/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 16:49:49,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 16:49:49,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 16:49:49,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 16:49:49,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 16:49:49,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 16:49:49,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 16:49:49,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 16:49:49,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 16:49:49,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 16:49:49,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 16:49:49,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 16:49:49,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 16:49:49,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 16:49:49,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 16:49:49,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 16:49:49,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 16:49:49,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 16:49:49,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 16:49:49,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 16:49:49,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 16:49:49,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 16:49:49,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 16:49:49,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 16:49:49,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 16:49:49,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 16:49:49,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 16:49:49,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 16:49:49,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 16:49:49,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 16:49:49,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 16:49:49,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 16:49:49,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 16:49:49,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 16:49:49,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 16:49:49,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 16:49:49,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 16:49:49,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 16:49:49,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 16:49:49,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 16:49:49,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 16:49:49,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 16:49:49,755 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 16:49:49,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 16:49:49,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 16:49:49,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 16:49:49,756 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 16:49:49,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 16:49:49,757 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 16:49:49,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 16:49:49,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 16:49:49,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 16:49:49,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 16:49:49,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 16:49:49,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 16:49:49,758 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 16:49:49,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 16:49:49,759 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 16:49:49,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 16:49:49,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 16:49:49,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 16:49:49,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 16:49:49,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 16:49:49,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 16:49:49,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 16:49:49,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 16:49:49,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 16:49:49,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 16:49:49,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 16:49:49,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 16:49:49,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 16:49:49,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 16:49:50,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 16:49:50,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 16:49:50,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 16:49:50,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 16:49:50,109 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 16:49:50,110 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2020-08-18 16:49:50,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2ef277df/e7381b7a5d7844aa8d164c62c5803b59/FLAG3e945aa86 [2020-08-18 16:49:50,665 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 16:49:50,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2020-08-18 16:49:50,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2ef277df/e7381b7a5d7844aa8d164c62c5803b59/FLAG3e945aa86 [2020-08-18 16:49:51,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2ef277df/e7381b7a5d7844aa8d164c62c5803b59 [2020-08-18 16:49:51,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 16:49:51,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 16:49:51,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 16:49:51,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 16:49:51,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 16:49:51,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:49:51" (1/1) ... [2020-08-18 16:49:51,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e42023b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51, skipping insertion in model container [2020-08-18 16:49:51,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:49:51" (1/1) ... [2020-08-18 16:49:51,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 16:49:51,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 16:49:51,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:49:51,571 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 16:49:51,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:49:51,676 INFO L208 MainTranslator]: Completed translation [2020-08-18 16:49:51,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51 WrapperNode [2020-08-18 16:49:51,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 16:49:51,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 16:49:51,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 16:49:51,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 16:49:51,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51" (1/1) ... [2020-08-18 16:49:51,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51" (1/1) ... [2020-08-18 16:49:51,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51" (1/1) ... [2020-08-18 16:49:51,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51" (1/1) ... [2020-08-18 16:49:51,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51" (1/1) ... [2020-08-18 16:49:51,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51" (1/1) ... [2020-08-18 16:49:51,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51" (1/1) ... [2020-08-18 16:49:51,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 16:49:51,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 16:49:51,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 16:49:51,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 16:49:51,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 16:49:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 16:49:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 16:49:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 16:49:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 16:49:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 16:49:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 16:49:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 16:49:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 16:49:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 