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_spec2_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:11,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:11,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:11,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:11,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:11,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:11,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:11,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:11,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:11,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:11,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:11,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:11,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:11,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:11,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:11,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:11,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:11,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:11,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:11,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:11,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:11,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:11,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:11,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:11,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:11,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:11,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:11,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:11,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:11,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:11,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:11,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:11,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:11,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:11,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:11,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:11,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:11,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:11,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:11,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:11,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:11,665 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 01:20:11,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:11,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:11,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:11,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:11,689 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:11,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:11,689 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:11,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:11,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:11,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:11,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:11,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:11,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:11,692 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:11,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:11,692 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:11,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:11,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:11,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:11,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:11,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:11,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:11,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:11,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:11,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:11,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:11,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:11,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:11,695 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 01:20:12,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:12,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:12,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:12,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:12,056 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:12,057 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product64.cil.c [2019-10-15 01:20:12,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea714204f/fe9a781488fe466ea1d7348529909886/FLAGace734874 [2019-10-15 01:20:12,765 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:12,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product64.cil.c [2019-10-15 01:20:12,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea714204f/fe9a781488fe466ea1d7348529909886/FLAGace734874 [2019-10-15 01:20:12,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea714204f/fe9a781488fe466ea1d7348529909886 [2019-10-15 01:20:13,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:13,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:13,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:13,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:13,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:13,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:13,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d73c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13, skipping insertion in model container [2019-10-15 01:20:13,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:13,031 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:13,088 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:13,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:13,556 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:13,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:13,701 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:13,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13 WrapperNode [2019-10-15 01:20:13,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:13,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:13,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:13,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:13,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:13,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:13,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:13,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:13,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (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 01:20:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:20:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:20:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:20:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:20:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:15,015 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:15,016 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:15,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:15 BoogieIcfgContainer [2019-10-15 01:20:15,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:15,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:15,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:15,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:15,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:12" (1/3) ... [2019-10-15 01:20:15,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19071606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:15, skipping insertion in model container [2019-10-15 01:20:15,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (2/3) ... [2019-10-15 01:20:15,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19071606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:15, skipping insertion in model container [2019-10-15 01:20:15,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:15" (3/3) ... [2019-10-15 01:20:15,028 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product64.cil.c [2019-10-15 01:20:15,038 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:15,049 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:15,061 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:15,105 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:15,105 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:15,106 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:15,106 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:15,107 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:15,108 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:15,108 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:15,108 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2019-10-15 01:20:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:15,144 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:15,146 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] [2019-10-15 01:20:15,148 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:15,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:15,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1876229816, now seen corresponding path program 1 times [2019-10-15 01:20:15,164 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:15,165 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809239958] [2019-10-15 01:20:15,165 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:15,536 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 01:20:15,537 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809239958] [2019-10-15 01:20:15,538 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:15,538 