/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=NARROWEST --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_spec2_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:48:36,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:48:36,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:48:36,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:48:36,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:48:36,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:48:36,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:48:36,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:48:36,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:48:36,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:48:36,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:48:36,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:48:36,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:48:36,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:48:36,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:48:36,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:48:36,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:48:36,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:48:36,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:48:36,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:48:36,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:48:36,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:48:36,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:48:36,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:48:36,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:48:36,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:48:36,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:48:36,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:48:36,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:48:36,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:48:36,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:48:36,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:48:36,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:48:36,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:48:36,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:48:36,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:48:36,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:48:36,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:48:36,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:48:36,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:48:36,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:48:36,694 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 01:48:36,737 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:48:36,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:48:36,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:48:36,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:48:36,740 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:48:36,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:48:36,741 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:48:36,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:48:36,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:48:36,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:48:36,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:48:36,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:48:36,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:48:36,744 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:48:36,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:48:36,744 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:48:36,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:48:36,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:48:36,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:48:36,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:48:36,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:48:36,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:48:36,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:48:36,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:48:36,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:48:36,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:48:36,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:48:36,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:48:36,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:48:36,747 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true; [2020-09-25 01:48:37,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:48:37,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:48:37,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:48:37,230 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:48:37,230 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:48:37,232 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2020-09-25 01:48:37,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c1f30734/c6085392ca894bafb384b620749b7dc2/FLAG310d0631a [2020-09-25 01:48:37,866 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:48:37,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2020-09-25 01:48:37,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c1f30734/c6085392ca894bafb384b620749b7dc2/FLAG310d0631a [2020-09-25 01:48:38,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c1f30734/c6085392ca894bafb384b620749b7dc2 [2020-09-25 01:48:38,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:48:38,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:48:38,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:48:38,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:48:38,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:48:38,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:48:38" (1/1) ... [2020-09-25 01:48:38,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:48:38, skipping insertion in model container [2020-09-25 01:48:38,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:48:38" (1/1) ... [2020-09-25 01:48:38,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:48:38,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:48:38,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:48:38,780 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:48:38,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:48:39,003 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:48:39,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:48:39 WrapperNode [2020-09-25 01:48:39,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:48:39,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:48:39,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:48:39,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:48:39,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:48:39" (1/1) ... [2020-09-25 01:48:39,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:48:39" (1/1) ... [2020-09-25 01:48:39,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:48:39" (1/1) ... [2020-09-25 01:48:39,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:48:39" (1/1) ... [2020-09-25 01:48:39,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:48:39" (1/1) ... [2020-09-25 01:48:39,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:48:39" (1/1) ... [2020-09-25 01:48:39,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:48:39" (1/1) ... [2020-09-25 01:48:39,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:48:39,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:48:39,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:48:39,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:48:39,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:48:39" (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 01:48:39,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:48:39,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:48:39,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 01:48:39,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 01:48:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 01:48:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 01:48:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 01:48:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 01:48:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 01:48:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 01:48:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 01:48:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 01:48:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 01:48:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 01:48:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 01:48:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 01:48:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 01:48:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 01:48:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 01:48:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 01:48:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 01:48:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 01:48:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 01:48:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 01:48:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 01:48:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 01:48:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 01:48:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 01:48:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 01:48:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 01:48:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 01:48:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 01:48:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 01:48:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 01:48:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 01:48:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 01:48:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 01:48:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 01:48:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 01:48:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 01:48:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 01:48:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 01:48:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 01:48:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:48:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:48:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:48:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 01:48:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 01:48:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:48:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:48:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 01:48:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:48:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:48:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:48:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:48:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 01:48:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:48:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 01:48:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 01:48:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:48:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 01:48:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 01:48:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:48:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 01:48:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 01:48:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 01:48:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 01:48:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 01:48:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 01:48:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 01:48:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 01:48:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 01:48:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 01:48:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 01:48:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 01:48:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 01:48:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 01:48:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 01:48:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 01:48:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 01:48:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 01:48:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 