/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 produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:03:01,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:03:01,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:03:01,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:03:01,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:03:01,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:03:01,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:03:01,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:03:01,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:03:01,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:03:01,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:03:01,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:03:01,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:03:01,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:03:01,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:03:01,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:03:01,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:03:01,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:03:01,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:03:01,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:03:01,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:03:01,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:03:01,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:03:01,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:03:01,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:03:01,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:03:01,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:03:01,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:03:01,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:03:01,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:03:01,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:03:01,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:03:01,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:03:01,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:03:01,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:03:01,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:03:01,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:03:01,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:03:01,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:03:01,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:03:01,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:03:01,739 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 [2020-09-21 11:03:01,766 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:03:01,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:03:01,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:03:01,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:03:01,768 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:03:01,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:03:01,768 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:03:01,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:03:01,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:03:01,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:03:01,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:03:01,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:03:01,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:03:01,770 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:03:01,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:03:01,770 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:03:01,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:03:01,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:03:01,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:03:01,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:03:01,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:03:01,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:01,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:03:01,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:03:01,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:03:01,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:03:01,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:03:01,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:03:01,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:03:01,773 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 -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:03:02,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:03:02,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:03:02,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:03:02,976 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:03:02,977 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:03:02,979 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2020-09-21 11:03:03,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/364336a9a/44ec75f03806416fa8b4fd7d682a5742/FLAG39744355d [2020-09-21 11:03:03,611 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:03:03,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2020-09-21 11:03:03,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/364336a9a/44ec75f03806416fa8b4fd7d682a5742/FLAG39744355d [2020-09-21 11:03:03,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/364336a9a/44ec75f03806416fa8b4fd7d682a5742 [2020-09-21 11:03:03,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:03:03,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:03:03,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:03,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:03:03,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:03:03,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:03" (1/1) ... [2020-09-21 11:03:03,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:03, skipping insertion in model container [2020-09-21 11:03:03,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:03" (1/1) ... [2020-09-21 11:03:03,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:03:03,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:03:04,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:04,359 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:03:04,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:04,583 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:03:04,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04 WrapperNode [2020-09-21 11:03:04,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:04,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:03:04,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:03:04,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:03:04,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:03:04,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:03:04,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:03:04,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:03:04,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (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 [2020-09-21 11:03:04,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:03:04,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:03:04,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:04,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:03:04,771 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:03:04,772 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:03:04,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:03:04,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:03:04,773 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:03:04,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:03:04,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:03:04,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:03:04,774 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:03:04,774 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:03:04,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:04,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:04,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:03:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:03:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:03:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:03:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:03:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:03:04,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:03:04,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:03:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:03:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:03:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:03:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:03:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:03:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:03:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:03:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:03:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:03:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:03:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:03:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:03:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:03:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:03:