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:15,538 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067817238] [2019-10-15 01:20:15,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:15,548 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:15,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:15,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:15,568 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 2 states. [2019-10-15 01:20:15,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:15,633 INFO L93 Difference]: Finished difference Result 326 states and 407 transitions. [2019-10-15 01:20:15,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:15,634 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:20:15,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:15,649 INFO L225 Difference]: With dead ends: 326 [2019-10-15 01:20:15,650 INFO L226 Difference]: Without dead ends: 165 [2019-10-15 01:20:15,655 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 01:20:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-10-15 01:20:15,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2019-10-15 01:20:15,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-10-15 01:20:15,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 197 transitions. [2019-10-15 01:20:15,721 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 197 transitions. Word has length 51 [2019-10-15 01:20:15,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:15,722 INFO L462 AbstractCegarLoop]: Abstraction has 165 states and 197 transitions. [2019-10-15 01:20:15,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 197 transitions. [2019-10-15 01:20:15,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:15,726 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:15,726 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 01:20:15,727 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:15,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:15,727 INFO L82 PathProgramCache]: Analyzing trace with hash -473730038, now seen corresponding path program 1 times [2019-10-15 01:20:15,727 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:15,728 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999136952] [2019-10-15 01:20:15,728 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,728 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:15,878 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 01:20:15,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999136952] [2019-10-15 01:20:15,879 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:15,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:15,879 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893643135] [2019-10-15 01:20:15,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:15,881 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:15,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:15,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:15,882 INFO L87 Difference]: Start difference. First operand 165 states and 197 transitions. Second operand 3 states. [2019-10-15 01:20:15,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:15,909 INFO L93 Difference]: Finished difference Result 265 states and 317 transitions. [2019-10-15 01:20:15,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:15,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:20:15,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:15,913 INFO L225 Difference]: With dead ends: 265 [2019-10-15 01:20:15,913 INFO L226 Difference]: Without dead ends: 156 [2019-10-15 01:20:15,915 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 01:20:15,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-15 01:20:15,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-10-15 01:20:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-10-15 01:20:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 185 transitions. [2019-10-15 01:20:15,936 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 185 transitions. Word has length 52 [2019-10-15 01:20:15,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:15,937 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 185 transitions. [2019-10-15 01:20:15,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 185 transitions. [2019-10-15 01:20:15,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:20:15,940 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:15,940 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] [2019-10-15 01:20:15,941 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:15,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:15,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1190097928, now seen corresponding path program 1 times [2019-10-15 01:20:15,942 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:15,942 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856183138] [2019-10-15 01:20:15,942 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,942 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,124 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 01:20:16,125 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856183138] [2019-10-15 01:20:16,125 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:16,125 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:16,125 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126493072] [2019-10-15 01:20:16,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:16,126 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:16,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:16,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:16,127 INFO L87 Difference]: Start difference. First operand 156 states and 185 transitions. Second operand 7 states. [2019-10-15 01:20:16,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:16,772 INFO L93 Difference]: Finished difference Result 463 states and 569 transitions. [2019-10-15 01:20:16,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:16,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 01:20:16,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:16,778 INFO L225 Difference]: With dead ends: 463 [2019-10-15 01:20:16,778 INFO L226 Difference]: Without dead ends: 335 [2019-10-15 01:20:16,780 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 01:20:16,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-10-15 01:20:16,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 323. [2019-10-15 01:20:16,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-10-15 01:20:16,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 396 transitions. [2019-10-15 01:20:16,871 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 396 transitions. Word has length 57 [2019-10-15 01:20:16,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:16,871 INFO L462 AbstractCegarLoop]: Abstraction has 323 states and 396 transitions. [2019-10-15 01:20:16,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 396 transitions. [2019-10-15 01:20:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-15 01:20:16,886 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:16,886 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] [2019-10-15 01:20:16,886 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:16,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:16,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1162392239, now seen corresponding path program 1 times [2019-10-15 01:20:16,887 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:16,888 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979118902] [2019-10-15 01:20:16,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:17,055 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 01:20:17,056 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979118902] [2019-10-15 01:20:17,056 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:17,056 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:17,056 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511915346] [2019-10-15 01:20:17,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:17,058 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:17,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:17,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:17,064 INFO L87 Difference]: Start difference. First operand 323 states and 396 transitions. Second operand 6 states. [2019-10-15 01:20:17,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:17,342 INFO L93 Difference]: Finished difference Result 895 states and 1122 transitions. [2019-10-15 01:20:17,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:17,343 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-15 01:20:17,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:17,349 INFO L225 Difference]: With dead ends: 895 [2019-10-15 01:20:17,349 INFO L226 Difference]: Without dead ends: 600 [2019-10-15 01:20:17,352 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 01:20:17,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-10-15 01:20:17,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 594. [2019-10-15 01:20:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2019-10-15 01:20:17,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 732 transitions. [2019-10-15 01:20:17,421 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 732 transitions. Word has length 62 [2019-10-15 01:20:17,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:17,422 INFO L462 AbstractCegarLoop]: Abstraction has 594 states and 732 transitions. [2019-10-15 01:20:17,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 732 transitions. [2019-10-15 01:20:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 