16:49:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 16:49:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 16:49:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 16:49:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 16:49:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 16:49:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 16:49:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 16:49:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 16:49:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 16:49:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 16:49:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 16:49:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 16:49:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 16:49:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 16:49:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 16:49:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 16:49:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 16:49:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 16:49:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 16:49:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 16:49:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 16:49:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 16:49:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 16:49:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 16:49:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 16:49:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 16:49:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 16:49:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 16:49:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 16:49:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 16:49:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 16:49:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 16:49:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 16:49:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 16:49:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 16:49:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 16:49:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 16:49:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 16:49:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 16:49:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 16:49:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 16:49:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 16:49:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 16:49:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 16:49:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 16:49:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 16:49:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 16:49:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 16:49:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 16:49:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 16:49:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 16:49:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 16:49:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 16:49:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 16:49:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 16:49:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 16:49:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 16:49:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 16:49:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 16:49:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 16:49:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 16:49:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 16:49:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 16:49:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 16:49:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 16:49:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 16:49:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 16:49:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 16:49:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 16:49:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 16:49:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 16:49:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 16:49:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 16:49:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 16:49:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 16:49:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 16:49:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 16:49:52,817 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 16:49:52,817 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 16:49:52,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:49:52 BoogieIcfgContainer [2020-08-18 16:49:52,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 16:49:52,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 16:49:52,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 16:49:52,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 16:49:52,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 04:49:51" (1/3) ... [2020-08-18 16:49:52,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc2d425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:49:52, skipping insertion in model container [2020-08-18 16:49:52,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51" (2/3) ... [2020-08-18 16:49:52,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc2d425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:49:52, skipping insertion in model container [2020-08-18 16:49:52,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:49:52" (3/3) ... [2020-08-18 16:49:52,835 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2020-08-18 16:49:52,846 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 16:49:52,856 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 16:49:52,872 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 16:49:52,900 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 16:49:52,900 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 16:49:52,900 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 16:49:52,901 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 16:49:52,901 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 16:49:52,901 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 16:49:52,901 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 16:49:52,902 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 16:49:52,924 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-08-18 16:49:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 16:49:52,936 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:49:52,937 INFO L422 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] [2020-08-18 16:49:52,937 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:49:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:49:52,944 INFO L82 PathProgramCache]: Analyzing trace with hash 3662400, now seen corresponding path program 1 times [2020-08-18 16:49:52,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:49:52,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511832733] [2020-08-18 16:49:52,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:49:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:53,512 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:49:53,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:49:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:53,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:49:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:53,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:49:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:53,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:49:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:53,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:49:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:53,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 16:49:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:53,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 16:49:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:49:53,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511832733] [2020-08-18 16:49:53,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:49:53,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 