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:03:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:03:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:03:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:03:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:03:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:03:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:03:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:03:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:03:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:03:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:03:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:03:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:03:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:03:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:03:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:03:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:03:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:03:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:03:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:03:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:03:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:03:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:03:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:03:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:03:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:03:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:03:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:03:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:03:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:03:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:03:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:03:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:03:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:03:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:03:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:03:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:03:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:03:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:03:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:03:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:03:05,840 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:03:05,841 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:03:05,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:05 BoogieIcfgContainer [2020-09-21 11:03:05,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:03:05,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:03:05,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:03:05,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:03:05,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:03:03" (1/3) ... [2020-09-21 11:03:05,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76929ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:05, skipping insertion in model container [2020-09-21 11:03:05,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (2/3) ... [2020-09-21 11:03:05,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76929ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:05, skipping insertion in model container [2020-09-21 11:03:05,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:05" (3/3) ... [2020-09-21 11:03:05,862 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2020-09-21 11:03:05,871 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:03:05,881 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:03:05,902 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:03:05,935 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:03:05,935 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:03:05,935 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:03:05,935 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:03:05,936 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:03:05,936 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:03:05,936 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:03:05,936 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:03:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-09-21 11:03:05,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:03:05,977 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:05,978 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] [2020-09-21 11:03:05,979 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:05,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:05,987 INFO L82 PathProgramCache]: Analyzing trace with hash 667254028, now seen corresponding path program 1 times [2020-09-21 11:03:05,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:06,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [859364870] [2020-09-21 11:03:06,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:03:06,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:03:06,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:03:06,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,791 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:06,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:06,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:06,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:06,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:06,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:06,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:03:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:06,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:06,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [859364870] [2020-09-21 11:03:06,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:06,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:03:06,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816370101] [2020-09-21 11:03:06,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:03:06,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:06,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:03:06,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:06,992 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 3 states. [2020-09-21 11:03:07,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:07,977 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-09-21 11:03:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:03:07,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:03:07,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:07,997 INFO L225 Difference]: With dead ends: 228 [2020-09-21 11:03:07,998 INFO L226 Difference]: Without dead ends: 125 [2020-09-21 11:03:08,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:08,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-21 11:03:08,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-09-21 11:03:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-21 11:03:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-09-21 11:03:08,108 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-09-21 11:03:08,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:08,108 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-09-21 11:03:08,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:03:08,109 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-09-21 11:03:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:03:08,116 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:08,116 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] [2020-09-21 11:03:08,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:03:08,118 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:08,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:08,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1006475212, now seen corresponding path program 1 times [2020-09-21 11:03:08,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:08,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213850315] [2020-09-21 11:03:08,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:03:08,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:03:08,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:08,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:03:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:03:08,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,483 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:08,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:08,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:08,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213850315] [2020-09-21 11:03:08,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:08,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:08,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116049418] [2020-09-21 11:03:08,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:08,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:08,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:08,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:08,574 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-09-21 11:03:09,019 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:09,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:09,612 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-09-21 11:03:09,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:09,612 