/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=DEEPEST --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_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:37:24,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:37:24,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:37:25,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:37:25,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:37:25,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:37:25,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:37:25,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:37:25,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:37:25,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:37:25,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:37:25,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:37:25,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:37:25,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:37:25,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:37:25,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:37:25,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:37:25,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:37:25,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:37:25,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:37:25,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:37:25,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:37:25,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:37:25,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:37:25,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:37:25,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:37:25,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:37:25,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:37:25,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:37:25,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:37:25,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:37:25,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:37:25,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:37:25,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:37:25,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:37:25,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:37:25,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:37:25,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:37:25,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:37:25,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:37:25,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:37:25,101 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 00:37:25,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:37:25,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:37:25,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:37:25,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:37:25,127 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:37:25,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:37:25,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:37:25,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:37:25,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:37:25,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:37:25,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:37:25,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:37:25,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:37:25,129 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:37:25,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:37:25,129 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:37:25,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:37:25,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:37:25,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:37:25,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:37:25,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:37:25,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:37:25,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:37:25,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:37:25,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:37:25,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:37:25,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:37:25,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:37:25,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:37:25,132 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:37:25,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:37:25,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:37:25,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:37:25,745 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:37:25,745 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:37:25,747 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product34.cil.c [2020-09-25 00:37:25,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01bd3f390/e1464c7b2b3344e48b303e85a1a047fc/FLAGc656e6c8c [2020-09-25 00:37:26,471 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:37:26,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product34.cil.c [2020-09-25 00:37:26,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01bd3f390/e1464c7b2b3344e48b303e85a1a047fc/FLAGc656e6c8c [2020-09-25 00:37:26,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01bd3f390/e1464c7b2b3344e48b303e85a1a047fc [2020-09-25 00:37:26,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:37:26,785 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:37:26,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:37:26,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:37:26,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:37:26,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:37:26" (1/1) ... [2020-09-25 00:37:26,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a688b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:26, skipping insertion in model container [2020-09-25 00:37:26,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:37:26" (1/1) ... [2020-09-25 00:37:26,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:37:26,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:37:27,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:37:27,323 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:37:27,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:37:27,446 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:37:27,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:27 WrapperNode [2020-09-25 00:37:27,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:37:27,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:37:27,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:37:27,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:37:27,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:27" (1/1) ... [2020-09-25 00:37:27,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:27" (1/1) ... [2020-09-25 00:37:27,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:27" (1/1) ... [2020-09-25 00:37:27,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:27" (1/1) ... [2020-09-25 00:37:27,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:27" (1/1) ... [2020-09-25 00:37:27,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:27" (1/1) ... [2020-09-25 00:37:27,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:27" (1/1) ... [2020-09-25 00:37:27,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:37:27,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:37:27,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:37:27,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:37:27,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:27" (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 00:37:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:37:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:37:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:37:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:37:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:37:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:37:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:37:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:37:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:37:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:37:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:37:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:37:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:37:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:37:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:37:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:37:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:37:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:37:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:37:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:37:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:37:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:37:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:37:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:37:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:37:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:37:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:37:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:37:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:37:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:37:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:37:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:37:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 00:37:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 00:37:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:37:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:37:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:37:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:37:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:37:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:37:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:37:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:37:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:37:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:37:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:37:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:37:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:37:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:37:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:37:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:37:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:37:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:37:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:37:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:37:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:37:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:37:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:37:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:37:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:37:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:37:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:37:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:37:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:37:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:37:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:37:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:37:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:37:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:37:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:37:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:37:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:37:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:37:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:37:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:37:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:37:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:37:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:37:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 00:37:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:37:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:37:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:37:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 00:37:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:37:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:37:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:37:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:37:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:37:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:37:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:37:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:37:28,874 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:37:28,874 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:37:28,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:37:28 BoogieIcfgContainer [2020-09-25 00:37:28,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:37:28,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:37:28,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:37:28,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:37:28,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:37:26" (1/3) ... [2020-09-25 