01:20:17,428 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:17,428 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] [2019-10-15 01:20:17,428 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:17,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:17,429 INFO L82 PathProgramCache]: Analyzing trace with hash -956691731, now seen corresponding path program 1 times [2019-10-15 01:20:17,429 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:17,430 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872893334] [2019-10-15 01:20:17,430 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,430 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:17,573 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 01:20:17,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872893334] [2019-10-15 01:20:17,574 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:17,574 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:17,575 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981429195] [2019-10-15 01:20:17,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:17,577 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:17,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:17,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:17,578 INFO L87 Difference]: Start difference. First operand 594 states and 732 transitions. Second operand 7 states. [2019-10-15 01:20:18,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:18,472 INFO L93 Difference]: Finished difference Result 1547 states and 2026 transitions. [2019-10-15 01:20:18,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:20:18,475 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-10-15 01:20:18,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:18,483 INFO L225 Difference]: With dead ends: 1547 [2019-10-15 01:20:18,483 INFO L226 Difference]: Without dead ends: 981 [2019-10-15 01:20:18,486 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:18,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2019-10-15 01:20:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 883. [2019-10-15 01:20:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2019-10-15 01:20:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1071 transitions. [2019-10-15 01:20:18,554 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1071 transitions. Word has length 66 [2019-10-15 01:20:18,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:18,555 INFO L462 AbstractCegarLoop]: Abstraction has 883 states and 1071 transitions. [2019-10-15 01:20:18,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1071 transitions. [2019-10-15 01:20:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-15 01:20:18,558 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:18,558 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, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:18,559 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:18,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:18,559 INFO L82 PathProgramCache]: Analyzing trace with hash 181415894, now seen corresponding path program 1 times [2019-10-15 01:20:18,559 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:18,560 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958150849] [2019-10-15 01:20:18,560 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,560 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,682 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 01:20:18,683 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958150849] [2019-10-15 01:20:18,683 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:18,683 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:20:18,684 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062981581] [2019-10-15 01:20:18,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:18,685 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:18,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:18,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:18,685 INFO L87 Difference]: Start difference. First operand 883 states and 1071 transitions. Second operand 8 states. [2019-10-15 01:20:18,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:18,751 INFO L93 Difference]: Finished difference Result 1766 states and 2218 transitions. [2019-10-15 01:20:18,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:18,751 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2019-10-15 01:20:18,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:18,757 INFO L225 Difference]: With dead ends: 1766 [2019-10-15 01:20:18,758 INFO L226 Difference]: Without dead ends: 911 [2019-10-15 01:20:18,761 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 01:20:18,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2019-10-15 01:20:18,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 899. [2019-10-15 01:20:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2019-10-15 01:20:18,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1087 transitions. [2019-10-15 01:20:18,821 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1087 transitions. Word has length 109 [2019-10-15 01:20:18,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:18,822 INFO L462 AbstractCegarLoop]: Abstraction has 899 states and 1087 transitions. [2019-10-15 01:20:18,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1087 transitions. [2019-10-15 01:20:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-15 01:20:18,830 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:18,830 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, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:18,831 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:18,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:18,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1757746152, now seen corresponding path program 1 times [2019-10-15 01:20:18,831 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:18,832 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252033849] [2019-10-15 01:20:18,832 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,832 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,935 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 01:20:18,936 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252033849] [2019-10-15 01:20:18,936 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:18,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:18,936 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493979815] [2019-10-15 01:20:18,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:18,938 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:18,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:18,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:18,939 INFO L87 Difference]: Start difference. First operand 899 states and 1087 transitions. Second operand 6 states. [2019-10-15 01:20:19,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:19,006 INFO L93 Difference]: Finished difference Result 1798 states and 2250 transitions. [2019-10-15 01:20:19,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:19,006 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2019-10-15 01:20:19,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:19,013 INFO L225 Difference]: With dead ends: 1798 [2019-10-15 01:20:19,013 INFO L226 Difference]: Without dead ends: 927 [2019-10-15 01:20:19,019 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 01:20:19,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2019-10-15 01:20:19,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 919. [2019-10-15 01:20:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2019-10-15 01:20:19,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1107 transitions. [2019-10-15 01:20:19,078 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1107 transitions. Word has length 109 [2019-10-15 01:20:19,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:19,079 INFO L462 AbstractCegarLoop]: Abstraction has 919 states and 1107 transitions. [2019-10-15 01:20:19,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:19,081 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1107 transitions. [2019-10-15 01:20:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-15 01:20:19,084 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:19,084 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, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:19,085 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:19,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:19,086 INFO L82 PathProgramCache]: Analyzing trace with hash 950585909, now seen corresponding path program 1 times [2019-10-15 01:20:19,086 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:19,086 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795610008] [2019-10-15 01:20:19,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:19,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:19,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:19,192 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 01:20:19,192 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795610008] [2019-10-15 01:20:19,192 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:19,193 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:20:19,193 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357101174] [2019-10-15 01:20:19,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:20:19,194 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:19,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:20:19,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:19,195 INFO L87 Difference]: Start