16:49:53,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761554034] [2020-08-18 16:49:53,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 16:49:53,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:49:53,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 16:49:53,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:49:53,661 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 3 states. [2020-08-18 16:49:54,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:49:54,526 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2020-08-18 16:49:54,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 16:49:54,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 16:49:54,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:49:54,542 INFO L225 Difference]: With dead ends: 219 [2020-08-18 16:49:54,542 INFO L226 Difference]: Without dead ends: 120 [2020-08-18 16:49:54,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:49:54,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-08-18 16:49:54,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2020-08-18 16:49:54,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-08-18 16:49:54,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-08-18 16:49:54,624 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2020-08-18 16:49:54,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:49:54,625 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-08-18 16:49:54,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 16:49:54,625 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-08-18 16:49:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 16:49:54,629 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:49:54,629 INFO L422 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] [2020-08-18 16:49:54,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 16:49:54,629 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:49:54,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:49:54,630 INFO L82 PathProgramCache]: Analyzing trace with hash -306482980, now seen corresponding path program 1 times [2020-08-18 16:49:54,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:49:54,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580150260] [2020-08-18 16:49:54,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:49:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:54,955 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:49:54,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:49:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:55,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:49:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:55,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:49:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:55,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:49:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:55,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:49:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:55,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 16:49:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:55,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 16:49:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:49:55,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580150260] [2020-08-18 16:49:55,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:49:55,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 16:49:55,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190367787] [2020-08-18 16:49:55,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 16:49:55,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:49:55,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 16:49:55,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 16:49:55,043 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2020-08-18 16:49:55,458 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:49:55,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:49:55,979 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2020-08-18 16:49:55,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 16:49:55,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 16:49:55,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:49:55,983 INFO L225 Difference]: With dead ends: 143 [2020-08-18 16:49:55,983 INFO L226 Difference]: Without dead ends: 104 [2020-08-18 16:49:55,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 16:49:55,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-08-18 16:49:56,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2020-08-18 16:49:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-08-18 16:49:56,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-08-18 16:49:56,013 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2020-08-18 16:49:56,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:49:56,013 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-08-18 16:49:56,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 16:49:56,014 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-08-18 16:49:56,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 16:49:56,015 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:49:56,016 INFO L422 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] [2020-08-18 16:49:56,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 16:49:56,016 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:49:56,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:49:56,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1187758501, now seen corresponding path program 1 times [2020-08-18 16:49:56,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:49:56,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601902098] [2020-08-18 16:49:56,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:49:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:56,298 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:49:56,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:49:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:56,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:49:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:56,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:49:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:56,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:49:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:56,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:49:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:56,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 16:49:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:56,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 16:49:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:49:56,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601902098] [2020-08-18 16:49:56,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:49:56,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:49:56,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94794525] [2020-08-18 16:49:56,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:49:56,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:49:56,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:49:56,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:49:56,413 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 8 states. [2020-08-18 16:49:56,762 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:49:57,061 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:49:57,308 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:49:57,552 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:49:58,197 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:49:59,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:49:59,096 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2020-08-18 16:49:59,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 16:49:59,100 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 16:49:59,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:49:59,103 INFO L225 Difference]: With dead ends: 287 [2020-08-18 16:49:59,103 INFO L226 Difference]: Without dead ends: 230 [2020-08-18 16:49:59,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 16:49:59,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-08-18 16:49:59,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 