00:37:28,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27edf125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:37:28, skipping insertion in model container [2020-09-25 00:37:28,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:27" (2/3) ... [2020-09-25 00:37:28,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27edf125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:37:28, skipping insertion in model container [2020-09-25 00:37:28,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:37:28" (3/3) ... [2020-09-25 00:37:28,901 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product34.cil.c [2020-09-25 00:37:28,914 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:37:28,928 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:37:28,951 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:37:28,990 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:37:28,990 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:37:28,990 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:37:28,991 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:37:28,991 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:37:28,991 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:37:28,991 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:37:28,991 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:37:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states. [2020-09-25 00:37:29,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 00:37:29,032 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:37:29,034 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 00:37:29,034 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:37:29,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:37:29,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1579336434, now seen corresponding path program 1 times [2020-09-25 00:37:29,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:37:29,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559573253] [2020-09-25 00:37:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:37:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:29,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:29,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:31,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:32,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:34,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:34,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 00:37:34,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:37:34,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 00:37:34,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:37:34,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-25 00:37:34,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:37:34,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 00:37:34,955 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:37:34,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:37:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:34,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:35,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:35,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:37:35,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:35,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-25 00:37:35,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:35,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:35,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:37:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:35,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:35,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:35,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:37:35,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:35,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:37:35,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:35,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:35,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:35,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:35,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:37:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:35,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:35,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:35,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:37:35,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:35,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:37:35,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:35,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:35,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:35,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:37:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:35,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:35,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:35,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:37:35,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:35,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:37:35,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:35,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:35,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:37:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:35,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:35,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:35,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:37:35,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:35,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:37:35,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:35,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:35,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:35,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:35,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:37:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:35,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:35,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:35,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:37:35,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:35,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:37:35,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:37:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:35,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:37:35,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:35,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 00:37:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:35,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:35,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:35,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:37:35,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:35,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:37:35,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:37:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:37:35,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:35,302 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 00:37:35,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559573253] [2020-09-25 00:37:35,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:37:35,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:37:35,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495344448] [2020-09-25 00:37:35,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:37:35,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:37:35,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:37:35,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:37:35,336 INFO L87 Difference]: Start difference. First operand 288 states. Second operand 8 states. [2020-09-25 00:37:35,986 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:37:37,181 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:37:37,484 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:37:37,867 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:37:38,237 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:37:38,540 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:37:39,166 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:37:39,501 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:37:39,883 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:37:40,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:37:40,928 INFO L93 Difference]: Finished difference Result 537 states and 670 transitions. [2020-09-25 00:37:40,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 00:37:40,931 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 00:37:40,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:37:40,970 INFO L225 Difference]: With dead ends: 537 [2020-09-25 00:37:40,970 INFO L226 Difference]: Without dead ends: 366 [2020-09-25 00:37:40,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:37:41,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-09-25 00:37:41,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 323. [2020-09-25 00:37:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-09-25 00:37:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 369 transitions. [2020-09-25 00:37:41,108 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 369 transitions. Word has length 142 [2020-09-25 00:37:41,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:37:41,109 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 369 transitions. [2020-09-25 00:37:41,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:37:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 369 transitions. [2020-09-25 00:37:41,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-25 00:37:41,115 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:37:41,116 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:37:41,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:37:41,117 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:37:41,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:37:41,117 INFO L82 PathProgramCache]: Analyzing trace with hash -630123109, now seen corresponding path program 1 times [2020-09-25 00:37:41,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:37:41,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028172968] [2020-09-25 00:37:41,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:37:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:41,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:41,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:41,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:42,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-09-25 00:37:46,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:37:46,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 00:37:46,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:37:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-09-25 00:37:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:37:46,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,472 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:37:46,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:37:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:37:46,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 00:37:46,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:46,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:37:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:37:46,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:37:46,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:46,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:37:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:37:46,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:37:46,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:46,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:37:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:37:46,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:37:46,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:46,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:37:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:37:46,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:37:46,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:46,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 00:37:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 00:37:46,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:37:46,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:46,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:37:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:37:46,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:37:46,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:46,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:37:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:37:46,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:37:46,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:46,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 00:37:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:37:46,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 00:37:46,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:37:46,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:37:46,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:37:46,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:37:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:37:46,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 