difference. First operand 919 states and 1107 transitions. Second operand 4 states. [2019-10-15 01:20:19,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:19,554 INFO L93 Difference]: Finished difference Result 2901 states and 3662 transitions. [2019-10-15 01:20:19,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:20:19,554 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2019-10-15 01:20:19,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:19,568 INFO L225 Difference]: With dead ends: 2901 [2019-10-15 01:20:19,569 INFO L226 Difference]: Without dead ends: 2010 [2019-10-15 01:20:19,572 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 01:20:19,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2010 states. [2019-10-15 01:20:19,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2010 to 1979. [2019-10-15 01:20:19,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1979 states. [2019-10-15 01:20:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2447 transitions. [2019-10-15 01:20:19,703 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2447 transitions. Word has length 109 [2019-10-15 01:20:19,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:19,704 INFO L462 AbstractCegarLoop]: Abstraction has 1979 states and 2447 transitions. [2019-10-15 01:20:19,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:20:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2447 transitions. [2019-10-15 01:20:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-15 01:20:19,709 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:19,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:19,709 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:19,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:19,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1552682437, now seen corresponding path program 1 times [2019-10-15 01:20:19,710 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:19,710 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326795532] [2019-10-15 01:20:19,710 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:19,711 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:19,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:19,910 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 01:20:19,911 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326795532] [2019-10-15 01:20:19,912 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034028888] [2019-10-15 01:20:19,912 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 01:20:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:20,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:20,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:20,573 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 01:20:20,574 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:21,970 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 01:20:21,971 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:21,971 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:21,971 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550308328] [2019-10-15 01:20:21,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:21,972 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:21,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:21,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:21,973 INFO L87 Difference]: Start difference. First operand 1979 states and 2447 transitions. Second operand 8 states. [2019-10-15 01:20:22,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:22,404 INFO L93 Difference]: Finished difference Result 3900 states and 4844 transitions. [2019-10-15 01:20:22,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:22,405 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2019-10-15 01:20:22,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:22,423 INFO L225 Difference]: With dead ends: 3900 [2019-10-15 01:20:22,423 INFO L226 Difference]: Without dead ends: 1949 [2019-10-15 01:20:22,432 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 208 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:22,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1949 states. [2019-10-15 01:20:22,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1949 to 1949. [2019-10-15 01:20:22,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1949 states. [2019-10-15 01:20:22,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 2361 transitions. [2019-10-15 01:20:22,591 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 2361 transitions. Word has length 113 [2019-10-15 01:20:22,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:22,591 INFO L462 AbstractCegarLoop]: Abstraction has 1949 states and 2361 transitions. [2019-10-15 01:20:22,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2361 transitions. [2019-10-15 01:20:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-15 01:20:22,605 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:22,605 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:22,812 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:22,812 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:22,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:22,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1227035740, now seen corresponding path program 1 times [2019-10-15 01:20:22,813 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:22,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575794518] [2019-10-15 01:20:22,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 01:20:23,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575794518] [2019-10-15 01:20:23,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52691640] [2019-10-15 01:20:23,005 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 01:20:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:20:23,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:23,347 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:20:23,347 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:23,748 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 01:20:23,749 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:23,749 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-10-15 01:20:23,749 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027690649] [2019-10-15 01:20:23,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:23,750 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:23,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:23,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:23,751 INFO L87 Difference]: Start difference. First operand 1949 states and 2361 transitions. Second operand 5 states. [2019-10-15 01:20:24,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:24,732 INFO L93 Difference]: Finished difference Result 4224 states and 5397 transitions. [2019-10-15 01:20:24,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:24,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 187 [2019-10-15 01:20:24,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:24,753 INFO L225 Difference]: With dead ends: 4224 [2019-10-15 01:20:24,753 INFO L226 Difference]: Without dead ends: 2647 [2019-10-15 01:20:24,763 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 374 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:24,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2019-10-15 01:20:24,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2433. [2019-10-15 01:20:24,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2433 states. [2019-10-15 01:20:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 3001 transitions. [2019-10-15 01:20:24,941 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 3001 transitions. Word has length 187 [2019-10-15 01:20:24,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:24,942 INFO L462 AbstractCegarLoop]: Abstraction has 2433 states and 3001 transitions. [2019-10-15 01:20:24,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:24,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 3001 transitions. [2019-10-15 01:20:24,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-15 01:20:24,955 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:24,955 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:25,170 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:25,170 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:25,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:25,171 INFO L82 PathProgramCache]: Analyzing trace with hash -746167138, now seen corresponding path program 1 times [2019-10-15 01:20:25,172 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:25,172 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804963498] [2019-10-15 01:20:25,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:25,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:25,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:20:25,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804963498] [2019-10-15 01:20:25,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894092160] [2019-10-15 01:20:25,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:25,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:25,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:20:25,974 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:20:26,551 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:26,552 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:26,552 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102364679] [2019-10-15 01:20:26,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:26,553 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:26,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:26,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:26,554 