/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:58:19,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:58:19,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:58:19,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:58:19,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:58:19,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:58:19,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:58:19,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:58:19,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:58:19,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:58:19,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:58:19,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:58:19,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:58:19,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:58:19,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:58:19,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:58:19,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:58:19,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:58:19,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:58:19,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:58:19,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:58:19,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:58:19,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:58:19,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:58:19,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:58:19,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:58:19,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:58:19,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:58:19,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:58:19,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:58:19,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:58:19,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:58:19,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:58:19,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:58:19,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:58:19,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:58:19,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:58:19,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:58:19,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:58:19,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:58:19,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:58:19,772 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 [2019-11-07 00:58:19,786 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:58:19,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:58:19,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:58:19,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:58:19,788 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:58:19,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:58:19,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:58:19,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:58:19,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:58:19,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:58:19,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:58:19,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:58:19,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:58:19,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:58:19,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:58:19,790 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:58:19,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:58:19,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:58:19,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:58:19,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:58:19,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:58:19,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:58:19,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:58:19,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:58:19,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:58:19,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:58:19,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:58:19,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:58:19,793 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 [2019-11-07 00:58:20,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:58:20,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:58:20,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:58:20,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:58:20,124 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:58:20,124 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-11-07 00:58:20,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4286ccd2/d74c315fe622498586c165dcf937022f/FLAG5bc872403 [2019-11-07 00:58:20,783 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:58:20,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-11-07 00:58:20,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4286ccd2/d74c315fe622498586c165dcf937022f/FLAG5bc872403 [2019-11-07 00:58:21,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4286ccd2/d74c315fe622498586c165dcf937022f [2019-11-07 00:58:21,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:58:21,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:58:21,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:58:21,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:58:21,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:58:21,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:58:21" (1/1) ... [2019-11-07 00:58:21,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c8690e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21, skipping insertion in model container [2019-11-07 00:58:21,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:58:21" (1/1) ... [2019-11-07 00:58:21,057 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:58:21,111 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:58:21,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:58:21,537 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:58:21,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:58:21,677 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:58:21,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21 WrapperNode [2019-11-07 00:58:21,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:58:21,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:58:21,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:58:21,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:58:21,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21" (1/1) ... [2019-11-07 00:58:21,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21" (1/1) ... [2019-11-07 00:58:21,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21" (1/1) ... [2019-11-07 00:58:21,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21" (1/1) ... [2019-11-07 00:58:21,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21" (1/1) ... [2019-11-07 00:58:21,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21" (1/1) ... [2019-11-07 00:58:21,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21" (1/1) ... [2019-11-07 00:58:21,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:58:21,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:58:21,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:58:21,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:58:21,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21" (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 [2019-11-07 00:58:21,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:58:21,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:58:21,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 00:58:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 00:58:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 00:58:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 00:58:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 00:58:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 00:58:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 00:58:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 00:58:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 00:58:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-11-07 00:58:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 00:58:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 00:58:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 00:58:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 00:58:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:58:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 00:58:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 00:58:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 00:58:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 00:58:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 00:58:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 00:58:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 00:58:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 00:58:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 00:58:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 00:58:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 00:58:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 00:58:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 00:58:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 00:58:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 