00:37:46,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:37:46,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:46,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:37:46,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:37:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:37:46,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:37:46,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:37:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:37:46,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:37:46,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 00:37:46,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 00:37:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:37:46,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:37:46,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:37:46,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 00:37:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:46,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:46,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:46,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:37:46,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:46,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:37:46,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:37:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:46,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:46,934 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-25 00:37:46,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028172968] [2020-09-25 00:37:46,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:37:46,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 00:37:46,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911109482] [2020-09-25 00:37:46,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:37:46,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:37:46,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:37:46,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:37:46,939 INFO L87 Difference]: Start difference. First operand 323 states and 369 transitions. Second operand 10 states. [2020-09-25 00:37:48,414 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:37:48,746 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:37:49,077 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:37:49,425 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:37:49,757 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:37:50,068 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:37:50,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:37:50,908 INFO L93 Difference]: Finished difference Result 643 states and 802 transitions. [2020-09-25 00:37:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 00:37:50,908 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 200 [2020-09-25 00:37:50,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:37:50,914 INFO L225 Difference]: With dead ends: 643 [2020-09-25 00:37:50,914 INFO L226 Difference]: Without dead ends: 430 [2020-09-25 00:37:50,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 00:37:50,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-09-25 00:37:50,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 331. [2020-09-25 00:37:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-09-25 00:37:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 377 transitions. [2020-09-25 00:37:50,975 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 377 transitions. Word has length 200 [2020-09-25 00:37:50,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:37:50,976 INFO L479 AbstractCegarLoop]: Abstraction has 331 states and 377 transitions. [2020-09-25 00:37:50,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:37:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 377 transitions. [2020-09-25 00:37:50,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 00:37:50,979 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:37:50,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:37:50,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:37:50,980 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:37:50,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:37:50,980 INFO L82 PathProgramCache]: Analyzing trace with hash 2044477023, now seen corresponding path program 1 times [2020-09-25 00:37:50,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:37:50,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095299743] [2020-09-25 00:37:50,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:37:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:51,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:51,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:52,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 00:37:56,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:37:56,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 00:37:56,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:37:56,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 00:37:56,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:37:56,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:56,287 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:37:56,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:37:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:56,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:37:56,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:56,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 00:37:56,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:56,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:56,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:56,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:37:56,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:37:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:56,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:37:56,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:56,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:37:56,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:56,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:56,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:56,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:56,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:37:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:56,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:37:56,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:56,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:37:56,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:56,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:56,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:56,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:56,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:37:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:56,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:37:56,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:56,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:37:56,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:56,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:56,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:37:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:56,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:37:56,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:56,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:37:56,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:56,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:56,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:56,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:37:56,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 00:37:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:56,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:37:56,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:56,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 00:37:56,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:37:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:37:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:37:56,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:56,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:37:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:56,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:37:56,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:56,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 00:37:56,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:37:56,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:37:56,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:37:56,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:56,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:37:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:56,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:37:56,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:37:56,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:37:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:37:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:37:56,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:56,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:37:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:56,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:37:56,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:37:56,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 00:37:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:56,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:56,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 00:37:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:56,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:37:56,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:56,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:37:56,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:56,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:37:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:56,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 00:37:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:56,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:56,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:37:56,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:37:56,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:37:56,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:37:56,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:37:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:37:56,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:37:56,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:37:56,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:37:56,738 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 00:37:56,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095299743] [2020-09-25 00:37:56,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:37:56,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:37:56,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772154904] [2020-09-25 00:37:56,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:37:56,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:37:56,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:37:56,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:37:56,741 INFO L87 Difference]: Start difference. First operand 331 states and 377 transitions. Second operand 8 states. [2020-09-25 00:37:57,975 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:37:58,317 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:37:58,654 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:37:59,013 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:37:59,309 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:38:00,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:38:00,099 INFO L93 Difference]: Finished difference Result 639 states and 807 transitions. [2020-09-25 00:38:00,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 00:38:00,100 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-09-25 00:38:00,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:38:00,106 INFO L225 Difference]: With dead ends: 639 [2020-09-25 00:38:00,106 INFO L226 Difference]: Without dead ends: 418 [2020-09-25 00:38:00,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-09-25 00:38:00,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-09-25 00:38:00,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 337. [2020-09-25 00:38:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-25 00:38:00,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 383 transitions. [2020-09-25 00:38:00,174 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 383 transitions. Word has length 176 [2020-09-25 00:38:00,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:38:00,175 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 383 transitions. [2020-09-25 00:38:00,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:38:00,175 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 383 transitions. [2020-09-25 00:38:00,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-25 00:38:00,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:38:00,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:38:00,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:38:00,179 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:38:00,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:38:00,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1844015202, now