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:03:09,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:09,615 INFO L225 Difference]: With dead ends: 148 [2020-09-21 11:03:09,615 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 11:03:09,617 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 [2020-09-21 11:03:09,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 11:03:09,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-09-21 11:03:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-21 11:03:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-09-21 11:03:09,649 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-09-21 11:03:09,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:09,649 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-09-21 11:03:09,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-09-21 11:03:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:03:09,651 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:09,652 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] [2020-09-21 11:03:09,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:03:09,652 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:09,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:09,653 INFO L82 PathProgramCache]: Analyzing trace with hash 882475242, now seen corresponding path program 1 times [2020-09-21 11:03:09,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:09,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434397322] [2020-09-21 11:03:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:03:10,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:03:10,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-09-21 11:03:10,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:03:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:03:10,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,422 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:10,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:10,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-21 11:03:10,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:10,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:10,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:10,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:10,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:10,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:10,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:10,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:10,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:10,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:10,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:10,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:10,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:10,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:03:10,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:10,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:10,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:10,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:10,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:10,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:10,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:10,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:10,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:10,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:10,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:10,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:10,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:03:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:10,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:10,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:10,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:10,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:10,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:03:10,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:10,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434397322] [2020-09-21 11:03:10,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:10,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:10,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132726087] [2020-09-21 11:03:10,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:10,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:10,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:10,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:10,649 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 4 states. [2020-09-21 11:03:11,023 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:12,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:12,042 INFO L93 Difference]: Finished difference Result 239 states and 292 transitions. [2020-09-21 11:03:12,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:12,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:03:12,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:12,045 INFO L225 Difference]: With dead ends: 239 [2020-09-21 11:03:12,045 INFO L226 Difference]: Without dead ends: 178 [2020-09-21 11:03:12,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:12,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-09-21 11:03:12,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 130. [2020-09-21 11:03:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-09-21 11:03:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-09-21 11:03:12,093 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 52 [2020-09-21 11:03:12,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:12,094 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-09-21 11:03:12,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-09-21 11:03:12,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 11:03:12,096 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:12,096 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] [2020-09-21 11:03:12,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:03:12,096 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:12,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:12,097 INFO L82 PathProgramCache]: Analyzing trace with hash 231939386, now seen corresponding path program 1 times [2020-09-21 11:03:12,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:12,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [224376926] [2020-09-21 11:03:12,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:03:12,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-09-21 11:03:12,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:03:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,774 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:12,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:12,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:03:12,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:12,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:12,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:12,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:12,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:12,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:12,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:12,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:12,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:12,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:12,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:12,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:12,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:12,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:03:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:12,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:12,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:12,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:03:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:12,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:12,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:12,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:12,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:03:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:12,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:03:12,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:12,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [224376926] [2020-09-21 11:03:12,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:12,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:03:12,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722194204] [2020-09-21 11:03:12,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:03:12,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:12,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:03:12,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:03:12,943 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 7 states. [2020-09-21 11:03:13,467 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:14,518 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:14,868 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:15,201 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:15,489 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:15,843 