INFO L87 Difference]: Start difference. First operand 2433 states and 3001 transitions. Second operand 8 states. [2019-10-15 01:20:26,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:26,943 INFO L93 Difference]: Finished difference Result 4227 states and 5313 transitions. [2019-10-15 01:20:26,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:26,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2019-10-15 01:20:26,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:26,951 INFO L225 Difference]: With dead ends: 4227 [2019-10-15 01:20:26,951 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:26,969 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 351 SyntacticMatches, 5 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 01:20:26,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:26,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:26,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:26,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:26,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2019-10-15 01:20:26,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:26,972 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:26,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:26,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:27,190 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:27,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:29,417 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 17 [2019-10-15 01:20:29,629 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 18 [2019-10-15 01:20:29,906 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 23 [2019-10-15 01:20:30,018 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 18 [2019-10-15 01:20:30,374 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 35 [2019-10-15 01:20:30,479 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2019-10-15 01:20:30,650 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 19 [2019-10-15 01:20:31,229 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 34 [2019-10-15 01:20:31,624 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 26 [2019-10-15 01:20:31,915 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2019-10-15 01:20:32,160 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 18 [2019-10-15 01:20:32,304 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-10-15 01:20:32,411 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 16 [2019-10-15 01:20:32,608 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2019-10-15 01:20:32,832 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 19 [2019-10-15 01:20:32,964 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 19 [2019-10-15 01:20:33,323 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 22 [2019-10-15 01:20:33,640 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 19 [2019-10-15 01:20:34,294 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2019-10-15 01:20:34,573 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 22 [2019-10-15 01:20:34,695 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2019-10-15 01:20:34,902 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2019-10-15 01:20:35,099 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 30 [2019-10-15 01:20:35,129 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 762) no Hoare annotation was computed. [2019-10-15 01:20:35,129 INFO L443 ceAbstractionStarter]: For program point L758-1(lines 758 762) no Hoare annotation was computed. [2019-10-15 01:20:35,129 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 727 782) no Hoare annotation was computed. [2019-10-15 01:20:35,129 INFO L443 ceAbstractionStarter]: For program point L753(line 753) no Hoare annotation was computed. [2019-10-15 01:20:35,129 INFO L443 ceAbstractionStarter]: For program point L752-2(lines 752 773) no Hoare annotation was computed. [2019-10-15 01:20:35,129 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 727 782) no Hoare annotation was computed. [2019-10-15 01:20:35,129 INFO L443 ceAbstractionStarter]: For program point L774(lines 751 775) no Hoare annotation was computed. [2019-10-15 01:20:35,130 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 727 782) no Hoare annotation was computed. [2019-10-15 01:20:35,130 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-15 01:20:35,130 INFO L443 ceAbstractionStarter]: For program point L828-1(line 828) no Hoare annotation was computed. [2019-10-15 01:20:35,130 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 783 842) no Hoare annotation was computed. [2019-10-15 01:20:35,130 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 819) no Hoare annotation was computed. [2019-10-15 01:20:35,130 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 783 842) no Hoare annotation was computed. [2019-10-15 01:20:35,130 INFO L443 ceAbstractionStarter]: For program point L815-1(lines 815 819) no Hoare annotation was computed. [2019-10-15 01:20:35,130 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-15 01:20:35,131 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 783 842) no Hoare annotation was computed. [2019-10-15 01:20:35,131 INFO L443 ceAbstractionStarter]: For program point L809-2(lines 809 834) no Hoare annotation was computed. [2019-10-15 01:20:35,132 INFO L443 ceAbstractionStarter]: For program point L835(lines 808 836) no Hoare annotation was computed. [2019-10-15 01:20:35,132 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-15 01:20:35,132 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-15 01:20:35,132 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:20:35,132 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-15 01:20:35,132 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:20:35,134 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 651 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:35,134 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 651 673) no Hoare annotation was computed. [2019-10-15 01:20:35,135 INFO L439 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 1) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:35,135 INFO L439 ceAbstractionStarter]: At program point L663-1(line 663) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 1) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:35,135 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 668) no Hoare annotation was computed. [2019-10-15 01:20:35,135 INFO L443 ceAbstractionStarter]: For program point L661-1(lines 661 668) no Hoare annotation was computed. [2019-10-15 01:20:35,135 INFO L443 ceAbstractionStarter]: For program point L659(line 659) no Hoare annotation was computed. [2019-10-15 01:20:35,135 INFO L439 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:35,135 INFO L439 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:35,136 INFO L439 ceAbstractionStarter]: At program point L657-1(line 657) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:35,136 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 651 673) no Hoare annotation was computed. [2019-10-15 01:20:35,136 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 609 632) no Hoare annotation was computed. [2019-10-15 01:20:35,136 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 609 632) no Hoare annotation was computed. [2019-10-15 01:20:35,136 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 609 632) no Hoare annotation was computed. [2019-10-15 01:20:35,136 INFO L443 ceAbstractionStarter]: For program point L627(line 627) no Hoare annotation was computed. [2019-10-15 01:20:35,136 INFO L443 ceAbstractionStarter]: For program point L626(line 626) no Hoare annotation was computed. [2019-10-15 01:20:35,137 INFO L443 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2019-10-15 01:20:35,137 INFO L443 ceAbstractionStarter]: For program point L624(line 624) no Hoare annotation was computed. [2019-10-15 01:20:35,137 INFO L443 ceAbstractionStarter]: For program point L623(line 623) no Hoare annotation was computed. [2019-10-15 01:20:35,138 INFO L443 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2019-10-15 01:20:35,138 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-10-15 01:20:35,138 INFO L443 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2019-10-15 01:20:35,138 INFO L443 ceAbstractionStarter]: For program point L619(line 619) no Hoare annotation was computed. [2019-10-15 01:20:35,138 INFO L443 ceAbstractionStarter]: For program point L618(line 618) no Hoare annotation was computed. [2019-10-15 01:20:35,138 INFO L443 ceAbstractionStarter]: For program point L617(line 617) no Hoare annotation was computed. [2019-10-15 01:20:35,138 INFO L443 ceAbstractionStarter]: For program point L616(line 616) no Hoare annotation was computed. [2019-10-15 01:20:35,138 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-15 01:20:35,138 INFO L443 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2019-10-15 01:20:35,139 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 168) no Hoare annotation was computed. [2019-10-15 01:20:35,139 INFO L439 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:20:35,139 INFO L443 ceAbstractionStarter]: For program point L158-1(line 158) no Hoare annotation was computed. [2019-10-15 01:20:35,139 INFO L443 ceAbstractionStarter]: For program point L156(lines 156 173) no Hoare annotation was computed. [2019-10-15 01:20:35,139 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 152 176) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:35,139 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 152 176) no Hoare annotation was computed. [2019-10-15 