01:48:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 01:48:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 01:48:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 01:48:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 01:48:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 01:48:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 01:48:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 01:48:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 01:48:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 01:48:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 01:48:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 01:48:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 01:48:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 01:48:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 01:48:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 01:48:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 01:48:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:48:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:48:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:48:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:48:40,555 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:48:40,556 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 01:48:40,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:48:40 BoogieIcfgContainer [2020-09-25 01:48:40,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:48:40,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:48:40,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:48:40,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:48:40,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:48:38" (1/3) ... [2020-09-25 01:48:40,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdbab0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:48:40, skipping insertion in model container [2020-09-25 01:48:40,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:48:39" (2/3) ... [2020-09-25 01:48:40,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdbab0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:48:40, skipping insertion in model container [2020-09-25 01:48:40,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:48:40" (3/3) ... [2020-09-25 01:48:40,573 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2020-09-25 01:48:40,585 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:48:40,597 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:48:40,618 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:48:40,647 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:48:40,647 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:48:40,647 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:48:40,647 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:48:40,647 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:48:40,648 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:48:40,648 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:48:40,648 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:48:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states. [2020-09-25 01:48:40,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 01:48:40,695 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:48:40,697 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] [2020-09-25 01:48:40,697 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:48:40,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:48:40,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1985307326, now seen corresponding path program 1 times [2020-09-25 01:48:40,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:48:40,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193741855] [2020-09-25 01:48:40,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:48:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:41,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:43,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:44,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:44,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:45,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:46,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:46,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 01:48:46,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 01:48:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 01:48:46,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 01:48:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:46,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 01:48:46,573 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:48:46,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:48:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:46,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:46,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:46,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:48:46,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:46,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 01:48:46,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:46,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:46,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:46,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:46,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:48:46,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:48:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:46,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:46,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:46,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:48:46,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:48:46,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:46,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:48:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:46,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:46,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:46,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:48:46,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:46,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:48:46,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:46,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:46,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:46,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:46,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:46,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:48:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:46,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:46,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:46,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:48:46,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:46,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:48:46,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:46,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:46,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:46,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:48:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:46,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:46,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:46,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:48:46,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:48:46,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:46,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:46,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:46,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:46,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:48:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:46,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:46,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:46,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:48:46,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:46,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:48:46,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:46,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 01:48:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:46,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:46,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:46,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:48:46,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:46,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:48:46,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:48:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:46,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:48:46,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 01:48:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:46,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:46,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:46,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:48:46,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:46,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:48:46,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:48:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:46,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:46,918 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 01:48:46,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193741855] [2020-09-25 01:48:46,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:48:46,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 01:48:46,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331931546] [2020-09-25 01:48:46,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 01:48:46,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:48:46,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 01:48:46,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:48:46,954 INFO L87 Difference]: Start difference. First operand 351 states. Second operand 4 states. [2020-09-25 01:48:48,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:48:48,617 INFO L93 Difference]: Finished difference Result 569 states and 677 transitions. [2020-09-25 01:48:48,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 01:48:48,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 01:48:48,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:48:48,641 INFO L225 Difference]: With dead ends: 569 [2020-09-25 01:48:48,641 INFO L226 Difference]: Without dead ends: 354 [2020-09-25 01:48:48,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:48:48,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-09-25 01:48:48,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 300. [2020-09-25 01:48:48,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-09-25 01:48:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 330 transitions. [2020-09-25 01:48:48,770 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 330 transitions. Word has length 148 [2020-09-25 01:48:48,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:48:48,771 INFO L479 AbstractCegarLoop]: Abstraction has 300 states and 330 transitions. [2020-09-25 01:48:48,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 01:48:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 330 transitions. [2020-09-25 01:48:48,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 01:48:48,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:48:48,776 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] [2020-09-25 01:48:48,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:48:48,777 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:48:48,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:48:48,777 INFO L82 PathProgramCache]: Analyzing trace with hash 918955076, now seen corresponding path program 1 times [2020-09-25 01:48:48,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:48:48,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899156034] [2020-09-25 01:48:48,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:48:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:48,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:48,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:50,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:51,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:52,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:53,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:53,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:53,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 01:48:53,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 01:48:53,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 