00:58:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 00:58:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 00:58:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 00:58:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 00:58:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 00:58:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 00:58:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 00:58:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:58:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:58:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 00:58:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 00:58:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 00:58:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 00:58:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 00:58:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 00:58:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 00:58:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 00:58:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:58:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 00:58:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 00:58:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-11-07 00:58:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 00:58:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 00:58:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 00:58:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 00:58:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 00:58:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 00:58:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 00:58:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 00:58:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 00:58:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 00:58:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:58:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 00:58:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 00:58:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:58:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:58:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 00:58:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:58:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:58:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:58:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:58:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 00:58:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:58:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 00:58:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 00:58:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:58:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 00:58:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 00:58:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 00:58:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 00:58:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 00:58:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 00:58:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 00:58:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 00:58:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 00:58:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 00:58:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 00:58:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:58:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:58:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:58:22,971 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:58:22,971 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 00:58:22,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:58:22 BoogieIcfgContainer [2019-11-07 00:58:22,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:58:22,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:58:22,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:58:22,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:58:22,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:58:21" (1/3) ... [2019-11-07 00:58:22,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bb64d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:58:22, skipping insertion in model container [2019-11-07 00:58:22,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21" (2/3) ... [2019-11-07 00:58:22,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bb64d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:58:22, skipping insertion in model container [2019-11-07 00:58:22,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:58:22" (3/3) ... [2019-11-07 00:58:22,981 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2019-11-07 00:58:22,992 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:58:23,001 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:58:23,013 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:58:23,040 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:58:23,040 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:58:23,040 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:58:23,041 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:58:23,041 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:58:23,041 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:58:23,041 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:58:23,041 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:58:23,064 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2019-11-07 00:58:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 00:58:23,074 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:23,075 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:23,078 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:23,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:23,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1763081390, now seen corresponding path program 1 times [2019-11-07 00:58:23,094 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:23,095 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623672723] [2019-11-07 00:58:23,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:23,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:58:23,396 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623672723] [2019-11-07 00:58:23,397 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:23,397 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 00:58:23,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880239765] [2019-11-07 00:58:23,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 00:58:23,408 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:23,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 00:58:23,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 00:58:23,426 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2019-11-07 00:58:23,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:23,507 INFO L93 Difference]: Finished difference Result 260 states and 325 transitions. [2019-11-07 00:58:23,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 00:58:23,508 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 00:58:23,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:23,524 INFO L225 Difference]: With dead ends: 260 [2019-11-07 00:58:23,524 INFO L226 Difference]: Without dead ends: 130 [2019-11-07 00:58:23,529 INFO L630 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 [2019-11-07 00:58:23,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-07 00:58:23,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-11-07 00:58:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-07 00:58:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2019-11-07 00:58:23,580 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 46 [2019-11-07 00:58:23,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:23,581 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2019-11-07 00:58:23,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 00:58:23,581 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2019-11-07 00:58:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 00:58:23,585 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:23,585 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:23,585 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:23,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:23,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1948835968, now seen corresponding path program 1 times [2019-11-07 00:58:23,586 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:23,586 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894389532] [2019-11-07 00:58:23,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:23,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:58:23,779 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894389532] [2019-11-07 00:58:23,779 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:23,780 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:58:23,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533747575] [2019-11-07 00:58:23,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:58:23,785 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:23,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:58:23,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:58:23,786 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 3 states. [2019-11-07 00:58:23,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:23,808 