/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 --rcfgbuilder.size.of.a.code.block SingleStatement --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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:11:00,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:11:00,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:11:00,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:11:00,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:11:00,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:11:00,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:11:00,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:11:00,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:11:00,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:11:00,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:11:00,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:11:00,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:11:00,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:11:00,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:11:00,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:11:00,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:11:00,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:11:00,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:11:00,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:11:00,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:11:00,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:11:00,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:11:00,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:11:00,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:11:00,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:11:00,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:11:00,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:11:00,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:11:00,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:11:00,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:11:00,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:11:00,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:11:00,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:11:00,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:11:00,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:11:00,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:11:00,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:11:00,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:11:00,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:11:00,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:11:00,810 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 [2020-09-25 14:11:00,839 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:11:00,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:11:00,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:11:00,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:11:00,841 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:11:00,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:11:00,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:11:00,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:11:00,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:11:00,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:11:00,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:11:00,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:11:00,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:11:00,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:11:00,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:11:00,843 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:11:00,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:11:00,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:11:00,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:11:00,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:11:00,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:11:00,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:11:00,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:11:00,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:11:00,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:11:00,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:11:00,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:11:00,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:11:00,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:11:00,846 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.rcfgbuilder: Size of a code block -> SingleStatement 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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:11:01,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:11:01,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:11:02,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:11:02,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:11:02,007 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:11:02,008 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-09-25 14:11:02,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93f2ddb6e/5c2a6356e7e84d44a2975594211093eb/FLAG2d796cde5 [2020-09-25 14:11:02,755 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:11:02,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-09-25 14:11:02,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93f2ddb6e/5c2a6356e7e84d44a2975594211093eb/FLAG2d796cde5 [2020-09-25 14:11:03,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93f2ddb6e/5c2a6356e7e84d44a2975594211093eb [2020-09-25 14:11:03,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:11:03,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:11:03,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:11:03,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:11:03,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:11:03,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:11:03" (1/1) ... [2020-09-25 14:11:03,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:11:03, skipping insertion in model container [2020-09-25 14:11:03,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:11:03" (1/1) ... [2020-09-25 14:11:03,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:11:03,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:11:03,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:11:03,610 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:11:03,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:11:03,837 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:11:03,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:11:03 WrapperNode [2020-09-25 14:11:03,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:11:03,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:11:03,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:11:03,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:11:03,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:11:03" (1/1) ... [2020-09-25 14:11:03,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:11:03" (1/1) ... [2020-09-25 14:11:03,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:11:03" (1/1) ... [2020-09-25 14:11:03,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:11:03" (1/1) ... [2020-09-25 14:11:03,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:11:03" (1/1) ... [2020-09-25 14:11:03,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:11:03" (1/1) ... [2020-09-25 14:11:03,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:11:03" (1/1) ... [2020-09-25 14:11:03,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:11:03,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:11:03,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:11:03,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:11:03,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:11:03" (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 [2020-09-25 14:11:04,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:11:04,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:11:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:11:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:11:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:11:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:11:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:11:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:11:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:11:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:11:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:11:04,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:11:04,065 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 14:11:04,065 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 14:11:04,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:11:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:11:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:11:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:11:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:11:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:11:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:11:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:11:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:11:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:11:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 14:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:11:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 14:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 14:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 14:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:11:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:11:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:11:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:11:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:11:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:11:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:11:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:11:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:11:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:11:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:11:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:11:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:11:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:11:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:11:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:11:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:11:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:11:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:11:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:11:05,341 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:11:05,341 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:11:05,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:11:05 BoogieIcfgContainer [2020-09-25 14:11:05,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:11:05,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:11:05,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:11:05,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:11:05,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:11:03" (1/3) ... [2020-09-25 14:11:05,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d038cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:11:05, skipping insertion in model container [2020-09-25 14:11:05,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:11:03" (2/3) ... [2020-09-25 14:11:05,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d038cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:11:05, skipping insertion in model container [2020-09-25 14:11:05,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:11:05" (3/3) ... [2020-09-25 14:11:05,359 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2020-09-25 14:11:05,371 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:11:05,382 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:11:05,408 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:11:05,439 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:11:05,439 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:11:05,439 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:11:05,439 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:11:05,440 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:11:05,440 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:11:05,440 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:11:05,440 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:11:05,469 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states. [2020-09-25 14:11:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 14:11:05,488 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:11:05,489 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:11:05,490 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:11:05,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:11:05,498 INFO L82 PathProgramCache]: Analyzing trace with hash 79669502, now seen corresponding path program 1 times [2020-09-25 14:11:05,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:11:05,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133751972] [2020-09-25 14:11:05,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:11:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:06,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:06,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:07,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:08,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:09,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:10,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:10,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 14:11:10,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:11:10,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 14:11:10,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:10,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:10,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:11:10,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 14:11:10,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-25 14:11:10,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 14:11:11,431 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:11:11,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:11:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:11,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:11,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:11,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:11:11,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:11,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-09-25 14:11:11,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:11,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 