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:16,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:16,225 INFO L93 Difference]: Finished difference Result 383 states and 480 transitions. [2020-09-21 11:03:16,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:03:16,225 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-09-21 11:03:16,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:16,230 INFO L225 Difference]: With dead ends: 383 [2020-09-21 11:03:16,230 INFO L226 Difference]: Without dead ends: 277 [2020-09-21 11:03:16,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:03:16,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-21 11:03:16,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 221. [2020-09-21 11:03:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-09-21 11:03:16,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 260 transitions. [2020-09-21 11:03:16,288 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 260 transitions. Word has length 55 [2020-09-21 11:03:16,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:16,289 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 260 transitions. [2020-09-21 11:03:16,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:03:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 260 transitions. [2020-09-21 11:03:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:03:16,291 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:16,291 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, 1] [2020-09-21 11:03:16,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:03:16,295 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:16,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:16,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1273020098, now seen corresponding path program 1 times [2020-09-21 11:03:16,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:16,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55475305] [2020-09-21 11:03:16,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:16,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:16,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:16,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:16,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:16,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:03:16,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:16,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-09-21 11:03:16,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:16,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:16,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:16,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:03:16,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:16,998 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:16,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:17,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:03:17,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:17,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:17,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:17,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:17,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:17,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:17,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:17,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:17,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:17,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:17,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:17,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:17,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:17,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:17,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:17,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:17,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:17,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:03:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:17,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:17,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:17,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:17,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:03:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:17,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:17,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:17,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:03:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:17,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:17,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:03:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:17,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:17,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:17,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:17,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:17,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55475305] [2020-09-21 11:03:17,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:17,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:03:17,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410399508] [2020-09-21 11:03:17,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:03:17,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:17,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:03:17,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:03:17,210 INFO L87 Difference]: Start difference. First operand 221 states and 260 transitions. Second operand 8 states. [2020-09-21 11:03:17,632 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:18,614 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:18,963 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:19,284 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:19,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:19,458 INFO L93 Difference]: Finished difference Result 443 states and 557 transitions. [2020-09-21 11:03:19,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:03:19,459 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 11:03:19,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:19,459 INFO L225 Difference]: With dead ends: 443 [2020-09-21 11:03:19,460 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:03:19,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:03:19,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:03:19,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:03:19,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:03:19,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:03:19,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-09-21 11:03:19,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:19,464 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:03:19,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:03:19,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:03:19,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:03:19,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:03:19,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:03:19,686 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:19,871 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:20,035 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:20,205 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:20,365 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:20,526 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:20,790 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-21 11:03:20,981 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:21,269 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:21,422 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:21,758 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:22,144 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:03:22,467 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:22,736 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:23,010 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:23,270 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:23,415 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:23,727 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:24,088 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:03:24,405 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:24,668 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:24,923 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:25,187 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-21 11:03:25,340 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:25,501 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:25,819 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:26,137 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:26,451 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 11:03:26,771 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:26,913 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:27,066 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:27,221 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:27,373 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:27,517 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:27,665 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:27,817 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:27,971 