INFO L93 Difference]: Finished difference Result 209 states and 247 transitions. [2019-11-07 00:58:23,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:58:23,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 00:58:23,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:23,812 INFO L225 Difference]: With dead ends: 209 [2019-11-07 00:58:23,812 INFO L226 Difference]: Without dead ends: 121 [2019-11-07 00:58:23,814 INFO L630 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 [2019-11-07 00:58:23,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-07 00:58:23,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-11-07 00:58:23,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-07 00:58:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2019-11-07 00:58:23,831 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 47 [2019-11-07 00:58:23,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:23,831 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2019-11-07 00:58:23,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:58:23,832 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2019-11-07 00:58:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 00:58:23,835 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:23,835 INFO L410 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] [2019-11-07 00:58:23,836 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:23,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:23,836 INFO L82 PathProgramCache]: Analyzing trace with hash -970175768, now seen corresponding path program 1 times [2019-11-07 00:58:23,836 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:23,836 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622136878] [2019-11-07 00:58:23,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:58:23,967 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622136878] [2019-11-07 00:58:23,967 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:23,967 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:58:23,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319207317] [2019-11-07 00:58:23,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:58:23,971 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:23,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:58:23,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:58:23,972 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand 7 states. [2019-11-07 00:58:24,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:24,315 INFO L93 Difference]: Finished difference Result 218 states and 261 transitions. [2019-11-07 00:58:24,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:58:24,315 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-11-07 00:58:24,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:24,320 INFO L225 Difference]: With dead ends: 218 [2019-11-07 00:58:24,320 INFO L226 Difference]: Without dead ends: 121 [2019-11-07 00:58:24,322 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:58:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-07 00:58:24,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-11-07 00:58:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-07 00:58:24,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2019-11-07 00:58:24,343 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 51 [2019-11-07 00:58:24,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:24,343 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2019-11-07 00:58:24,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:58:24,344 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2019-11-07 00:58:24,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-07 00:58:24,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:24,350 INFO L410 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] [2019-11-07 00:58:24,351 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:24,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:24,355 INFO L82 PathProgramCache]: Analyzing trace with hash 137025886, now seen corresponding path program 1 times [2019-11-07 00:58:24,355 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:24,356 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158689275] [2019-11-07 00:58:24,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:58:24,570 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158689275] [2019-11-07 00:58:24,570 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:24,570 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:58:24,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028304425] [2019-11-07 00:58:24,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:58:24,571 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:24,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:58:24,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:58:24,574 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 5 states. [2019-11-07 00:58:25,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:25,087 INFO L93 Difference]: Finished difference Result 319 states and 386 transitions. [2019-11-07 00:58:25,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:58:25,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-11-07 00:58:25,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:25,095 INFO L225 Difference]: With dead ends: 319 [2019-11-07 00:58:25,095 INFO L226 Difference]: Without dead ends: 222 [2019-11-07 00:58:25,097 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:58:25,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-11-07 00:58:25,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 204. [2019-11-07 00:58:25,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-07 00:58:25,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 233 transitions. [2019-11-07 00:58:25,134 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 233 transitions. Word has length 64 [2019-11-07 00:58:25,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:25,135 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 233 transitions. [2019-11-07 00:58:25,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:58:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 233 transitions. [2019-11-07 00:58:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-07 00:58:25,137 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:25,137 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:25,137 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:25,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:25,138 INFO L82 PathProgramCache]: Analyzing trace with hash -274572639, now seen corresponding path program 1 times [2019-11-07 00:58:25,138 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:25,138 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475711351] [2019-11-07 00:58:25,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:58:25,262 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475711351] [2019-11-07 00:58:25,262 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:25,262 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:58:25,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78253198] [2019-11-07 00:58:25,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:58:25,264 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:25,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:58:25,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:58:25,265 INFO L87 Difference]: Start difference. First operand 204 states and 233 transitions. Second operand 6 states. [2019-11-07 00:58:25,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:25,497 INFO L93 Difference]: Finished difference Result 549 states and 649 transitions. [2019-11-07 00:58:25,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:58:25,498 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-11-07 00:58:25,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:25,503 INFO L225 Difference]: With dead ends: 549 [2019-11-07 00:58:25,503 INFO L226 Difference]: Without dead ends: 369 [2019-11-07 00:58:25,504 INFO L630 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 [2019-11-07 00:58:25,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-11-07 00:58:25,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 363. [2019-11-07 00:58:25,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-11-07 00:58:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 416 transitions. [2019-11-07 00:58:25,559 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 416 transitions. Word has length 78 [2019-11-07 00:58:25,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:25,559 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 416 transitions. [2019-11-07 00:58:25,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:58:25,560 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 416 transitions. [2019-11-07 00:58:25,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-07 00:58:25,561 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:25,561 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:25,562 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:25,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:25,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1223934493, now seen corresponding path program 1 times [2019-11-07 00:58:25,562 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:25,563 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057491911] [2019-11-07 