19:20,780 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 907 952) no Hoare annotation was computed. [2019-10-15 01:19:20,780 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 386 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:20,780 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 386 395) no Hoare annotation was computed. [2019-10-15 01:19:20,780 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 386 395) no Hoare annotation was computed. [2019-10-15 01:19:20,780 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 240 250) the Hoare annotation is: true [2019-10-15 01:19:20,780 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 240 250) no Hoare annotation was computed. [2019-10-15 01:19:20,780 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 240 250) no Hoare annotation was computed. [2019-10-15 01:19:20,781 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-10-15 01:19:20,781 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-10-15 01:19:20,781 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 232 239) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2019-10-15 01:19:20,781 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 232 239) no Hoare annotation was computed. [2019-10-15 01:19:20,781 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 232 239) no Hoare annotation was computed. [2019-10-15 01:19:20,781 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-10-15 01:19:20,781 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 573 586) no Hoare annotation was computed. [2019-10-15 01:19:20,782 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 573 586) the Hoare annotation is: true [2019-10-15 01:19:20,782 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 573 586) no Hoare annotation was computed. [2019-10-15 01:19:20,782 INFO L439 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (and .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse2) (or .cse3 .cse2 .cse4) (or .cse0 .cse3 .cse2) (or .cse2 .cse4 .cse1))) [2019-10-15 01:19:20,782 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 198) no Hoare annotation was computed. [2019-10-15 01:19:20,782 INFO L439 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse1 .cse4 .cse2))) [2019-10-15 01:19:20,782 INFO L443 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2019-10-15 01:19:20,782 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 203) no Hoare annotation was computed. [2019-10-15 01:19:20,783 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 182 206) no Hoare annotation was computed. [2019-10-15 01:19:20,783 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 182 206) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-15 01:19:20,783 INFO L439 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-10-15 01:19:20,783 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 182 206) no Hoare annotation was computed. [2019-10-15 01:19:20,783 INFO L439 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:19:20,783 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2019-10-15 01:19:20,784 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2019-10-15 01:19:20,784 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:20,784 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-10-15 01:19:20,784 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:20,784 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-15 01:19:20,784 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:20,784 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-15 01:19:20,785 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-15 01:19:20,785 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:20,785 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-15 01:19:20,785 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-15 01:19:20,785 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:20,785 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 .cse1 (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:20,786 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-15 01:19:20,786 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-15 01:19:20,786 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-15 01:19:20,786 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:20,786 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-15 01:19:20,786 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 861 906) no Hoare annotation was computed. [2019-10-15 01:19:20,786 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 861 906) no Hoare annotation was computed. [2019-10-15 01:19:20,786 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 888) no Hoare annotation was computed. [2019-10-15 01:19:20,787 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 861 906) no Hoare annotation was computed. [2019-10-15 01:19:20,787 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 895) no Hoare annotation was computed. [2019-10-15 01:19:20,787 INFO L443 ceAbstractionStarter]: For program point L875-1(lines 875 895) no Hoare annotation was computed. [2019-10-15 01:19:20,787 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 207 214) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-15 01:19:20,787 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 207 214) no Hoare annotation was computed. [2019-10-15 01:19:20,787 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 207 214) no Hoare annotation was computed. [2019-10-15 01:19:20,787 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 541 563) no Hoare annotation was computed. [2019-10-15 01:19:20,788 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 541 563) no Hoare annotation was computed. [2019-10-15 01:19:20,788 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 557) no Hoare annotation was computed. [2019-10-15 01:19:20,788 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 541 563) no Hoare annotation was computed. [2019-10-15 01:19:20,788 INFO L443 ceAbstractionStarter]: For program point L549-2(lines 549 557) no Hoare annotation was computed. [2019-10-15 01:19:20,788 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 424 433) no Hoare annotation was computed. [2019-10-15 01:19:20,788 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 424 433) no Hoare annotation was computed. [2019-10-15 01:19:20,788 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 424 433) no Hoare annotation was computed. [2019-10-15 01:19:20,789 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 758 860) no Hoare annotation was computed. [2019-10-15 01:19:20,789 INFO L443 ceAbstractionStarter]: For program point L828(lines 806 829) no Hoare annotation was computed. [2019-10-15 01:19:20,789 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 803) no Hoare annotation was computed. [2019-10-15 01:19:20,789 