168. [2020-08-18 16:49:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-08-18 16:49:59,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 200 transitions. [2020-08-18 16:49:59,163 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 200 transitions. Word has length 51 [2020-08-18 16:49:59,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:49:59,163 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 200 transitions. [2020-08-18 16:49:59,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:49:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 200 transitions. [2020-08-18 16:49:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-18 16:49:59,165 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:49:59,166 INFO L422 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] [2020-08-18 16:49:59,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 16:49:59,166 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:49:59,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:49:59,166 INFO L82 PathProgramCache]: Analyzing trace with hash -5484303, now seen corresponding path program 1 times [2020-08-18 16:49:59,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:49:59,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923371611] [2020-08-18 16:49:59,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:49:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:59,458 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:49:59,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:49:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:59,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:49:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:59,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:49:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:59,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:49:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:59,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:49:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:59,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 16:49:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:59,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 16:49:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:59,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-18 16:49:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:49:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:49:59,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923371611] [2020-08-18 16:49:59,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:49:59,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 16:49:59,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752339186] [2020-08-18 16:49:59,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 16:49:59,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:49:59,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 16:49:59,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 16:49:59,573 INFO L87 Difference]: Start difference. First operand 168 states and 200 transitions. Second operand 7 states. [2020-08-18 16:49:59,944 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:50:00,755 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:01,006 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:01,230 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:01,442 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:50:01,700 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:50:02,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:50:02,029 INFO L93 Difference]: Finished difference Result 508 states and 647 transitions. [2020-08-18 16:50:02,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 16:50:02,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-08-18 16:50:02,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:50:02,035 INFO L225 Difference]: With dead ends: 508 [2020-08-18 16:50:02,035 INFO L226 Difference]: Without dead ends: 364 [2020-08-18 16:50:02,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-08-18 16:50:02,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-08-18 16:50:02,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 291. [2020-08-18 16:50:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-08-18 16:50:02,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2020-08-18 16:50:02,112 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 54 [2020-08-18 16:50:02,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:50:02,112 INFO L479 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2020-08-18 16:50:02,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 16:50:02,113 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2020-08-18 16:50:02,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-18 16:50:02,115 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:50:02,115 INFO L422 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] [2020-08-18 16:50:02,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 16:50:02,116 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:50:02,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:50:02,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1905030509, now seen corresponding path program 1 times [2020-08-18 16:50:02,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:50:02,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674755311] [2020-08-18 16:50:02,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:50:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:02,394 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:50:02,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:50:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:02,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:50:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:02,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:50:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:02,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:50:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:02,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:50:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:02,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 16:50:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:02,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 16:50:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:02,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 16:50:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:02,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 16:50:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:50:02,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674755311] [2020-08-18 16:50:02,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:50:02,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:50:02,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553638027] [2020-08-18 16:50:02,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:50:02,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:50:02,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:50:02,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:50:02,494 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand 8 states. [2020-08-18 16:50:02,844 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:50:03,580 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:03,839 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:04,069 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:04,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:50:04,227 INFO L93 Difference]: Finished difference Result 591 states and 756 transitions. [2020-08-18 16:50:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 16:50:04,228 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-08-18 16:50:04,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:50:04,230 INFO L225 Difference]: With dead ends: 591 [2020-08-18 16:50:04,230 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 16:50:04,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 16:50:04,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 16:50:04,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 16:50:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 16:50:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 16:50:04,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-08-18 