01:20:35,139 INFO L439 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:35,140 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 152 176) no Hoare annotation was computed. [2019-10-15 01:20:35,140 INFO L439 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:20:35,140 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:20:35,140 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 330 344) no Hoare annotation was computed. [2019-10-15 01:20:35,140 INFO L439 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse3 (= |old(~systemActive~0)| 0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 1 ~systemActive~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1) (or .cse2 .cse0 .cse3) (or .cse4 .cse5 .cse6) (or .cse3 .cse2 .cse6) (or .cse1 .cse6) (or .cse4 .cse0 .cse5))) [2019-10-15 01:20:35,140 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 340) no Hoare annotation was computed. [2019-10-15 01:20:35,141 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 330 344) the Hoare annotation is: (let ((.cse2 (= |old(~systemActive~0)| 0)) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse3 (= 1 ~systemActive~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse7 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7) (or .cse2 .cse0 .cse5) (or .cse3 .cse1 .cse4) (or .cse7 (or .cse6 .cse5)))) [2019-10-15 01:20:35,141 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 330 344) no Hoare annotation was computed. [2019-10-15 01:20:35,141 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 247 255) no Hoare annotation was computed. [2019-10-15 01:20:35,141 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 247 255) the Hoare annotation is: true [2019-10-15 01:20:35,141 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 247 255) no Hoare annotation was computed. [2019-10-15 01:20:35,141 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 324) no Hoare annotation was computed. [2019-10-15 01:20:35,141 INFO L446 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: true [2019-10-15 01:20:35,141 INFO L443 ceAbstractionStarter]: For program point L320-2(lines 320 324) no Hoare annotation was computed. [2019-10-15 01:20:35,142 INFO L443 ceAbstractionStarter]: For program point L318-1(line 318) no Hoare annotation was computed. [2019-10-15 01:20:35,142 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 311 329) the Hoare annotation is: true [2019-10-15 01:20:35,142 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 311 329) no Hoare annotation was computed. [2019-10-15 01:20:35,142 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 311 329) no Hoare annotation was computed. [2019-10-15 01:20:35,142 INFO L443 ceAbstractionStarter]: For program point L286(line 286) no Hoare annotation was computed. [2019-10-15 01:20:35,142 INFO L443 ceAbstractionStarter]: For program point L286-1(line 286) no Hoare annotation was computed. [2019-10-15 01:20:35,142 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 283) no Hoare annotation was computed. [2019-10-15 01:20:35,142 INFO L443 ceAbstractionStarter]: For program point L275-2(lines 275 283) no Hoare annotation was computed. [2019-10-15 01:20:35,143 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 256 291) no Hoare annotation was computed. [2019-10-15 01:20:35,143 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-10-15 01:20:35,143 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 256 291) no Hoare annotation was computed. [2019-10-15 01:20:35,143 INFO L443 ceAbstractionStarter]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2019-10-15 01:20:35,143 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 256 291) no Hoare annotation was computed. [2019-10-15 01:20:35,143 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-15 01:20:35,143 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-15 01:20:35,143 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 681 726) no Hoare annotation was computed. [2019-10-15 01:20:35,143 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 681 726) no Hoare annotation was computed. [2019-10-15 01:20:35,144 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 681 726) no Hoare annotation was computed. [2019-10-15 01:20:35,144 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 994 1039) no Hoare annotation was computed. [2019-10-15 01:20:35,144 INFO L443 ceAbstractionStarter]: For program point L1014(lines 1014 1021) no Hoare annotation was computed. [2019-10-15 01:20:35,144 INFO L443 ceAbstractionStarter]: For program point L1008(lines 1008 1028) no Hoare annotation was computed. [2019-10-15 01:20:35,144 INFO L443 ceAbstractionStarter]: For program point L1008-1(lines 1008 1028) no Hoare annotation was computed. [2019-10-15 01:20:35,145 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 994 1039) no Hoare annotation was computed. [2019-10-15 01:20:35,145 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 994 1039) no Hoare annotation was computed. [2019-10-15 01:20:35,146 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 640 650) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:35,146 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 640 650) no Hoare annotation was computed. [2019-10-15 01:20:35,146 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 640 650) no Hoare annotation was computed. [2019-10-15 01:20:35,146 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:35,146 INFO L446 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: true [2019-10-15 01:20:35,146 INFO L443 ceAbstractionStarter]: For program point L241-1(line 241) no Hoare annotation was computed. [2019-10-15 01:20:35,146 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 236 246) the Hoare annotation is: true [2019-10-15 01:20:35,146 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 236 246) no Hoare annotation was computed. [2019-10-15 01:20:35,146 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 236 246) no Hoare annotation was computed. [2019-10-15 01:20:35,147 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 228 235) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:35,147 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 228 235) no Hoare annotation was computed. [2019-10-15 01:20:35,147 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 228 235) no Hoare annotation was computed. [2019-10-15 01:20:35,147 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 564) no Hoare annotation was computed. [2019-10-15 01:20:35,147 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 554 567) no Hoare annotation was computed. [2019-10-15 01:20:35,147 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 554 567) the Hoare annotation is: true [2019-10-15 01:20:35,147 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 554 567) no Hoare annotation was computed. [2019-10-15 01:20:35,148 INFO L439 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2019-10-15 01:20:35,148 INFO L439 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse1 (and .cse3 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse4 .cse0 .cse1))) [2019-10-15 01:20:35,148 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 194) no Hoare annotation was computed. [2019-10-15 01:20:35,148 INFO L439 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse1))) [2019-10-15 01:20:35,148 INFO L443 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2019-10-15 01:20:35,148 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 178 202) no Hoare annotation was computed. [2019-10-15 01:20:35,148 INFO L443 ceAbstractionStarter]: For program point L182(lines 182 199) no Hoare annotation was computed. [2019-10-15 01:20:35,149 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 178 202) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:35,149 INFO L439 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:20:35,149 INFO L443 ceAbstractionStarter]: For program point L197-1(lines 178 202) no Hoare annotation was computed. [2019-10-15 01:20:35,149 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 118 124) no Hoare annotation was computed. [2019-10-15 01:20:35,149 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 118 124) the Hoare annotation is: true [2019-10-15 01:20:35,149 INFO L439 ceAbstractionStarter]: At program point L417(lines 366 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:35,149 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 357 424) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:35,150 INFO L439 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4) (and .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:35,150 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 357 424) no Hoare annotation was computed. [2019-10-15 01:20:35,150 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2019-10-15 01:20:35,150 INFO L439 ceAbstractionStarter]: At program point L405-1(lines 397 412) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4) (and .