14:11:11,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:11,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:11:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:11,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:11,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:11,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:11:11,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:11,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:11:11,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:11,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:11:11,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:11,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:11:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:11,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:11,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:11,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:11:11,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:11,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:11:11,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:11,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:11,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:11,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:11,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:11:11,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:11,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:11:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:11,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:11,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:11,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:11:11,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:11,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:11:11,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:11,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:11,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:11,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:11,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:11:11,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:11:11,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:11:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:11,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:11,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:11,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:11:11,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:11:11,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:11,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:11,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:11,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:11:11,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:11,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:11:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:11,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:11,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:11,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:11:11,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:11,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:11:11,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:11,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:11,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:11:11,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:11:11,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:11:11,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:11,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:11:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:11,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:11,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:11,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:11:11,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:11,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:11:11,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:11,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:11,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:11:11,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:11:11,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:11:11,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:11:12,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133751972] [2020-09-25 14:11:12,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:11:12,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:11:12,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173370328] [2020-09-25 14:11:12,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:11:12,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:11:12,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:11:12,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:11:12,084 INFO L87 Difference]: Start difference. First operand 274 states. Second operand 4 states. [2020-09-25 14:11:12,902 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:14,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:11:14,827 INFO L93 Difference]: Finished difference Result 557 states and 687 transitions. [2020-09-25 14:11:14,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 14:11:14,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 14:11:14,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:11:14,855 INFO L225 Difference]: With dead ends: 557 [2020-09-25 14:11:14,855 INFO L226 Difference]: Without dead ends: 394 [2020-09-25 14:11:14,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:11:14,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-09-25 14:11:15,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 326. [2020-09-25 14:11:15,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-09-25 14:11:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 365 transitions. [2020-09-25 14:11:15,048 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 365 transitions. Word has length 142 [2020-09-25 14:11:15,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:11:15,054 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 365 transitions. [2020-09-25 14:11:15,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:11:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 365 transitions. [2020-09-25 14:11:15,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 14:11:15,063 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:11:15,063 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:11:15,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:11:15,064 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:11:15,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:11:15,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1237011768, now seen corresponding path program 1 times [2020-09-25 14:11:15,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:11:15,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37302657] [2020-09-25 14:11:15,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:11:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:15,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:15,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:16,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:16,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:20,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:20,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 14:11:20,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:11:20,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 14:11:20,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:20,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:11:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 14:11:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-25 14:11:20,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:20,494 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:11:20,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:11:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:20,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:20,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:20,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:11:20,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:20,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-25 14:11:20,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:20,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 14:11:20,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:20,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:11:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:20,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:20,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:20,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:11:20,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:20,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:11:20,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:20,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:20,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:20,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:20,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:11:20,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:20,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:11:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:20,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:20,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:20,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:11:20,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:20,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:11:20,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:20,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:11:20,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:20,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:11:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:20,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:20,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:20,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:11:20,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:20,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:11:20,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:20,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:11:20,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:20,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:11:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:20,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:20,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:20,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:11:20,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:20,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:11:20,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:20,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:20,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:20,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:20,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:11:20,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:20,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 14:11:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:20,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:20,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:20,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:11:20,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:20,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:11:20,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:20,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:20,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 14:11:20,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:20,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:11:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:20,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:20,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:20,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:11:20,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:20,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:11:20,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:20,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:11:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:11:20,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:20,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:11:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:20,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:20,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:20,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:11:20,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:20,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:11:20,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:20,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:20,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:11:20,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:20,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:11:20,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:20,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 14:11:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:20,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:20,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:20,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:11:20,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:20,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:11:20,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:20,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:11:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:11:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:11:20,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:11:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:11:20,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37302657] [2020-09-25 14:11:20,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:11:20,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:11:20,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943544793] [2020-09-25 14:11:20,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:11:20,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:11:20,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:11:20,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:11:20,998 INFO L87 Difference]: Start difference. First operand 326 states and 365 transitions. Second operand 9 states. [2020-09-25 14:11:21,502 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:22,690 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:23,021 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:11:23,942 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:24,258 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:24,584 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:24,934 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:11:25,254 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:25,686 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:26,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:11:26,994 INFO L93 Difference]: Finished difference Result 963 states and 1239 transitions. [2020-09-25 14:11:26,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 14:11:26,997 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-25 14:11:26,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:11:27,007 INFO L225 Difference]: With dead ends: 963 [2020-09-25 14:11:27,007 INFO L226 Difference]: Without dead ends: 700 [2020-09-25 14:11:27,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 14:11:27,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2020-09-25 14:11:27,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 495. [2020-09-25 14:11:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-09-25 14:11:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 564 transitions. [2020-09-25 14:11:27,122 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 564 transitions. Word has length 151 [2020-09-25 14:11:27,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:11:27,123 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 564 transitions. [2020-09-25 14:11:27,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:11:27,123 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 564 transitions. [2020-09-25 14:11:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-25 14:11:27,126 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:11:27,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:11:27,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:11:27,127 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:11:27,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:11:27,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1282155290, now seen corresponding path program 1 times [2020-09-25 14:11:27,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:11:27,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711431402] [2020-09-25 14:11:27,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:11:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:27,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:27,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:28,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:30,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:30,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 