00:58:25,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:25,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:58:25,721 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057491911] [2019-11-07 00:58:25,722 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:25,722 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:58:25,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847551740] [2019-11-07 00:58:25,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:58:25,723 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:25,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:58:25,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:58:25,724 INFO L87 Difference]: Start difference. First operand 363 states and 416 transitions. Second operand 7 states. [2019-11-07 00:58:26,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:26,286 INFO L93 Difference]: Finished difference Result 396 states and 466 transitions. [2019-11-07 00:58:26,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 00:58:26,287 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-11-07 00:58:26,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:26,290 INFO L225 Difference]: With dead ends: 396 [2019-11-07 00:58:26,291 INFO L226 Difference]: Without dead ends: 393 [2019-11-07 00:58:26,291 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 00:58:26,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-11-07 00:58:26,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 363. [2019-11-07 00:58:26,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-11-07 00:58:26,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 415 transitions. [2019-11-07 00:58:26,318 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 415 transitions. Word has length 82 [2019-11-07 00:58:26,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:26,319 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 415 transitions. [2019-11-07 00:58:26,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:58:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 415 transitions. [2019-11-07 00:58:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-07 00:58:26,321 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:26,321 INFO L410 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] [2019-11-07 00:58:26,321 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:26,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:26,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1913348729, now seen corresponding path program 1 times [2019-11-07 00:58:26,322 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:26,322 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780056254] [2019-11-07 00:58:26,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:26,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:58:26,391 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780056254] [2019-11-07 00:58:26,391 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:26,392 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:58:26,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533049751] [2019-11-07 00:58:26,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:58:26,393 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:26,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:58:26,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:58:26,393 INFO L87 Difference]: Start difference. First operand 363 states and 415 transitions. Second operand 6 states. [2019-11-07 00:58:26,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:26,463 INFO L93 Difference]: Finished difference Result 716 states and 838 transitions. [2019-11-07 00:58:26,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:58:26,463 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-11-07 00:58:26,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:26,466 INFO L225 Difference]: With dead ends: 716 [2019-11-07 00:58:26,466 INFO L226 Difference]: Without dead ends: 377 [2019-11-07 00:58:26,468 INFO L630 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 [2019-11-07 00:58:26,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-11-07 00:58:26,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 373. [2019-11-07 00:58:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-11-07 00:58:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2019-11-07 00:58:26,497 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 98 [2019-11-07 00:58:26,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:26,498 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2019-11-07 00:58:26,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:58:26,498 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2019-11-07 00:58:26,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-07 00:58:26,502 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:26,502 INFO L410 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] [2019-11-07 00:58:26,502 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:26,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:26,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1019862391, now seen corresponding path program 1 times [2019-11-07 00:58:26,503 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:26,503 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813409147] [2019-11-07 00:58:26,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:58:26,600 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813409147] [2019-11-07 00:58:26,601 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:26,601 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:58:26,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114633573] [2019-11-07 00:58:26,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:58:26,606 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:26,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:58:26,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:58:26,608 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 8 states. [2019-11-07 00:58:26,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:26,651 INFO L93 Difference]: Finished difference Result 736 states and 860 transitions. [2019-11-07 00:58:26,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:58:26,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-11-07 00:58:26,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:26,654 INFO L225 Difference]: With dead ends: 736 [2019-11-07 00:58:26,654 INFO L226 Difference]: Without dead ends: 387 [2019-11-07 00:58:26,656 INFO L630 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 [2019-11-07 00:58:26,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-11-07 00:58:26,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 381. [2019-11-07 00:58:26,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-11-07 00:58:26,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 433 transitions. [2019-11-07 00:58:26,678 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 433 transitions. Word has length 98 [2019-11-07 00:58:26,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:26,678 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 433 transitions. [2019-11-07 00:58:26,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:58:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 433 transitions. [2019-11-07 00:58:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-07 00:58:26,680 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:26,681 INFO L410 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] [2019-11-07 00:58:26,681 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:26,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:26,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1027621750, now seen corresponding path program 1 times [2019-11-07 00:58:26,682 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:26,682 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151948817] [2019-11-07 00:58:26,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:58:26,751 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151948817] [2019-11-07 00:58:26,751 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:26,752 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:58:26,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636823451] [2019-11-07 00:58:26,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:58:26,753 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:26,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:58:26,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:58:26,753 INFO L87 Difference]: Start difference. First operand 381 states and 433 transitions. Second operand 4 states. [2019-11-07 00:58:26,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:26,983 INFO L93 Difference]: Finished difference Result 1123 states and 1346 transitions. [2019-11-07 00:58:26,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:58:26,986 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-11-07 00:58:26,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:26,992 INFO L225 Difference]: With dead ends: 1123 [2019-11-07 00:58:26,992 INFO L226 Difference]: Without dead ends: 766 [2019-11-07 00:58:26,994 INFO L630 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 [2019-11-07 00:58:26,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2019-11-07 00:58:27,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 751. [2019-11-07 00:58:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2019-11-07 