16:50:04,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:50:04,238 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 16:50:04,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:50:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 16:50:04,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 16:50:04,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 16:50:04,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 16:50:06,726 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:07,197 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-08-18 16:50:07,348 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:07,657 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 16:50:07,838 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:08,019 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:08,176 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:08,368 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:50:08,522 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 16:50:08,680 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 16:50:08,981 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 16:50:09,172 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 16:50:09,313 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 16:50:09,614 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 16:50:09,761 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 16:50:09,950 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 16:50:10,118 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 16:50:10,404 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 16:50:10,697 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-08-18 16:50:10,843 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 16:50:10,995 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:10,999 INFO L268 CegarLoopResult]: For program point L609(lines 586 610) no Hoare annotation was computed. [2020-08-18 16:50:10,999 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 562 617) no Hoare annotation was computed. [2020-08-18 16:50:10,999 INFO L268 CegarLoopResult]: For program point L593(lines 593 597) no Hoare annotation was computed. [2020-08-18 16:50:10,999 INFO L268 CegarLoopResult]: For program point L593-1(lines 593 597) no Hoare annotation was computed. [2020-08-18 16:50:11,000 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-18 16:50:11,000 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 608) no Hoare annotation was computed. [2020-08-18 16:50:11,000 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 562 617) no Hoare annotation was computed. [2020-08-18 16:50:11,000 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 562 617) no Hoare annotation was computed. [2020-08-18 16:50:11,000 INFO L268 CegarLoopResult]: For program point L670(lines 643 671) no Hoare annotation was computed. [2020-08-18 16:50:11,000 INFO L268 CegarLoopResult]: For program point L663(line 663) no Hoare annotation was computed. [2020-08-18 16:50:11,000 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-08-18 16:50:11,000 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 618 677) no Hoare annotation was computed. [2020-08-18 16:50:11,000 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 618 677) no Hoare annotation was computed. [2020-08-18 16:50:11,000 INFO L268 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2020-08-18 16:50:11,000 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 618 677) no Hoare annotation was computed. [2020-08-18 16:50:11,001 INFO L268 CegarLoopResult]: For program point L650-1(lines 650 654) no Hoare annotation was computed. [2020-08-18 16:50:11,001 INFO L268 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2020-08-18 16:50:11,001 INFO L268 CegarLoopResult]: For program point L644-2(lines 644 669) no Hoare annotation was computed. [2020-08-18 16:50:11,001 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2020-08-18 16:50:11,001 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2020-08-18 16:50:11,001 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2020-08-18 16:50:11,001 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2020-08-18 16:50:11,001 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2020-08-18 16:50:11,002 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-18 16:50:11,002 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-18 16:50:11,002 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:11,002 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:11,002 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:11,002 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:11,003 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-18 16:50:11,003 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-18 16:50:11,003 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:11,003 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:11,003 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-18 16:50:11,003 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-18 16:50:11,003 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-18 16:50:11,004 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-18 16:50:11,004 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-18 16:50:11,004 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-18 16:50:11,004 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 16:50:11,004 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-18 16:50:11,004 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-18 16:50:11,004 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 16:50:11,004 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-18 16:50:11,005 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-18 16:50:11,005 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 16:50:11,005 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-18 16:50:11,005 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-18 16:50:11,005 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 16:50:11,005 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-18 16:50:11,005 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-18 16:50:11,005 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 311 325) no Hoare annotation was computed. [2020-08-18 16:50:11,006 INFO L264 CegarLoopResult]: At program point L317(line 317) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 16:50:11,006 INFO L268 CegarLoopResult]: For program point L315(lines 315 321) no Hoare annotation was computed. [2020-08-18 16:50:11,006 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 311 325) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 16:50:11,006 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 311 325) no Hoare annotation was computed. [2020-08-18 16:50:11,006 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 221 228) no Hoare annotation was computed. [2020-08-18 16:50:11,006 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 221 228) no Hoare annotation was computed. [2020-08-18 16:50:11,006 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 221 228) no Hoare annotation was computed. [2020-08-18 16:50:11,006 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 266 274) no Hoare annotation was computed. [2020-08-18 16:50:11,006 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 266 274) the Hoare annotation is: true [2020-08-18 16:50:11,007 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 266 274) no Hoare annotation was computed. [2020-08-18 16:50:11,007 INFO L268 CegarLoopResult]: For program point L282(lines 282 290) no Hoare annotation was computed. [2020-08-18 16:50:11,007 INFO L268 CegarLoopResult]: For program point L282-2(lines 282 290) no Hoare annotation was computed. [2020-08-18 16:50:11,007 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-08-18 16:50:11,007 INFO L268 CegarLoopResult]: For program point L305-1(line 305) no Hoare annotation was computed. [2020-08-18 16:50:11,007 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 275 310) no Hoare annotation was computed. [2020-08-18 16:50:11,007 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 275 310) no Hoare annotation was computed. [2020-08-18 16:50:11,007 INFO L268 CegarLoopResult]: For program point L294(lines 294 302) no Hoare annotation was computed. [2020-08-18 16:50:11,007 INFO L268 CegarLoopResult]: For program point