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:28,120 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:28,268 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:28,423 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:28,566 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:28,714 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:28,862 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:29,011 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:29,165 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:29,318 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:29,470 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:29,622 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:29,766 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:29,914 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:30,062 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:30,205 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:30,357 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,510 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,663 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,811 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:30,967 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:31,116 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:31,260 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:31,411 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:31,563 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:31,715 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:31,880 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:32,028 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:32,183 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:32,329 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:32,482 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:32,631 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:32,785 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:32,939 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:33,090 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:33,240 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:33,384 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:33,534 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:33,705 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:33,858 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:34,177 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:34,491 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 11:03:34,808 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:35,126 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:35,272 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:35,420 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:35,701 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:35,922 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:36,142 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:36,391 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:36,736 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:03:37,097 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:03:37,331 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:37,702 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-09-21 11:03:37,932 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:38,147 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:38,345 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:38,550 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:38,984 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 11:03:39,198 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 11:03:39,588 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:03:39,794 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:40,039 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:40,212 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:40,610 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 11:03:40,836 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:41,266 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 11:03:41,489 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 8 [2020-09-21 11:03:41,493 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-09-21 11:03:41,493 INFO L268 CegarLoopResult]: For program point L345-1(lines 345 349) no Hoare annotation was computed. [2020-09-21 11:03:41,493 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-09-21 11:03:41,493 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 314 369) no Hoare annotation was computed. [2020-09-21 11:03:41,493 INFO L268 CegarLoopResult]: For program point L339-2(lines 339 360) no Hoare annotation was computed. [2020-09-21 11:03:41,494 INFO L268 CegarLoopResult]: For program point L361(lines 338 362) no Hoare annotation was computed. [2020-09-21 11:03:41,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 314 369) no Hoare annotation was computed. [2020-09-21 11:03:41,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 314 369) no Hoare annotation was computed. [2020-09-21 11:03:41,494 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 11:03:41,494 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-09-21 11:03:41,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 370 429) no Hoare annotation was computed. [2020-09-21 11:03:41,494 INFO L268 CegarLoopResult]: For program point L402(lines 402 406) no Hoare annotation was computed. [2020-09-21 11:03:41,495 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 406) no Hoare annotation was computed. [2020-09-21 11:03:41,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 370 429) no Hoare annotation was computed. [2020-09-21 11:03:41,495 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-09-21 11:03:41,495 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 421) no Hoare annotation was computed. [2020-09-21 11:03:41,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 370 429) no Hoare annotation was computed. [2020-09-21 11:03:41,495 INFO L268 CegarLoopResult]: For program point L422(lines 395 423) no Hoare annotation was computed. [2020-09-21 11:03:41,496 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 730 736) the Hoare annotation is: true [2020-09-21 11:03:41,496 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 730 736) no Hoare annotation was computed. [2020-09-21 11:03:41,496 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 737 745) no Hoare annotation was computed. [2020-09-21 11:03:41,496 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 737 745) the Hoare annotation is: true [2020-09-21 11:03:41,497 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 737 745) no Hoare annotation was computed. [2020-09-21 11:03:41,497 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 845 867) 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))) [2020-09-21 11:03:41,497 INFO L264 CegarLoopResult]: At program point L857(line 857) 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))) [2020-09-21 11:03:41,497 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 845 867) no Hoare annotation was computed. [2020-09-21 11:03:41,498 INFO L264 CegarLoopResult]: At program point L857-1(line 857) 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))) [2020-09-21 11:03:41,498 INFO L268 CegarLoopResult]: For program point L855(lines 855 862) no Hoare annotation was computed. [2020-09-21 11:03:41,498 INFO L268 CegarLoopResult]: For program point L855-1(lines 855 862) no Hoare annotation was computed. [2020-09-21 11:03:41,498 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-09-21 11:03:41,498 INFO L264 CegarLoopResult]: At program point L852(line 852) 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))) [2020-09-21 11:03:41,498 INFO L264 CegarLoopResult]: At program point L851(line 851) 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))) [2020-09-21 11:03:41,499 INFO L264 CegarLoopResult]: At program point L851-1(line 851) 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))) [2020-09-21 11:03:41,499 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 845 867) no Hoare annotation was computed. [2020-09-21 11:03:41,499 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 804 827) no Hoare annotation was computed. [2020-09-21 11:03:41,499 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 804 827) no Hoare annotation was computed. [2020-09-21 11:03:41,499 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 804 827) no Hoare annotation was computed. [2020-09-21 11:03:41,499 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-09-21 11:03:41,499 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-09-21 11:03:41,500 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-09-21 11:03:41,500 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-09-21 11:03:41,500 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-09-21 11:03:41,500 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-09-21 11:03:41,500 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-09-21 11:03:41,500 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-09-21 11:03:41,500 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-09-21 11:03:41,500 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-09-21 