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:35,150 INFO L443 ceAbstractionStarter]: For program point L368(lines 367 416) no Hoare annotation was computed. [2019-10-15 01:20:35,150 INFO L439 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:35,150 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 412) no Hoare annotation was computed. [2019-10-15 01:20:35,151 INFO L439 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:35,151 INFO L443 ceAbstractionStarter]: For program point L387(lines 387 393) no Hoare annotation was computed. [2019-10-15 01:20:35,151 INFO L443 ceAbstractionStarter]: For program point L387-1(lines 387 393) no Hoare annotation was computed. [2019-10-15 01:20:35,151 INFO L439 ceAbstractionStarter]: At program point L414(lines 367 416) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:35,151 INFO L439 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (and (and .cse1 .cse2) (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2))) [2019-10-15 01:20:35,151 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 383) no Hoare annotation was computed. [2019-10-15 01:20:35,152 INFO L443 ceAbstractionStarter]: For program point L377-1(lines 377 383) no Hoare annotation was computed. [2019-10-15 01:20:35,152 INFO L443 ceAbstractionStarter]: For program point L369(lines 369 373) no Hoare annotation was computed. [2019-10-15 01:20:35,152 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 357 424) no Hoare annotation was computed. [2019-10-15 01:20:35,152 INFO L443 ceAbstractionStarter]: For program point L962-1(lines 962 982) no Hoare annotation was computed. [2019-10-15 01:20:35,152 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 948 993) no Hoare annotation was computed. [2019-10-15 01:20:35,152 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 948 993) no Hoare annotation was computed. [2019-10-15 01:20:35,152 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 948 993) no Hoare annotation was computed. [2019-10-15 01:20:35,152 INFO L443 ceAbstractionStarter]: For program point L968(lines 968 975) no Hoare annotation was computed. [2019-10-15 01:20:35,152 INFO L443 ceAbstractionStarter]: For program point L962(lines 962 982) no Hoare annotation was computed. [2019-10-15 01:20:35,153 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 203 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:20:35,153 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 203 210) no Hoare annotation was computed. [2019-10-15 01:20:35,153 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 203 210) no Hoare annotation was computed. [2019-10-15 01:20:35,153 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 568 576) no Hoare annotation was computed. [2019-10-15 01:20:35,153 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 568 576) the Hoare annotation is: true [2019-10-15 01:20:35,153 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 568 576) no Hoare annotation was computed. [2019-10-15 01:20:35,153 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-10-15 01:20:35,153 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 444 472) the Hoare annotation is: true [2019-10-15 01:20:35,154 INFO L439 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-15 01:20:35,154 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 463) no Hoare annotation was computed. [2019-10-15 01:20:35,154 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 466) no Hoare annotation was computed. [2019-10-15 01:20:35,154 INFO L439 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:20:35,154 INFO L443 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2019-10-15 01:20:35,154 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 469) no Hoare annotation was computed. [2019-10-15 01:20:35,154 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 444 472) no Hoare annotation was computed. [2019-10-15 01:20:35,154 INFO L443 ceAbstractionStarter]: For program point L452-1(lines 444 472) no Hoare annotation was computed. [2019-10-15 01:20:35,155 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-10-15 01:20:35,155 INFO L443 ceAbstractionStarter]: For program point L530-2(lines 530 538) no Hoare annotation was computed. [2019-10-15 01:20:35,155 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 522 544) no Hoare annotation was computed. [2019-10-15 01:20:35,155 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 522 544) no Hoare annotation was computed. [2019-10-15 01:20:35,155 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 522 544) no Hoare annotation was computed. [2019-10-15 01:20:35,156 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 538) no Hoare annotation was computed. [2019-10-15 01:20:35,156 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 436 443) the Hoare annotation is: true [2019-10-15 01:20:35,156 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 436 443) no Hoare annotation was computed. [2019-10-15 01:20:35,156 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 436 443) no Hoare annotation was computed. [2019-10-15 01:20:35,156 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:35,156 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:35,156 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:35,156 INFO L443 ceAbstractionStarter]: For program point L896(lines 896 900) no Hoare annotation was computed. [2019-10-15 01:20:35,156 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 845 947) no Hoare annotation was computed. [2019-10-15 01:20:35,157 INFO L443 ceAbstractionStarter]: For program point L894-2(lines 894 914) no Hoare annotation was computed. [2019-10-15 01:20:35,157 INFO L443 ceAbstractionStarter]: For program point L915(lines 893 916) no Hoare annotation was computed. [2019-10-15 01:20:35,158 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 890) no Hoare annotation was computed. [2019-10-15 01:20:35,158 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 941) no Hoare annotation was computed. [2019-10-15 01:20:35,158 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 845 947) no Hoare annotation was computed. [2019-10-15 01:20:35,158 INFO L443 ceAbstractionStarter]: For program point L895(lines 894 914) no Hoare annotation was computed. [2019-10-15 01:20:35,158 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-10-15 01:20:35,158 INFO L443 ceAbstractionStarter]: For program point L926-1(line 926) no Hoare annotation was computed. [2019-10-15 01:20:35,158 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 932) no Hoare annotation was computed. [2019-10-15 01:20:35,159 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 845 947) no Hoare annotation was computed. [2019-10-15 01:20:35,159 INFO L443 ceAbstractionStarter]: For program point L910(line 910) no Hoare annotation was computed. [2019-10-15 01:20:35,159 INFO L443 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2019-10-15 01:20:35,159 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 873) no Hoare annotation was computed. [2019-10-15 01:20:35,159 INFO L443 ceAbstractionStarter]: For program point L933(lines 933 944) no Hoare annotation was computed. [2019-10-15 01:20:35,159 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:35,159 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-15 01:20:35,159 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:35,160 INFO L439 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:20:35,160 INFO L443 ceAbstractionStarter]: For program point L222-1(lines 211 227) no Hoare annotation was computed. [2019-10-15 01:20:35,160 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 211 227) no Hoare annotation was computed. [2019-10-15 01:20:35,160 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 224) no Hoare annotation was computed. [2019-10-15 01:20:35,160 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 211 227) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:20:35,160 INFO L439 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:20:35,161 INFO L443 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2019-10-15 01:20:35,161 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 292 310) no Hoare annotation was computed. [2019-10-15 01:20:35,161 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-10-15 01:20:35,161 INFO L446 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2019-10-15 01:20:35,161 INFO L443 ceAbstractionStarter]: For program point L301-2(lines 301 305) no Hoare annotation was computed. [2019-10-15 01:20:35,161 INFO L443 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2019-10-15 01:20:35,161 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 292 310) the Hoare annotation is: true [2019-10-15 01:20:35,161 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 292 310) no Hoare annotation was computed. [2019-10-15 01:20:35,163 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 545 553) no Hoare annotation was computed. [2019-10-15 01:20:35,163 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 545 553) no Hoare annotation was computed. [2019-10-15 01:20:35,163 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 545 553) no Hoare annotation was computed. [2019-10-15 01:20:35,163 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 501 512) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1 (<= 1 ~methaneLevelCritical~0)) (or (= ~systemActive~0 0) .cse0 .cse2))) [2019-10-15 01:20:35,163 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 501 512) no Hoare annotation was computed. [2019-10-15 01:20:35,163 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 501 512) no Hoare annotation was computed. [2019-10-15 01:20:35,163 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:35,163 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:35,164 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:35,164 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 513 521) the Hoare annotation is: true [2019-10-15 01:20:35,164 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 513 521) no Hoare annotation was computed. [2019-10-15 01:20:35,164 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 513 521) no Hoare annotation was computed. [2019-10-15 01:20:35,164 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 94 117) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (not .cse5)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not .cse1)) (.cse8 (= ~systemActive~0 0)) (.cse9 (and (= ~pumpRunning~0 0) .cse10)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or .cse7 .cse4 .cse8) (or .cse4 .cse0 .cse9) (or .cse5 .cse0 .cse3 .cse6) (or .cse8 .cse7 .cse3) (or .cse4 .cse5 .cse6 .cse8) (or .cse6 .cse5 .cse8 .cse3) (or .cse9 .cse0 .cse3)))) [2019-10-15 01:20:35,165 INFO L439 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse6 (= 1 ~waterLevel~0))) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not .cse6)) (.cse10 (= ~systemActive~0 0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~systemActive~0))) (.cse7 (not .cse1))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or .cse5 .cse6 .cse7 .cse8) (or .cse5 (and .cse3 .cse4) .cse8) (or .cse9 .cse10 .cse8) (or .cse1 .cse5 .cse8 .cse2) (or .cse0 .cse10 .cse9) (or .cse0 .cse5 (and .cse6 .cse3) .cse7)))) [2019-10-15 01:20:35,165 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 94 117) no Hoare annotation was computed. [2019-10-15 01:20:35,165 INFO L439 ceAbstractionStarter]: At program point L105(lines 105 111) the Hoare annotation is: (let ((.cse4 (= 1 ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (not .cse7)) (.cse0 (and .cse10 .