L294-2(lines 294 302) no Hoare annotation was computed. [2020-08-18 16:50:11,007 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 275 310) no Hoare annotation was computed. [2020-08-18 16:50:11,008 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2020-08-18 16:50:11,008 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2020-08-18 16:50:11,008 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 516 561) no Hoare annotation was computed. [2020-08-18 16:50:11,008 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 516 561) no Hoare annotation was computed. [2020-08-18 16:50:11,008 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 516 561) no Hoare annotation was computed. [2020-08-18 16:50:11,008 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 829 874) no Hoare annotation was computed. [2020-08-18 16:50:11,008 INFO L268 CegarLoopResult]: For program point L849(lines 849 856) no Hoare annotation was computed. [2020-08-18 16:50:11,008 INFO L268 CegarLoopResult]: For program point L843(lines 843 863) no Hoare annotation was computed. [2020-08-18 16:50:11,008 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 829 874) no Hoare annotation was computed. [2020-08-18 16:50:11,008 INFO L268 CegarLoopResult]: For program point L843-1(lines 843 863) no Hoare annotation was computed. [2020-08-18 16:50:11,009 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 829 874) no Hoare annotation was computed. [2020-08-18 16:50:11,009 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:11,009 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-18 16:50:11,009 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-18 16:50:11,009 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 255 265) no Hoare annotation was computed. [2020-08-18 16:50:11,009 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 255 265) no Hoare annotation was computed. [2020-08-18 16:50:11,009 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 255 265) no Hoare annotation was computed. [2020-08-18 16:50:11,009 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-08-18 16:50:11,009 INFO L268 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-08-18 16:50:11,009 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 247 254) the Hoare annotation is: true [2020-08-18 16:50:11,009 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 247 254) no Hoare annotation was computed. [2020-08-18 16:50:11,009 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 247 254) no Hoare annotation was computed. [2020-08-18 16:50:11,010 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 214 220) no Hoare annotation was computed. [2020-08-18 16:50:11,010 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 214 220) the Hoare annotation is: true [2020-08-18 16:50:11,010 INFO L264 CegarLoopResult]: At program point testENTRY(lines 327 392) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:11,010 INFO L264 CegarLoopResult]: At program point L382(lines 337 384) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:50:11,010 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:50:11,010 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-08-18 16:50:11,010 INFO L268 CegarLoopResult]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2020-08-18 16:50:11,011 INFO L268 CegarLoopResult]: For program point testFINAL(lines 327 392) no Hoare annotation was computed. [2020-08-18 16:50:11,011 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-08-18 16:50:11,011 INFO L264 CegarLoopResult]: At program point L385(lines 336 386) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:11,011 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:50:11,011 INFO L268 CegarLoopResult]: For program point L373(lines 373 379) no Hoare annotation was computed. [2020-08-18 16:50:11,011 INFO L264 CegarLoopResult]: At program point L373-1(lines 367 380) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:50:11,011 INFO L268 CegarLoopResult]: For program point L338(lines 337 384) no Hoare annotation was computed. [2020-08-18 16:50:11,012 INFO L268 CegarLoopResult]: For program point L367(lines 367 380) no Hoare annotation was computed. [2020-08-18 16:50:11,012 INFO L264 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:50:11,012 INFO L268 CegarLoopResult]: For program point L357(lines 357 363) no Hoare annotation was computed. [2020-08-18 16:50:11,012 INFO L268 CegarLoopResult]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2020-08-18 16:50:11,012 INFO L268 CegarLoopResult]: For program point testEXIT(lines 327 392) no Hoare annotation was computed. [2020-08-18 16:50:11,012 INFO L268 CegarLoopResult]: For program point L797(lines 797 817) no Hoare annotation was computed. [2020-08-18 16:50:11,012 INFO L268 CegarLoopResult]: For program point L797-1(lines 797 817) no Hoare annotation was computed. [2020-08-18 16:50:11,013 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 783 828) no Hoare annotation was computed. [2020-08-18 16:50:11,013 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 783 828) no Hoare annotation was computed. [2020-08-18 16:50:11,013 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 783 828) no Hoare annotation was computed. [2020-08-18 16:50:11,013 INFO L268 CegarLoopResult]: For program point L803(lines 803 810) no Hoare annotation was computed. [2020-08-18 16:50:11,013 INFO L268 CegarLoopResult]: For program point L459(lines 459 467) no Hoare annotation was computed. [2020-08-18 16:50:11,013 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 467) no Hoare annotation was computed. [2020-08-18 16:50:11,013 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 451 473) no Hoare annotation was computed. [2020-08-18 16:50:11,013 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 451 473) no Hoare annotation was computed. [2020-08-18 16:50:11,014 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 451 473) no Hoare annotation was computed. [2020-08-18 16:50:11,014 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2020-08-18 16:50:11,014 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2020-08-18 16:50:11,014 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2020-08-18 16:50:11,014 INFO L268 CegarLoopResult]: For program point L704(lines 704 708) no Hoare annotation was computed. [2020-08-18 16:50:11,014 INFO L268 CegarLoopResult]: For program point L768(lines 768 779) no Hoare annotation was computed. [2020-08-18 16:50:11,014 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 680 782) no Hoare annotation was computed. [2020-08-18 16:50:11,014 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-08-18 16:50:11,014 INFO L268 CegarLoopResult]: For program point L729-2(lines 729 749) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point L750(lines 728 751) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 680 782) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point L709(lines 709 725) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point L769(lines 769 776) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point L730(lines 729 749) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point L761(line 761) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point L726(lines 726 767) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 680 782) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point L745(line 745) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point L745-1(line 745) no Hoare annotation was computed. [2020-08-18 16:50:11,015 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:50:11,016 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 16:50:11,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:50:11,016 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-08-18 16:50:11,016 INFO L268 CegarLoopResult]: For program point L241-1(lines 230 246) no Hoare annotation was computed. [2020-08-18 16:50:11,016 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-08-18 16:50:11,016 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 230 246) no Hoare annotation was computed. [2020-08-18 16:50:11,016 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-08-18 16:50:11,016 INFO L268 CegarLoopResult]: For program point L235-1(line 235) no Hoare annotation was computed. [2020-08-18 16:50:11,017 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 230 246) no Hoare