11:03:41,500 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-09-21 11:03:41,501 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-09-21 11:03:41,501 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-09-21 11:03:41,501 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-09-21 11:03:41,501 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 238 252) no Hoare annotation was computed. [2020-09-21 11:03:41,501 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 238 252) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:03:41,501 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 238 252) no Hoare annotation was computed. [2020-09-21 11:03:41,501 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:03:41,502 INFO L268 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2020-09-21 11:03:41,502 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2020-09-21 11:03:41,502 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2020-09-21 11:03:41,502 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2020-09-21 11:03:41,502 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-09-21 11:03:41,502 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2020-09-21 11:03:41,502 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-09-21 11:03:41,502 INFO L268 CegarLoopResult]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2020-09-21 11:03:41,502 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2020-09-21 11:03:41,503 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-21 11:03:41,503 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-09-21 11:03:41,503 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2020-09-21 11:03:41,503 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2020-09-21 11:03:41,503 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 723 729) no Hoare annotation was computed. [2020-09-21 11:03:41,503 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 723 729) the Hoare annotation is: true [2020-09-21 11:03:41,503 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 268 313) no Hoare annotation was computed. [2020-09-21 11:03:41,504 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 268 313) no Hoare annotation was computed. [2020-09-21 11:03:41,504 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 268 313) no Hoare annotation was computed. [2020-09-21 11:03:41,504 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 581 626) no Hoare annotation was computed. [2020-09-21 11:03:41,504 INFO L268 CegarLoopResult]: For program point L601(lines 601 608) no Hoare annotation was computed. [2020-09-21 11:03:41,504 INFO L268 CegarLoopResult]: For program point L595(lines 595 615) no Hoare annotation was computed. [2020-09-21 11:03:41,504 INFO L268 CegarLoopResult]: For program point L595-1(lines 595 615) no Hoare annotation was computed. [2020-09-21 11:03:41,504 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 581 626) no Hoare annotation was computed. [2020-09-21 11:03:41,504 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 581 626) no Hoare annotation was computed. [2020-09-21 11:03:41,504 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 835 844) 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))) [2020-09-21 11:03:41,504 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 835 844) no Hoare annotation was computed. [2020-09-21 11:03:41,504 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 835 844) no Hoare annotation was computed. [2020-09-21 11:03:41,504 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 182 192) no Hoare annotation was computed. [2020-09-21 11:03:41,505 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 11:03:41,505 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2020-09-21 11:03:41,505 INFO L268 CegarLoopResult]: For program point L187-1(line 187) no Hoare annotation was computed. [2020-09-21 11:03:41,505 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2020-09-21 11:03:41,505 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 174 181) the Hoare annotation is: true [2020-09-21 11:03:41,505 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2020-09-21 11:03:41,505 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2020-09-21 11:03:41,505 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 159 165) no Hoare annotation was computed. [2020-09-21 11:03:41,506 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 159 165) the Hoare annotation is: true [2020-09-21 11:03:41,506 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,506 INFO L264 CegarLoopResult]: At program point testENTRY(lines 55 122) 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))) [2020-09-21 11:03:41,506 INFO L268 CegarLoopResult]: For program point L95(lines 95 110) no Hoare annotation was computed. [2020-09-21 11:03:41,506 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,506 INFO L268 CegarLoopResult]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2020-09-21 11:03:41,506 INFO L268 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-09-21 11:03:41,506 INFO L268 CegarLoopResult]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2020-09-21 11:03:41,506 INFO L264 CegarLoopResult]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,507 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,507 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-09-21 11:03:41,507 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-09-21 11:03:41,507 INFO L268 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-09-21 11:03:41,507 INFO L264 CegarLoopResult]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:41,507 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,507 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-09-21 11:03:41,507 INFO L264 CegarLoopResult]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,507 INFO L268 CegarLoopResult]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2020-09-21 11:03:41,507 INFO L268 CegarLoopResult]: For program point L66(lines 65 114) no Hoare annotation was computed. [2020-09-21 11:03:41,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 535 580) no Hoare annotation was computed. [2020-09-21 11:03:41,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 535 580) no Hoare annotation was computed. [2020-09-21 11:03:41,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 535 580) no Hoare annotation was computed. [2020-09-21 11:03:41,508 INFO L268 CegarLoopResult]: For program point L555(lines 555 562) no Hoare annotation was computed. [2020-09-21 11:03:41,508 INFO L268 CegarLoopResult]: For program point L549(lines 549 569) no Hoare annotation was computed. [2020-09-21 11:03:41,508 INFO L268 CegarLoopResult]: For program point L549-1(lines 549 569) no Hoare annotation was computed. [2020-09-21 11:03:41,508 INFO L268 CegarLoopResult]: For program point L684(lines 684 692) no Hoare annotation was computed. [2020-09-21 11:03:41,508 INFO L268 CegarLoopResult]: For program point L684-2(lines 684 692) no Hoare annotation was computed. [2020-09-21 11:03:41,509 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 676 698) no Hoare annotation was computed. [2020-09-21 11:03:41,509 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 676 698) no Hoare annotation was computed. [2020-09-21 11:03:41,509 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 676 698) no Hoare annotation was computed. [2020-09-21 11:03:41,509 INFO L268 CegarLoopResult]: For program point L481-2(lines 481 501) no Hoare annotation was computed. [2020-09-21 11:03:41,509 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 432 534) no Hoare annotation was computed. [2020-09-21 11:03:41,509 INFO L268 CegarLoopResult]: For program point L502(lines 480 503) no Hoare annotation was computed. [2020-09-21 11:03:41,509 INFO L268 CegarLoopResult]: For program point L461(lines 461 477) no Hoare annotation was computed. [2020-09-21 11:03:41,509 INFO L268 CegarLoopResult]: For program point L521(lines 521 528) no Hoare annotation was computed. [2020-09-21 11:03:41,509 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 432 534) no Hoare annotation was computed. [2020-09-21 11:03:41,510 INFO L268 CegarLoopResult]: For program point L482(lines 481 501) no Hoare annotation was computed. [2020-09-21 11:03:41,510 INFO L268 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-09-21 11:03:41,510 INFO L268 CegarLoopResult]: For program point L513-1(line 513) no Hoare annotation was computed. [2020-09-21 11:03:41,510 INFO L268 CegarLoopResult]: For program point L478(lines 478 519) no Hoare annotation was computed. [2020-09-21 11:03:41,510 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 432 534) no Hoare annotation was computed. [2020-09-21 11:03:41,510 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 11:03:41,510 INFO L268 CegarLoopResult]: For program point L497-1(line 497) no Hoare annotation was computed. [2020-09-21 11:03:41,510 INFO L268 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2020-09-21 11:03:41,510 INFO L268 CegarLoopResult]: For program point L520(lines 520 531) no Hoare annotation was computed. [2020-09-21 11:03:41,511 INFO L268 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-09-21 11:03:41,511 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 713 722) no