14:11:30,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:11:30,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3140 [2020-09-25 14:11:30,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:30,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 14:11:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 14:11:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-25 14:11:30,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:30,665 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:11:30,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:11:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:30,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:30,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:30,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:11:30,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:30,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 14:11:30,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:30,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:30,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:30,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:30,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 14:11:30,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:30,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:11:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:30,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:30,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:30,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:11:30,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:30,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:11:30,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:30,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:30,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:11:30,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:11:30,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:11:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:30,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:30,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:30,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:11:30,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:30,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:11:30,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:30,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:11:30,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:11:30,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:11:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:30,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:30,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:30,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:11:30,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:30,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:11:30,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:30,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:11:30,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:30,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:11:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:30,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:31,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:31,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:11:31,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:31,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:11:31,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:31,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:31,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:11:31,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:31,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:11:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:31,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:31,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:31,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:11:31,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:31,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:11:31,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:31,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:31,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:11:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:31,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 14:11:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:31,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:31,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:31,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:31,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:11:31,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:11:31,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 14:11:31,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:31,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:11:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:11:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:11:31,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:31,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:11:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:31,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:31,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:31,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:11:31,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:31,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:11:31,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:31,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:11:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:11:31,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:31,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 14:11:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:11:31,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:11:31,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:11:31,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:11:31,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:11:31,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 14:11:31,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:11:31,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:11:31,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:11:31,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:11:31,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:11:31,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:11:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:11:31,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711431402] [2020-09-25 14:11:31,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:11:31,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:11:31,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090424580] [2020-09-25 14:11:31,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:11:31,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:11:31,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:11:31,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:11:31,256 INFO L87 Difference]: Start difference. First operand 495 states and 564 transitions. Second operand 11 states. [2020-09-25 14:11:31,897 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:33,277 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:33,607 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:11:33,941 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:34,324 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:11:34,647 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:11:35,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:11:35,142 INFO L93 Difference]: Finished difference Result 931 states and 1139 transitions. [2020-09-25 14:11:35,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 14:11:35,142 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 166 [2020-09-25 14:11:35,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:11:35,143 INFO L225 Difference]: With dead ends: 931 [2020-09-25 14:11:35,143 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:11:35,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2020-09-25 14:11:35,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:11:35,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:11:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:11:35,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:11:35,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-09-25 14:11:35,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:11:35,152 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:11:35,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:11:35,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:11:35,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:11:35,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:11:35,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:11:35,343 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:35,519 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:35,688 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:35,851 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:36,014 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:36,164 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:36,448 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:11:36,722 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:11:37,123 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 14:11:37,276 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:37,431 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:37,581 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:37,744 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:37,916 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:38,633 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 14:11:38,901 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:11:39,166 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:11:39,430 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:11:39,696 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:11:39,962 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:11:40,231 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:11:40,498 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:11:40,745 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 14:11:40,894 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:41,167 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:11:41,443 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:11:41,591 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:41,740 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:41,928 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:42,184 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:42,481 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 14:11:42,781 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 14:11:43,084 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 14:11:43,387 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 14:11:43,704 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 14:11:44,003 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 14:11:44,297 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 14:11:44,437 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:11:44,584 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:44,735 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:44,883 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:45,031 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:45,184 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:45,342 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:45,497 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:45,650 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:45,808 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:45,960 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:46,117 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:46,270 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:46,422 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:46,570 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:46,714 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:46,870 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:47,013 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:47,157 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:47,314 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:47,462 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:47,611 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:47,755 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:47,911 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:48,060 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:48,214 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:48,367 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:48,525 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:48,678 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:48,826 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:48,984 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:49,142 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:49,299 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:49,457 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:49,610 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:49,762 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:49,919 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:50,067 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:50,221 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:50,374 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:50,517 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:50,665 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:50,812 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:50,956 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:51,104 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:51,254 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:51,519 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:11:51,784 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:11:52,220 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:52,368 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:52,525 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:52,678 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:52,835 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:52,992 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:53,145 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:53,303 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:53,460 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:53,613 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:53,765 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:53,915 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:54,064 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:54,218 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:54,367 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:54,515 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:54,664 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:54,807 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:54,951 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:55,095 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:11:55,255 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:55,362 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 14:11:55,519 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:55,671 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:11:55,820 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:11:55,978 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:11:56,130 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:11:56,738 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 14:11:57,074 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 14:11:57,332 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:11:57,603 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:11:57,945 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191