00:58:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 881 transitions. [2019-11-07 00:58:27,039 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 881 transitions. Word has length 98 [2019-11-07 00:58:27,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:27,039 INFO L462 AbstractCegarLoop]: Abstraction has 751 states and 881 transitions. [2019-11-07 00:58:27,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:58:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 881 transitions. [2019-11-07 00:58:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-07 00:58:27,042 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:27,042 INFO L410 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] [2019-11-07 00:58:27,042 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:27,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:27,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1865521988, now seen corresponding path program 1 times [2019-11-07 00:58:27,043 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:27,043 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916192376] [2019-11-07 00:58:27,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:58:27,222 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916192376] [2019-11-07 00:58:27,222 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702485772] [2019-11-07 00:58:27,222 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 [2019-11-07 00:58:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:27,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 00:58:27,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:58:27,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:58:27,711 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:58:28,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:58:28,682 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:58:28,682 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-11-07 00:58:28,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206896155] [2019-11-07 00:58:28,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:58:28,683 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:28,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:58:28,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:58:28,684 INFO L87 Difference]: Start difference. First operand 751 states and 881 transitions. Second operand 8 states. [2019-11-07 00:58:29,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:29,125 INFO L93 Difference]: Finished difference Result 1450 states and 1712 transitions. [2019-11-07 00:58:29,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:58:29,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2019-11-07 00:58:29,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:29,132 INFO L225 Difference]: With dead ends: 1450 [2019-11-07 00:58:29,133 INFO L226 Difference]: Without dead ends: 723 [2019-11-07 00:58:29,135 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 187 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:58:29,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2019-11-07 00:58:29,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2019-11-07 00:58:29,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2019-11-07 00:58:29,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 835 transitions. [2019-11-07 00:58:29,190 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 835 transitions. Word has length 102 [2019-11-07 00:58:29,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:29,191 INFO L462 AbstractCegarLoop]: Abstraction has 723 states and 835 transitions. [2019-11-07 00:58:29,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:58:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 835 transitions. [2019-11-07 00:58:29,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-07 00:58:29,196 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:29,197 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:29,404 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:58:29,404 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:29,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:29,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1092013826, now seen corresponding path program 1 times [2019-11-07 00:58:29,405 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:29,405 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127855222] [2019-11-07 00:58:29,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:58:29,519 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127855222] [2019-11-07 00:58:29,519 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74279937] [2019-11-07 00:58:29,520 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 [2019-11-07 00:58:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:29,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-07 00:58:29,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:58:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 00:58:29,877 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:58:30,165 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:58:30,165 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:58:30,166 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 9 [2019-11-07 00:58:30,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353179682] [2019-11-07 00:58:30,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:58:30,167 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:30,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:58:30,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:58:30,168 INFO L87 Difference]: Start difference. First operand 723 states and 835 transitions. Second operand 5 states. [2019-11-07 00:58:30,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:30,762 INFO L93 Difference]: Finished difference Result 1563 states and 1922 transitions. [2019-11-07 00:58:30,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:58:30,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2019-11-07 00:58:30,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:30,771 INFO L225 Difference]: With dead ends: 1563 [2019-11-07 00:58:30,771 INFO L226 Difference]: Without dead ends: 984 [2019-11-07 00:58:30,774 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 304 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:58:30,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2019-11-07 00:58:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 895. [2019-11-07 00:58:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2019-11-07 00:58:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1051 transitions. [2019-11-07 00:58:30,826 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1051 transitions. Word has length 153 [2019-11-07 00:58:30,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:30,827 INFO L462 AbstractCegarLoop]: Abstraction has 895 states and 1051 transitions. [2019-11-07 00:58:30,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:58:30,827 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1051 transitions. [2019-11-07 00:58:30,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-07 00:58:30,831 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:30,831 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:31,045 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:58:31,045 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:31,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:31,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1153565628, now seen corresponding path program 1 times [2019-11-07 00:58:31,046 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:31,046 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500334414] [2019-11-07 00:58:31,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:31,320 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 00:58:31,321 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500334414] [2019-11-07 00:58:31,321 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176119788] [2019-11-07 00:58:31,322 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 [2019-11-07 00:58:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:31,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 00:58:31,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:58:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-07 00:58:31,754 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:58:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 00:58:32,263 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:58:32,264 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-11-07 00:58:32,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33585214] [2019-11-07 00:58:32,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:58:32,265 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:32,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:58:32,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:58:32,266 INFO L87 Difference]: Start difference. First operand 895 states and 1051 transitions. Second operand 8 states. [2019-11-07 00:58:32,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:32,609 INFO L93 Difference]: Finished difference Result 1557 states and 1853 transitions. [2019-11-07 00:58:32,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:58:32,610 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2019-11-07 00:58:32,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:32,611 INFO L225 Difference]: With dead ends: 1557 [2019-11-07 