Hoare annotation was computed. [2020-09-21 11:03:41,511 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 713 722) no Hoare annotation was computed. [2020-09-21 11:03:41,511 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 713 722) no Hoare annotation was computed. [2020-09-21 11:03:41,511 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,511 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:03:41,512 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,512 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 166 173) no Hoare annotation was computed. [2020-09-21 11:03:41,512 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 166 173) no Hoare annotation was computed. [2020-09-21 11:03:41,512 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 166 173) no Hoare annotation was computed. [2020-09-21 11:03:41,512 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 699 707) no Hoare annotation was computed. [2020-09-21 11:03:41,512 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 699 707) no Hoare annotation was computed. [2020-09-21 11:03:41,512 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 699 707) no Hoare annotation was computed. [2020-09-21 11:03:41,512 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:03:41,512 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2020-09-21 11:03:41,513 INFO L268 CegarLoopResult]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2020-09-21 11:03:41,513 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,513 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,513 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,513 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,513 INFO L264 CegarLoopResult]: At program point L146(lines 146 152) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,513 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,513 INFO L264 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:03:41,513 INFO L268 CegarLoopResult]: For program point L139(lines 138 157) no Hoare annotation was computed. [2020-09-21 11:03:41,514 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2020-09-21 11:03:41,514 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2020-09-21 11:03:41,514 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 774 803) no Hoare annotation was computed. [2020-09-21 11:03:41,514 INFO L271 CegarLoopResult]: At program point L799(lines 774 803) the Hoare annotation is: true [2020-09-21 11:03:41,514 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 774 803) the Hoare annotation is: true [2020-09-21 11:03:41,514 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-09-21 11:03:41,514 INFO L268 CegarLoopResult]: For program point L788(lines 788 792) no Hoare annotation was computed. [2020-09-21 11:03:41,514 INFO L271 CegarLoopResult]: At program point L788-1(lines 788 792) the Hoare annotation is: true [2020-09-21 11:03:41,514 INFO L268 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-09-21 11:03:41,515 INFO L271 CegarLoopResult]: At program point L784-2(lines 784 798) the Hoare annotation is: true [2020-09-21 11:03:41,515 INFO L271 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: true [2020-09-21 11:03:41,515 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-09-21 11:03:41,515 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 667 675) the Hoare annotation is: true [2020-09-21 11:03:41,515 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 667 675) no Hoare annotation was computed. [2020-09-21 11:03:41,515 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2020-09-21 11:03:41,515 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: true [2020-09-21 11:03:41,515 INFO L268 CegarLoopResult]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2020-09-21 11:03:41,516 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2020-09-21 11:03:41,516 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 828 834) no Hoare annotation was computed. [2020-09-21 11:03:41,516 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 828 834) the Hoare annotation is: true [2020-09-21 11:03:41,516 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,516 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:03:41,516 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:03:41,516 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,516 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 253 260) no Hoare annotation was computed. [2020-09-21 11:03:41,517 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 253 260) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,517 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 253 260) no Hoare annotation was computed. [2020-09-21 11:03:41,517 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2020-09-21 11:03:41,517 INFO L268 CegarLoopResult]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2020-09-21 11:03:41,517 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,517 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:03:41,518 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 11:03:41,518 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 11:03:41,518 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:03:41,518 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 747 771) the Hoare annotation is: true [2020-09-21 11:03:41,518 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:03:41,518 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 747 771) no Hoare annotation was computed. [2020-09-21 11:03:41,518 INFO L268 CegarLoopResult]: For program point L759(lines 759 765) no Hoare annotation was computed. [2020-09-21 11:03:41,518 INFO L264 CegarLoopResult]: At program point L757(line 757) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-09-21 11:03:41,519 INFO L268 CegarLoopResult]: For program point L757-1(line 757) no Hoare annotation was computed. [2020-09-21 11:03:41,519 INFO L268 CegarLoopResult]: For program point L755(lines 755 768) no Hoare annotation was computed. [2020-09-21 11:03:41,519 INFO L268 CegarLoopResult]: For program point L755-1(lines 747 771) no Hoare annotation was computed. [2020-09-21 11:03:41,519 INFO L271 CegarLoopResult]: At program point L753(line 753) the Hoare annotation is: true [2020-09-21 11:03:41,519 INFO L268 CegarLoopResult]: For program point L753-1(line 753) no Hoare annotation was computed. [2020-09-21 11:03:41,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:03:41 BoogieIcfgContainer [2020-09-21 11:03:41,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:03:41,543 INFO L168 Benchmark]: Toolchain (without parser) took 37634.30 ms. Allocated memory was 146.3 MB in the beginning and 646.4 MB in the end (delta: 500.2 MB). Free memory was 101.4 MB in the beginning and 457.4 MB in the end (delta: -355.9 MB). Peak memory consumption was 473.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,545 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.08 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 100.7 MB in the beginning and 173.3 MB in the end (delta: -72.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,546 INFO L168 Benchmark]: Boogie Preprocessor took 103.81 ms. Allocated memory is still 202.9 MB. Free memory was 173.3 MB in the beginning and 169.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,551 INFO L168 Benchmark]: RCFGBuilder took 1162.87 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.1 MB in the beginning and 205.2 MB in the end (delta: -36.1 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,552 INFO L168 Benchmark]: TraceAbstraction took 35688.17 ms. Allocated memory was 235.9 MB in the beginning and 646.4 MB in the end (delta: 410.5 MB). Free memory was 205.2 MB in the beginning and 457.4 MB in the end (delta: -252.2 MB). Peak memory consumption was 487.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,558 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.08 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 100.7 MB in the beginning and 173.3 MB in the end (delta: -72.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.81 ms. Allocated memory is still 202.9 MB. Free memory was 173.3 MB in the beginning and 169.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1162.87 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.1 MB in the beginning and 205.2 MB in the end (delta: -36.1 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35688.17 ms. Allocated memory was 235.9 MB in the beginning and 646.4 MB in the end (delta: 410.5 MB). Free memory was 205.2 MB in the beginning and 457.4 MB in the end (delta: -252.2 MB). Peak memory consumption was 487.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 65]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 410 SDtfs, 482 SDslu, 288 SDs, 0 SdLazy, 1087 SolverSat, 303 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred 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, 159 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 271 PreInvPairs, 323 NumberOfFragments, 634 HoareAnnotationTreeSize, 271 FomulaSimplifications, 42038 FormulaSimplificationTreeSizeReduction, 15.9s HoareSimplificationTime, 46 FomulaSimplificationsInter, 11023 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 70642 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...