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 854) no Hoare annotation was computed. [2019-10-15 01:19:20,789 INFO L443 ceAbstractionStarter]: For program point L808(lines 807 827) no Hoare annotation was computed. [2019-10-15 01:19:20,789 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-15 01:19:20,789 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-10-15 01:19:20,789 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 758 860) no Hoare annotation was computed. [2019-10-15 01:19:20,789 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 845) no Hoare annotation was computed. [2019-10-15 01:19:20,790 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-15 01:19:20,790 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-15 01:19:20,790 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 758 860) no Hoare annotation was computed. [2019-10-15 01:19:20,790 INFO L443 ceAbstractionStarter]: For program point L782(lines 782 786) no Hoare annotation was computed. [2019-10-15 01:19:20,790 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 857) no Hoare annotation was computed. [2019-10-15 01:19:20,790 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 813) no Hoare annotation was computed. [2019-10-15 01:19:20,790 INFO L443 ceAbstractionStarter]: For program point L807-2(lines 807 827) no Hoare annotation was computed. [2019-10-15 01:19:20,790 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:20,791 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:19:20,791 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:20,791 INFO L443 ceAbstractionStarter]: For program point L226-1(lines 215 231) no Hoare annotation was computed. [2019-10-15 01:19:20,791 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-10-15 01:19:20,791 INFO L439 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-15 01:19:20,791 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 215 231) no Hoare annotation was computed. [2019-10-15 01:19:20,791 INFO L443 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2019-10-15 01:19:20,792 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 215 231) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-15 01:19:20,792 INFO L439 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:19:20,792 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 309) no Hoare annotation was computed. [2019-10-15 01:19:20,792 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 296 314) no Hoare annotation was computed. [2019-10-15 01:19:20,792 INFO L446 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: true [2019-10-15 01:19:20,792 INFO L443 ceAbstractionStarter]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2019-10-15 01:19:20,792 INFO L443 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2019-10-15 01:19:20,793 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 296 314) the Hoare annotation is: true [2019-10-15 01:19:20,793 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 296 314) no Hoare annotation was computed. [2019-10-15 01:19:20,793 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 564 572) no Hoare annotation was computed. [2019-10-15 01:19:20,793 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 564 572) no Hoare annotation was computed. [2019-10-15 01:19:20,793 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 564 572) no Hoare annotation was computed. [2019-10-15 01:19:20,793 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 520 531) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:19:20,793 INFO L443 ceAbstractionStarter]: For program point L524-1(lines 520 531) no Hoare annotation was computed. [2019-10-15 01:19:20,794 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 520 531) no Hoare annotation was computed. [2019-10-15 01:19:20,794 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:20,794 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:20,794 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:20,794 INFO L443 ceAbstractionStarter]: For program point L128(lines 127 146) no Hoare annotation was computed. [2019-10-15 01:19:20,794 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not .cse1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or .cse8 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse8 .cse3) (or .cse0 .cse4 .cse3 .cse5 .cse6)))) [2019-10-15 01:19:20,794 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2019-10-15 01:19:20,795 INFO L439 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse7)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not .cse1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse4 .cse5) (or .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse2 .cse4 .cse8) (or .cse6 .cse0 .cse2 .cse1 .cse3) (or .cse6 .cse7 .cse8 .cse2 .cse0)))) [2019-10-15 01:19:20,795 INFO L439 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse9 (not .cse11)) (.cse13 (= 1 ~systemActive~0)) (.cse14 (= 0 ~methaneLevelCritical~0)) (.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse16 (= ~pumpRunning~0 0))) (let ((.cse8 (and .cse10 .cse17 .cse16)) (.cse7 (not .cse17)) (.cse12 (not .cse0)) (.cse6 (and .cse15 .cse16)) (.cse1 (and .cse10 .cse16)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse13 .cse10 .cse14 .cse15)) (.cse5 (and .cse13 .cse14 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse2) (or .cse7 .cse0 .cse8 .cse9 .cse2) (or .cse10 .cse11 .cse2 .cse12 .cse3) (or .cse7 .cse10 .cse2 .cse11 .cse12) (or .cse6 .cse1 .cse2 .cse3 .cse4 .cse5))))) [2019-10-15 01:19:20,795 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2019-10-15 01:19:20,795 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse3 .cse2)))) [2019-10-15 01:19:20,795 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 325 354) no Hoare annotation was computed. [2019-10-15 01:19:20,796 INFO L446 ceAbstractionStarter]: At program point L350(lines 325 354) the Hoare annotation is: true [2019-10-15 01:19:20,796 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 325 354) the Hoare annotation is: true [2019-10-15 01:19:20,796 INFO L443 ceAbstractionStarter]: For program point L346(line 346) no Hoare annotation was computed. [2019-10-15 01:19:20,796 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-10-15 01:19:20,796 INFO L446 ceAbstractionStarter]: At program point L339-1(lines 339 343) the Hoare annotation is: true [2019-10-15 01:19:20,796 INFO L443 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2019-10-15 01:19:20,796 INFO L446 ceAbstractionStarter]: At program point L335-2(lines 335 349) the Hoare annotation is: true [2019-10-15 01:19:20,797 INFO L446 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2019-10-15 01:19:20,797 INFO L443 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2019-10-15 01:19:20,797 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 532 540) the Hoare annotation is: true [2019-10-15 01:19:20,797 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 532 540) no Hoare annotation was computed. [2019-10-15 01:19:20,797 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 532 540) no Hoare annotation was computed. [2019-10-15 01:19:20,797 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 496 507) the Hoare annotation is: true [2019-10-15 01:19:20,797 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 496 507) no Hoare annotation was computed. [2019-10-15 01:19:20,797 INFO L443 ceAbstractionStarter]: For program point L500-1(lines 496 507) no Hoare annotation was computed. [2019-10-15 01:19:20,797 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 379 385) no Hoare annotation was computed. [2019-10-15 01:19:20,798 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 379 385) the Hoare annotation is: true [2019-10-15 01:19:20,798 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:20,798 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 01:19:20,798 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:20,798 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:20,798 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 315 322) no Hoare annotation was computed. [2019-10-15 01:19:20,799 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 315 322) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:20,799 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 315 322) no Hoare annotation was computed. [2019-10-15 01:19:20,799 INFO L443 ceAbstractionStarter]: For program point L512-1(lines 508 519) no Hoare annotation was computed. [2019-10-15 01:19:20,799 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 508 519) no Hoare annotation was computed. [2019-10-15 01:19:20,799 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 508 519) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1 .cse3))) [2019-10-15 01:19:20,799 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 458 465) no Hoare annotation was computed. [2019-10-15 01:19:20,799 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 458 465) the Hoare annotation is: true [2019-10-15 01:19:20,799 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 458 465) no Hoare annotation was computed. [2019-10-15 01:19:20,800 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-10-15 01:19:20,800 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:20,800 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-10-15 01:19:20,800 INFO L439 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:19:20,800 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 467 491) the Hoare annotation is: true [2019-10-15 01:19:20,800 INFO L443 ceAbstractionStarter]: For program point L477-1(line 477) no Hoare annotation was computed. [2019-10-15 01:19:20,800 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 488) no Hoare annotation was computed. [2019-10-15 01:19:20,800 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 467 491) no Hoare annotation was computed. [2019-10-15 01:19:20,801 INFO L446 ceAbstractionStarter]: At program point L473(line 473) the Hoare annotation is: true [2019-10-15 01:19:20,801 INFO L443 ceAbstractionStarter]: For program point L473-1(line 473) no Hoare annotation was computed. [2019-10-15 01:19:20,801 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 467 491) no Hoare annotation was computed. [2019-10-15 01:19:20,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:20 BoogieIcfgContainer [2019-10-15 01:19:20,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:20,819 INFO L168 Benchmark]: Toolchain (without parser) took 14843.50 ms. Allocated memory was 143.1 MB in the beginning and 460.3 MB in the end (delta: 317.2 MB). Free memory was 98.4 MB in the beginning and 363.9 MB in the end (delta: -265.5 MB). Peak memory consumption was 281.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:20,820 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:19:20,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.44 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 98.2 MB in the beginning and 165.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:20,822 INFO L168 Benchmark]: Boogie Preprocessor took 131.49 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 160.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:20,822 INFO L168 Benchmark]: RCFGBuilder took 1318.49 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 160.9 MB in the beginning and 193.2 MB in the end (delta: -32.3 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:20,823 INFO L168 Benchmark]: TraceAbstraction took 12684.81 ms. Allocated memory was 229.1 MB in the beginning and 460.3 MB in the end (delta: 231.2 MB). Free memory was 191.8 MB in the beginning and 363.9 MB in the end (delta: -172.1 MB). Peak memory consumption was 288.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:20,827 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 143.1 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.44 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 98.2 MB in the beginning and 165.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.49 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 160.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1318.49 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 160.9 MB in the beginning and 193.2 MB in the end (delta: -32.3 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12684.81 ms. Allocated memory was 229.1 MB in the beginning and 460.3 MB in the end (delta: 231.2 MB). Free memory was 191.8 MB in the beginning and 363.9 MB in the end (delta: -172.1 MB). Peak memory consumption was 288.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: 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: 54]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && pumpRunning == 0)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 12.6s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, HoareTripleCheckerStatistics: 1928 SDtfs, 1022 SDslu, 4690 SDs, 0 SdLazy, 1529 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 634 GetRequests, 530 SyntacticMatches, 12 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=791occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 82 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1559 PreInvPairs, 1657 NumberOfFragments, 1648 HoareAnnotationTreeSize, 1559 FomulaSimplifications, 1911 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6513 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1185 NumberOfCodeBlocks, 1185 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1428 ConstructedInterpolants, 0 QuantifiedInterpolants, 245210 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1684 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 157/165 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...