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not .cse4)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (and (not (= 0 ~systemActive~0)) .cse3)) (or .cse1 .cse4 .cse5 .cse2) (or .cse6 .cse7 .cse1 .cse8) (or .cse6 .cse1 .cse4 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0) .cse9 .cse2 .cse10) (or .cse6 .cse1 .cse0) (or .cse7 .cse1 .cse2 .cse8) (or .cse6 .cse9 .cse10)))) [2019-10-15 01:20:35,165 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 94 117) no Hoare annotation was computed. [2019-10-15 01:20:35,165 INFO L439 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse0 .cse3) (or .cse1 .cse4) (or .cse3 .cse2 .cse4))) [2019-10-15 01:20:35,166 INFO L443 ceAbstractionStarter]: For program point L98(lines 97 116) no Hoare annotation was computed. [2019-10-15 01:20:35,166 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 579 608) no Hoare annotation was computed. [2019-10-15 01:20:35,166 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 579 608) the Hoare annotation is: true [2019-10-15 01:20:35,166 INFO L446 ceAbstractionStarter]: At program point L604(lines 579 608) the Hoare annotation is: true [2019-10-15 01:20:35,166 INFO L443 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-10-15 01:20:35,166 INFO L443 ceAbstractionStarter]: For program point L593(lines 593 597) no Hoare annotation was computed. [2019-10-15 01:20:35,166 INFO L446 ceAbstractionStarter]: At program point L593-1(lines 593 597) the Hoare annotation is: true [2019-10-15 01:20:35,167 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-15 01:20:35,167 INFO L446 ceAbstractionStarter]: At program point L589-2(lines 589 603) the Hoare annotation is: true [2019-10-15 01:20:35,167 INFO L446 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: true [2019-10-15 01:20:35,167 INFO L443 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2019-10-15 01:20:35,167 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2019-10-15 01:20:35,167 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-15 01:20:35,167 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 477 488) no Hoare annotation was computed. [2019-10-15 01:20:35,167 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 633 639) no Hoare annotation was computed. [2019-10-15 01:20:35,167 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 633 639) the Hoare annotation is: true [2019-10-15 01:20:35,168 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:35,168 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 01:20:35,168 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:35,168 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:35,168 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 345 352) no Hoare annotation was computed. [2019-10-15 01:20:35,168 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 345 352) the Hoare annotation is: true [2019-10-15 01:20:35,168 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 345 352) no Hoare annotation was computed. [2019-10-15 01:20:35,168 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 126 150) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:35,169 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 126 150) no Hoare annotation was computed. [2019-10-15 01:20:35,169 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:20:35,169 INFO L443 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2019-10-15 01:20:35,169 INFO L439 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (.cse1 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 (and .cse0 .cse1)))) [2019-10-15 01:20:35,171 INFO L439 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 (and .cse0 .cse1)))) [2019-10-15 01:20:35,171 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2019-10-15 01:20:35,171 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:35,172 INFO L443 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2019-10-15 01:20:35,172 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2019-10-15 01:20:35,172 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 489 500) no Hoare annotation was computed. [2019-10-15 01:20:35,172 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 489 500) no Hoare annotation was computed. [2019-10-15 01:20:35,172 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 489 500) the Hoare annotation is: (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (or .cse2 .cse3)) (or .cse1 (or (= ~systemActive~0 0) .cse3)) (or .cse0 .cse2 .cse4 .cse5) (or .cse2 .cse4 .cse5 .cse3))) [2019-10-15 01:20:35,172 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 426 433) no Hoare annotation was computed. [2019-10-15 01:20:35,172 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 426 433) the Hoare annotation is: true [2019-10-15 01:20:35,173 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2019-10-15 01:20:35,173 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 426 433) no Hoare annotation was computed. [2019-10-15 01:20:35,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:35 BoogieIcfgContainer [2019-10-15 01:20:35,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:35,205 INFO L168 Benchmark]: Toolchain (without parser) took 22193.54 ms. Allocated memory was 143.7 MB in the beginning and 598.7 MB in the end (delta: 455.1 MB). Free memory was 101.8 MB in the beginning and 341.8 MB in the end (delta: -240.0 MB). Peak memory consumption was 434.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:35,206 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:35,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.87 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 167.0 MB in the end (delta: -65.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:35,207 INFO L168 Benchmark]: Boogie Preprocessor took 105.40 ms. Allocated memory is still 201.9 MB. Free memory was 167.0 MB in the beginning and 162.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:35,209 INFO L168 Benchmark]: RCFGBuilder took 1208.60 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 162.9 MB in the beginning and 190.4 MB in the end (delta: -27.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:35,217 INFO L168 Benchmark]: TraceAbstraction took 20179.13 ms. Allocated memory was 233.8 MB in the beginning and 598.7 MB in the end (delta: 364.9 MB). Free memory was 190.4 MB in the beginning and 341.8 MB in the end (delta: -151.4 MB). Peak memory consumption was 433.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:35,225 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 692.87 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 167.0 MB in the end (delta: -65.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.40 ms. Allocated memory is still 201.9 MB. Free memory was 167.0 MB in the beginning and 162.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1208.60 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 162.9 MB in the beginning and 190.4 MB in the end (delta: -27.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20179.13 ms. Allocated memory was 233.8 MB in the beginning and 598.7 MB in the end (delta: 364.9 MB). Free memory was 190.4 MB in the beginning and 341.8 MB in the end (delta: -151.4 MB). Peak memory consumption was 433.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 430]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 267 locations, 1 error locations. Result: SAFE, OverallTime: 20.0s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.9s, HoareTripleCheckerStatistics: 2536 SDtfs, 1342 SDslu, 5284 SDs, 0 SdLazy, 2135 SolverSat, 298 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1076 GetRequests, 967 SyntacticMatches, 15 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2433occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 381 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 5141 PreInvPairs, 5531 NumberOfFragments, 2097 HoareAnnotationTreeSize, 5141 FomulaSimplifications, 11215 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 75 FomulaSimplificationsInter, 25536 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1581 NumberOfCodeBlocks, 1581 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2047 ConstructedInterpolants, 0 QuantifiedInterpolants, 426963 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2835 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 328/348 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...