seen corresponding path program 1 times [2020-09-25 00:38:00,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:38:00,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216609077] [2020-09-25 00:38:00,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:38:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:00,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:00,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:00,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:00,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-09-25 00:38:05,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:38:05,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 00:38:05,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-09-25 00:38:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:38:05,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:05,604 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:38:05,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:38:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:38:05,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 00:38:05,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:05,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:38:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:05,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:38:05,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:05,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:38:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:05,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:38:05,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:05,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:38:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:05,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:05,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:05,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:05,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:38:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:05,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:38:05,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:05,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 00:38:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 00:38:05,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:38:05,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:38:05,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:05,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:38:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:38:05,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:38:05,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 00:38:05,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:05,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:38:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:05,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:05,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:05,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 00:38:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:38:05,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 00:38:05,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-25 00:38:05,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:05,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:38:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:38:05,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:38:05,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:05,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:05,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:38:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:38:05,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:05,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:05,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:38:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:38:05,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:38:05,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:05,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 00:38:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:05,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:05,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:38:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:05,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 00:38:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:05,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:05,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:05,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:05,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:05,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:05,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:05,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:05,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:38:05,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:05,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:38:06,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216609077] [2020-09-25 00:38:06,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:38:06,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 00:38:06,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569373078] [2020-09-25 00:38:06,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:38:06,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:38:06,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:38:06,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:38:06,031 INFO L87 Difference]: Start difference. First operand 337 states and 383 transitions. Second operand 6 states. [2020-09-25 00:38:06,821 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:38:08,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:38:08,815 INFO L93 Difference]: Finished difference Result 913 states and 1185 transitions. [2020-09-25 00:38:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 00:38:08,816 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 200 [2020-09-25 00:38:08,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:38:08,821 INFO L225 Difference]: With dead ends: 913 [2020-09-25 00:38:08,822 INFO L226 Difference]: Without dead ends: 663 [2020-09-25 00:38:08,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:38:08,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2020-09-25 00:38:08,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 470. [2020-09-25 00:38:08,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-09-25 00:38:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 542 transitions. [2020-09-25 00:38:08,891 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 542 transitions. Word has length 200 [2020-09-25 00:38:08,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:38:08,891 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 542 transitions. [2020-09-25 00:38:08,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:38:08,892 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 542 transitions. [2020-09-25 00:38:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-25 00:38:08,895 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:38:08,895 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, 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 00:38:08,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:38:08,895 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:38:08,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:38:08,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1049832151, now seen corresponding path program 1 times [2020-09-25 00:38:08,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:38:08,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750330463] [2020-09-25 00:38:08,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:38:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:08,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:09,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:12,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:12,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-25 00:38:12,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:38:12,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4000 [2020-09-25 00:38:12,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:12,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 00:38:12,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 00:38:12,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-25 00:38:12,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,297 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:38:13,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:38:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:38:13,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 00:38:13,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:13,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:13,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 00:38:13,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:38:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:13,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:13,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:38:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:38:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:13,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:13,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:38:13,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:38:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:13,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:38:13,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:38:13,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:38:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:13,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:13,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:13,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:13,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:38:13,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 00:38:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:38:13,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:13,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:13,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:13,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:38:13,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 00:38:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:38:13,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 00:38:13,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 00:38:13,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:38:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:38:13,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:38:13,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:13,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:13,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:13,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:38:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:38:13,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:38:13,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:13,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:13,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:13,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:38:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:38:13,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:13,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:13,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-25 00:38:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:13,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:38:13,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:38:13,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:13,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:38:13,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 00:38:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:13,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:13,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:13,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:13,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:13,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:38:13,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:13,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:13,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:38:13,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:13,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:13,867 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 00:38:13,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750330463] [2020-09-25 00:38:13,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:38:13,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 00:38:13,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012906433] [2020-09-25 00:38:13,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:38:13,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:38:13,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:38:13,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:38:13,869 INFO L87 Difference]: Start difference. First operand 470 states and 542 transitions. Second operand 10 states. [2020-09-25 00:38:14,408 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186