annotation was computed. [2020-08-18 16:50:11,017 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 474 482) no Hoare annotation was computed. [2020-08-18 16:50:11,017 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 474 482) no Hoare annotation was computed. [2020-08-18 16:50:11,017 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 474 482) no Hoare annotation was computed. [2020-08-18 16:50:11,017 INFO L268 CegarLoopResult]: For program point L434-1(lines 430 441) no Hoare annotation was computed. [2020-08-18 16:50:11,017 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 430 441) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 16:50:11,017 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 430 441) no Hoare annotation was computed. [2020-08-18 16:50:11,017 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:50:11,017 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 16:50:11,017 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:50:11,017 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 16:50:11,017 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2020-08-18 16:50:11,018 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2020-08-18 16:50:11,018 INFO L264 CegarLoopResult]: At program point L201(lines 201 207) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 16:50:11,018 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2020-08-18 16:50:11,018 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 16:50:11,018 INFO L268 CegarLoopResult]: For program point L194(lines 193 212) no Hoare annotation was computed. [2020-08-18 16:50:11,018 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-18 16:50:11,018 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-18 16:50:11,018 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-18 16:50:11,018 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-18 16:50:11,018 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-18 16:50:11,018 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-18 16:50:11,018 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-18 16:50:11,019 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-18 16:50:11,019 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-18 16:50:11,019 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-18 16:50:11,019 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 442 450) the Hoare annotation is: true [2020-08-18 16:50:11,019 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 442 450) no Hoare annotation was computed. [2020-08-18 16:50:11,019 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 442 450) no Hoare annotation was computed. [2020-08-18 16:50:11,019 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 406 417) the Hoare annotation is: true [2020-08-18 16:50:11,019 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 406 417) no Hoare annotation was computed. [2020-08-18 16:50:11,019 INFO L268 CegarLoopResult]: For program point L410-1(lines 406 417) no Hoare annotation was computed. [2020-08-18 16:50:11,019 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-18 16:50:11,019 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-18 16:50:11,020 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:50:11,020 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 16:50:11,020 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 16:50:11,020 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:50:11,020 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 418 429) no Hoare annotation was computed. [2020-08-18 16:50:11,020 INFO L268 CegarLoopResult]: For program point L422-1(lines 418 429) no Hoare annotation was computed. [2020-08-18 16:50:11,020 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 418 429) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 16:50:11,020 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 394 401) no Hoare annotation was computed. [2020-08-18 16:50:11,020 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2020-08-18 16:50:11,020 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 394 401) the Hoare annotation is: true [2020-08-18 16:50:11,021 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 394 401) no Hoare annotation was computed. [2020-08-18 16:50:11,021 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 484 508) the Hoare annotation is: true [2020-08-18 16:50:11,021 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 484 508) no Hoare annotation was computed. [2020-08-18 16:50:11,021 INFO L264 CegarLoopResult]: At program point L498(line 498) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 16:50:11,021 INFO L268 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2020-08-18 16:50:11,021 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 16:50:11,021 INFO L268 CegarLoopResult]: For program point L494-1(line 494) no Hoare annotation was computed. [2020-08-18 16:50:11,021 INFO L268 CegarLoopResult]: For program point L492(lines 492 505) no Hoare annotation was computed. [2020-08-18 16:50:11,021 INFO L268 CegarLoopResult]: For program point L492-1(lines 484 508) no Hoare annotation was computed. [2020-08-18 16:50:11,021 INFO L271 CegarLoopResult]: At program point L490(line 490) the Hoare annotation is: true [2020-08-18 16:50:11,021 INFO L268 CegarLoopResult]: For program point L490-1(line 490) no Hoare annotation was computed. [2020-08-18 16:50:11,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 04:50:11 BoogieIcfgContainer [2020-08-18 16:50:11,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 16:50:11,038 INFO L168 Benchmark]: Toolchain (without parser) took 19997.52 ms. Allocated memory was 142.1 MB in the beginning and 600.3 MB in the end (delta: 458.2 MB). Free memory was 104.3 MB in the beginning and 357.6 MB in the end (delta: -253.2 MB). Peak memory consumption was 437.2 MB. Max. memory is 7.1 GB. [2020-08-18 16:50:11,039 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 16:50:11,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.08 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 104.1 MB in the beginning and 171.1 MB in the end (delta: -66.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-08-18 16:50:11,041 INFO L168 Benchmark]: Boogie Preprocessor took 113.84 ms. Allocated memory is still 203.9 MB. Free memory was 171.1 MB in the beginning and 167.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-08-18 16:50:11,042 INFO L168 Benchmark]: RCFGBuilder took 1034.44 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 167.2 MB in the beginning and 192.2 MB in the end (delta: -25.0 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2020-08-18 16:50:11,043 INFO L168 Benchmark]: TraceAbstraction took 18208.64 ms. Allocated memory was 233.3 MB in the beginning and 600.3 MB in the end (delta: 367.0 MB). Free memory was 192.2 MB in the beginning and 357.6 MB in the end (delta: -165.3 MB). Peak memory consumption was 433.9 MB. Max. memory is 7.1 GB. [2020-08-18 16:50:11,047 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.08 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 104.1 MB in the beginning and 171.1 MB in the end (delta: -66.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.84 ms. Allocated memory is still 203.9 MB. Free memory was 171.1 MB in the beginning and 167.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1034.44 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 167.2 MB in the beginning and 192.2 MB in the end (delta: -25.0 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18208.64 ms. Allocated memory was 233.3 MB in the beginning and 600.3 MB in the end (delta: 367.0 MB). Free memory was 192.2 MB in the beginning and 357.6 MB in the end (delta: -165.3 MB). Peak memory consumption was 433.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 398]: 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: 336]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 388 SDtfs, 580 SDslu, 352 SDs, 0 SdLazy, 1429 SolverSat, 351 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 188 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 328 PreInvPairs, 397 NumberOfFragments, 617 HoareAnnotationTreeSize, 328 FomulaSimplifications, 46016 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 14346 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 69776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...