00:58:32,611 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 00:58:32,616 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 291 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:58:32,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 00:58:32,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 00:58:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 00:58:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 00:58:32,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2019-11-07 00:58:32,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:32,618 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 00:58:32,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:58:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 00:58:32,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 00:58:32,852 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:58:32,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 00:58:34,022 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-11-07 00:58:34,493 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2019-11-07 00:58:34,624 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2019-11-07 00:58:34,911 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-11-07 00:58:35,393 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2019-11-07 00:58:36,346 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2019-11-07 00:58:36,483 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-11-07 00:58:36,597 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2019-11-07 00:58:36,772 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2019-11-07 00:58:36,916 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-11-07 00:58:37,417 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-11-07 00:58:37,419 INFO L443 ceAbstractionStarter]: For program point L413(lines 390 414) no Hoare annotation was computed. [2019-11-07 00:58:37,420 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 366 421) no Hoare annotation was computed. [2019-11-07 00:58:37,420 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 401) no Hoare annotation was computed. [2019-11-07 00:58:37,420 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 397 401) no Hoare annotation was computed. [2019-11-07 00:58:37,420 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-07 00:58:37,420 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2019-11-07 00:58:37,420 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2019-11-07 00:58:37,420 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2019-11-07 00:58:37,420 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-07 00:58:37,420 INFO L443 ceAbstractionStarter]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2019-11-07 00:58:37,420 INFO L443 ceAbstractionStarter]: For program point L474(lines 447 475) no Hoare annotation was computed. [2019-11-07 00:58:37,420 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2019-11-07 00:58:37,421 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-07 00:58:37,421 INFO L443 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2019-11-07 00:58:37,421 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2019-11-07 00:58:37,421 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2019-11-07 00:58:37,421 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 458) no Hoare annotation was computed. [2019-11-07 00:58:37,421 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2019-11-07 00:58:37,421 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 297 303) the Hoare annotation is: true [2019-11-07 00:58:37,421 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 297 303) no Hoare annotation was computed. [2019-11-07 00:58:37,421 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 304 312) no Hoare annotation was computed. [2019-11-07 00:58:37,421 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 304 312) the Hoare annotation is: true [2019-11-07 00:58:37,421 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 304 312) no Hoare annotation was computed. [2019-11-07 00:58:37,422 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:37,422 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2019-11-07 00:58:37,422 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2019-11-07 00:58:37,422 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:37,422 INFO L439 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:37,422 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2019-11-07 00:58:37,422 INFO L443 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2019-11-07 00:58:37,422 INFO L443 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2019-11-07 00:58:37,422 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:37,423 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:37,423 INFO L439 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:37,423 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-11-07 00:58:37,423 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-11-07 00:58:37,423 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 210 233) no Hoare annotation was computed. [2019-11-07 00:58:37,423 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-11-07 00:58:37,423 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-11-07 00:58:37,423 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-11-07 00:58:37,424 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 210 233) no Hoare annotation was computed. [2019-11-07 00:58:37,424 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-11-07 00:58:37,424 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 210 233) no Hoare annotation was computed. [2019-11-07 00:58:37,424 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-11-07 00:58:37,424 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-11-07 00:58:37,424 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-11-07 00:58:37,424 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-11-07 00:58:37,424 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-11-07 00:58:37,425 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-11-07 00:58:37,425 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-11-07 00:58:37,425 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-11-07 00:58:37,425 INFO L439 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-11-07 00:58:37,425 INFO L443 ceAbstractionStarter]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2019-11-07 00:58:37,425 INFO L439 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~6 0) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3 .cse0) (or .cse3 .cse0 .cse1))) [2019-11-07 00:58:37,426 INFO L439 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:58:37,426 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 798) no Hoare annotation was computed. [2019-11-07 00:58:37,426 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-11-07 00:58:37,426 INFO L443 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2019-11-07 00:58:37,426 INFO L443 ceAbstractionStarter]: For program point L786(lines 786 803) no Hoare annotation was computed. [2019-11-07 00:58:37,426 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 782 806) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:58:37,426 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 782 806) no Hoare annotation was computed. [2019-11-07 00:58:37,427 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 877 885) no Hoare annotation was computed. [2019-11-07 00:58:37,427 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 877 885) the Hoare annotation is: true [2019-11-07 00:58:37,427 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 877 885) no Hoare annotation was computed. [2019-11-07 00:58:37,427 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 901) no Hoare annotation was computed. [2019-11-07 00:58:37,427 INFO L443 ceAbstractionStarter]: For program point L893-2(lines 893 901) no Hoare annotation was computed. [2019-11-07 00:58:37,427 INFO L443 ceAbstractionStarter]: For program point L916(line 916) no Hoare annotation was computed. [2019-11-07 00:58:37,427 INFO L443 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2019-11-07 00:58:37,427 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 886 921) no Hoare annotation was computed. [2019-11-07 00:58:37,428 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 913) no Hoare annotation was computed. [2019-11-07 00:58:37,428 INFO L443 ceAbstractionStarter]: For program point L905-2(lines 905 913) no Hoare annotation was computed. [2019-11-07 00:58:37,428 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 886 921) no Hoare annotation was computed. [2019-11-07 00:58:37,428 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 886 921) no Hoare annotation was computed. [2019-11-07 00:58:37,428 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 290 296) no Hoare annotation was computed. [2019-11-07 00:58:37,428 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 290 296) the Hoare annotation is: true [2019-11-07 00:58:37,428 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2019-11-07 00:58:37,428 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2019-11-07 00:58:37,428 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 320 365) no Hoare annotation was computed. [2019-11-07 00:58:37,429 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 633 678) no Hoare annotation was computed. [2019-11-07 00:58:37,429 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 660) no Hoare annotation was computed. [2019-11-07 00:58:37,429 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2019-11-07 00:58:37,429 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 667) no Hoare annotation was computed. [2019-11-07 00:58:37,429 INFO L443 ceAbstractionStarter]: For program point L647-1(lines 647 667) no Hoare annotation was computed. [2019-11-07 00:58:37,429 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2019-11-07 00:58:37,429 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:37,430 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2019-11-07 00:58:37,430 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2019-11-07 00:58:37,430 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 866 876) the Hoare annotation is: true [2019-11-07 00:58:37,430 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 866 876) no Hoare annotation was computed. [2019-11-07 00:58:37,430 INFO L446 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2019-11-07 00:58:37,430 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 866 876) no Hoare annotation was computed. [2019-11-07 00:58:37,430 INFO L443 ceAbstractionStarter]: For program point L871-1(line 871) no Hoare annotation was computed. [2019-11-07 00:58:37,430 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 858 865) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0 .cse2))) [2019-11-07 00:58:37,431 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 858 865) no Hoare annotation was computed. [2019-11-07 00:58:37,431 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 858 865) no Hoare annotation was computed. [2019-11-07 00:58:37,431 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-11-07 00:58:37,431 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-11-07 00:58:37,431 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-11-07 00:58:37,431 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-11-07 00:58:37,431 INFO L439 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-11-07 00:58:37,431 INFO L443 ceAbstractionStarter]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2019-11-07 00:58:37,431 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2019-11-07 00:58:37,432 INFO L439 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-11-07 00:58:37,432 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:58:37,432 INFO L439 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) .cse2)) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-11-07 00:58:37,432 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 824) no Hoare annotation was computed. [2019-11-07 00:58:37,432 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-11-07 00:58:37,432 INFO L443 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2019-11-07 00:58:37,433 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 829) no Hoare annotation was computed. [2019-11-07 00:58:37,433 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2019-11-07 00:58:37,433 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2019-11-07 00:58:37,433 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 680 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:37,433 INFO L439 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:58:37,433 INFO L439 ceAbstractionStarter]: At program point L733(lines 690 735) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:58:37,433 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 706) no Hoare annotation was computed. [2019-11-07 00:58:37,434 INFO L443 ceAbstractionStarter]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2019-11-07 00:58:37,434 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 680 743) no Hoare annotation was computed. [2019-11-07 00:58:37,434 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-11-07 00:58:37,434 INFO L439 ceAbstractionStarter]: At program point L736(lines 689 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:37,434 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 730) no Hoare annotation was computed. [2019-11-07 00:58:37,434 INFO L439 ceAbstractionStarter]: At program point L726-2(lines 720 731) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:58:37,434 INFO L443 ceAbstractionStarter]: For program point L691(lines 690 735) no Hoare annotation was computed. [2019-11-07 00:58:37,434 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 731) no Hoare annotation was computed. [2019-11-07 00:58:37,435 INFO L439 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:58:37,435 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 716) no Hoare annotation was computed. [2019-11-07 00:58:37,435 INFO L443 ceAbstractionStarter]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2019-11-07 00:58:37,435 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 680 743) no Hoare annotation was computed. [2019-11-07 00:58:37,435 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 614) no Hoare annotation was computed. [2019-11-07 00:58:37,435 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2019-11-07 00:58:37,435 INFO L443 ceAbstractionStarter]: For program point L601(lines 601 621) no Hoare annotation was computed. [2019-11-07 00:58:37,435 INFO L443 ceAbstractionStarter]: For program point L601-1(lines 601 621) no Hoare annotation was computed. [2019-11-07 00:58:37,436 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2019-11-07 00:58:37,436 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 587 632) no Hoare annotation was computed. [2019-11-07 00:58:37,436 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 833 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 00:58:37,436 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2019-11-07 00:58:37,436 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 833 840) no Hoare annotation was computed. [2019-11-07 00:58:37,436 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-11-07 00:58:37,436 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-11-07 00:58:37,436 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-11-07 00:58:37,436 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-11-07 00:58:37,437 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-11-07 00:58:37,437 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 280 289) no Hoare annotation was computed. [2019-11-07 00:58:37,437 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 280 289) no Hoare annotation was computed. [2019-11-07 00:58:37,437 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 280 289) no Hoare annotation was computed. [2019-11-07 00:58:37,437 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2019-11-07 00:58:37,437 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-11-07 00:58:37,437 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 583) no Hoare annotation was computed. [2019-11-07 00:58:37,437 INFO L443 ceAbstractionStarter]: For program point L535(lines 535 539) no Hoare annotation was computed. [2019-11-07 00:58:37,437 INFO L443 ceAbstractionStarter]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2019-11-07 00:58:37,438 INFO L443 ceAbstractionStarter]: For program point L554(lines 532 555) no Hoare annotation was computed. [2019-11-07 00:58:37,438 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2019-11-07 00:58:37,438 INFO L443 ceAbstractionStarter]: For program point L513(lines 513 529) no Hoare annotation was computed. [2019-11-07 00:58:37,438 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 580) no Hoare annotation was computed. [2019-11-07 00:58:37,438 INFO L443 ceAbstractionStarter]: For program point L534(lines 533 553) no Hoare annotation was computed. [2019-11-07 00:58:37,438 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-07 00:58:37,438 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-11-07 00:58:37,438 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 571) no Hoare annotation was computed. [2019-11-07 00:58:37,439 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2019-11-07 00:58:37,439 INFO L443 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-11-07 00:58:37,439 INFO L443 ceAbstractionStarter]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-11-07 00:58:37,439 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:58:37,439 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)) [2019-11-07 00:58:37,439 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:58:37,439 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2019-11-07 00:58:37,439 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-11-07 00:58:37,440 INFO L443 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2019-11-07 00:58:37,440 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 841 857) no Hoare annotation was computed. [2019-11-07 00:58:37,440 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 841 857) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-11-07 00:58:37,440 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-11-07 00:58:37,440 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 841 857) no Hoare annotation was computed. [2019-11-07 00:58:37,440 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-11-07 00:58:37,440 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-11-07 00:58:37,441 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-11-07 00:58:37,441 INFO L446 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: true [2019-11-07 00:58:37,441 INFO L443 ceAbstractionStarter]: For program point L931-2(lines 931 935) no Hoare annotation was computed. [2019-11-07 00:58:37,441 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 922 940) no Hoare annotation was computed. [2019-11-07 00:58:37,441 INFO L443 ceAbstractionStarter]: For program point L929-1(line 929) no Hoare annotation was computed. [2019-11-07 00:58:37,441 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 922 940) the Hoare annotation is: true [2019-11-07 00:58:37,441 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 922 940) no Hoare annotation was computed. [2019-11-07 00:58:37,441 INFO L443 ceAbstractionStarter]: For program point L931(lines 931 935) no Hoare annotation was computed. [2019-11-07 00:58:37,441 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-11-07 00:58:37,442 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-11-07 00:58:37,442 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-11-07 00:58:37,442 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:58:37,442 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 00:58:37,442 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:58:37,442 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-11-07 00:58:37,442 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-11-07 00:58:37,442 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-11-07 00:58:37,443 INFO L439 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse6 (= 1 ~waterLevel~0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not .cse3)) (.cse4 (and (not .cse6) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse8) (or .cse6 .cse0 .cse5 .cse1 .cse7) (or .cse3 .cse4 .cse1 .cse8 .cse5)))) [2019-11-07 00:58:37,443 INFO L439 ceAbstractionStarter]: At program point L761(lines 761 767) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse6)) (.cse3 (and .cse5 .cse11 .cse10)) (.cse0 (not .cse11)) (.cse7 (not .cse1)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse4 .cse6 .cse7 .cse8) (or .cse1 (and .cse2 .cse9) .cse5 .cse4 .cse8) (or .cse0 .cse3 .cse4 (and .cse10 .cse9)) (or .cse6 .cse0 .cse5 .cse4 .cse7) (or .cse10 (and (<= 2 ~waterLevel~0) .cse9) .cse4 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-11-07 00:58:37,443 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (and .cse1 .cse2 .cse3)) (or .cse1 .cse0 .cse4) (or (and .cse2 .cse3) .cse0 .cse4))) [2019-11-07 00:58:37,443 INFO L443 ceAbstractionStarter]: For program point L754(lines 753 772) no Hoare annotation was computed. [2019-11-07 00:58:37,443 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 750 773) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse5)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4) (or .cse7 .cse8 .cse1) (or .cse2 .cse8 .cse0 .cse1 .cse3) (or .cse7 .cse1 .cse4) (or .cse8 .cse5 .cse1 .cse6)))) [2019-11-07 00:58:37,444 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2019-11-07 00:58:37,444 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2019-11-07 00:58:37,444 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-11-07 00:58:37,444 INFO L446 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2019-11-07 00:58:37,444 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2019-11-07 00:58:37,444 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-07 00:58:37,444 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2019-11-07 00:58:37,444 INFO L446 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2019-11-07 00:58:37,445 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-11-07 00:58:37,445 INFO L443 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2019-11-07 00:58:37,445 INFO L446 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2019-11-07 00:58:37,445 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-11-07 00:58:37,445 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse2)))) [2019-11-07 00:58:37,445 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-11-07 00:58:37,445 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-11-07 00:58:37,445 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2019-11-07 00:58:37,446 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2019-11-07 00:58:37,446 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:58:37,446 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)) [2019-11-07 00:58:37,446 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:58:37,446 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:58:37,446 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-11-07 00:58:37,446 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-11-07 00:58:37,446 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse1 .cse4)) (or .cse6 (or .cse0 .cse1) .cse5) (or .cse2 .cse6 .cse0 .cse1 .cse3))) [2019-11-07 00:58:37,447 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-11-07 00:58:37,447 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2019-11-07 00:58:37,447 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2019-11-07 00:58:37,447 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2019-11-07 00:58:37,447 INFO L439 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 00:58:37,447 INFO L443 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2019-11-07 00:58:37,447 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 172) no Hoare annotation was computed. [2019-11-07 00:58:37,447 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 151 175) no Hoare annotation was computed. [2019-11-07 00:58:37,448 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-11-07 00:58:37,448 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 151 175) the Hoare annotation is: true [2019-11-07 00:58:37,448 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-11-07 00:58:37,448 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 151 175) no Hoare annotation was computed. [2019-11-07 00:58:37,448 INFO L439 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:58:37,448 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2019-11-07 00:58:37,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:58:37 BoogieIcfgContainer [2019-11-07 00:58:37,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 00:58:37,464 INFO L168 Benchmark]: Toolchain (without parser) took 16421.49 ms. Allocated memory was 142.6 MB in the beginning and 475.0 MB in the end (delta: 332.4 MB). Free memory was 98.1 MB in the beginning and 283.6 MB in the end (delta: -185.5 MB). Peak memory consumption was 349.4 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:37,465 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 142.6 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 00:58:37,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.69 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 97.9 MB in the beginning and 167.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:37,467 INFO L168 Benchmark]: Boogie Preprocessor took 114.13 ms. Allocated memory is still 200.3 MB. Free memory was 167.5 MB in the beginning and 163.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:37,467 INFO L168 Benchmark]: RCFGBuilder took 1180.26 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 162.4 MB in the beginning and 193.9 MB in the end (delta: -31.5 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:37,468 INFO L168 Benchmark]: TraceAbstraction took 14488.21 ms. Allocated memory was 228.6 MB in the beginning and 475.0 MB in the end (delta: 246.4 MB). Free memory was 193.9 MB in the beginning and 283.6 MB in the end (delta: -89.7 MB). Peak memory consumption was 359.2 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:37,472 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 142.6 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.69 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 97.9 MB in the beginning and 167.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.13 ms. Allocated memory is still 200.3 MB. Free memory was 167.5 MB in the beginning and 163.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1180.26 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 162.4 MB in the beginning and 193.9 MB in the end (delta: -31.5 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14488.21 ms. Allocated memory was 228.6 MB in the beginning and 475.0 MB in the end (delta: 246.4 MB). Free memory was 193.9 MB in the beginning and 283.6 MB in the end (delta: -89.7 MB). Peak memory consumption was 359.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 1 error locations. Result: SAFE, OverallTime: 14.4s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, HoareTripleCheckerStatistics: 2073 SDtfs, 1140 SDslu, 4766 SDs, 0 SdLazy, 1869 SolverSat, 379 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 938 GetRequests, 825 SyntacticMatches, 13 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=895occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 168 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1887 PreInvPairs, 2013 NumberOfFragments, 1572 HoareAnnotationTreeSize, 1887 FomulaSimplifications, 4019 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 60 FomulaSimplificationsInter, 10684 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1478 NumberOfCodeBlocks, 1478 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1868 ConstructedInterpolants, 0 QuantifiedInterpolants, 347429 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2519 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 290/306 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...