01:48:53,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:48:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 01:48:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:48:53,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:54,240 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:48:54,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:48:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:54,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:54,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:54,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:48:54,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:54,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 01:48:54,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:54,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:54,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:54,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:48:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:54,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:54,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:54,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:48:54,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:54,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:48:54,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:54,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:54,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:54,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:48:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:54,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:54,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:54,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:48:54,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:54,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:48:54,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:54,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:54,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:54,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:54,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:54,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:48:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:54,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:54,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:54,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:48:54,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:54,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:48:54,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:54,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:54,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:48:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:54,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:54,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:54,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:48:54,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:54,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:48:54,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:54,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:54,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:54,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:54,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:54,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:48:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:54,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:54,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:54,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:48:54,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:54,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:48:54,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:48:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:54,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:48:54,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 01:48:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:54,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:54,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:54,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:48:54,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:54,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:48:54,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:48:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:54,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:48:54,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 01:48:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:54,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:54,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:48:54,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:48:54,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:48:54,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:48:54,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:48:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:48:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:48:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:48:54,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:48:54,468 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 01:48:54,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899156034] [2020-09-25 01:48:54,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:48:54,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 01:48:54,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744022778] [2020-09-25 01:48:54,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 01:48:54,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:48:54,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 01:48:54,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:48:54,473 INFO L87 Difference]: Start difference. First operand 300 states and 330 transitions. Second operand 5 states. [2020-09-25 01:48:55,170 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:48:56,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:48:56,670 INFO L93 Difference]: Finished difference Result 488 states and 560 transitions. [2020-09-25 01:48:56,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 01:48:56,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 01:48:56,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:48:56,683 INFO L225 Difference]: With dead ends: 488 [2020-09-25 01:48:56,683 INFO L226 Difference]: Without dead ends: 343 [2020-09-25 01:48:56,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:48:56,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-25 01:48:56,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 290. [2020-09-25 01:48:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-25 01:48:56,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 317 transitions. [2020-09-25 01:48:56,739 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 317 transitions. Word has length 149 [2020-09-25 01:48:56,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:48:56,739 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 317 transitions. [2020-09-25 01:48:56,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 01:48:56,740 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 317 transitions. [2020-09-25 01:48:56,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 01:48:56,742 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:48:56,743 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] [2020-09-25 01:48:56,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:48:56,743 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:48:56,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:48:56,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1584362740, now seen corresponding path program 1 times [2020-09-25 01:48:56,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:48:56,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025861764] [2020-09-25 01:48:56,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:48:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:48:56,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:57,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:57,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:58,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:48:59,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:01,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:01,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-25 01:49:01,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:49:01,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 01:49:01,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:49:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 01:49:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:49:01,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:02,155 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:49:02,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:49:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:02,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:02,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:02,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:49:02,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 01:49:02,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:02,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:02,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:49:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:02,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:02,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:49:02,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:02,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:49:02,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:02,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:02,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:02,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:02,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:02,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:49:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:02,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:02,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:02,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:49:02,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:49:02,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:02,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:49:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:02,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:02,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:02,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:49:02,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:02,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:49:02,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:02,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:02,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:49:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:02,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:02,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:02,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:49:02,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:49:02,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:02,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:02,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:49:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:02,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:02,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:02,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:49:02,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:02,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:49:02,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:02,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:02,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 01:49:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:02,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:02,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:02,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:49:02,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:02,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:49:02,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:49:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:02,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 01:49:02,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:02,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 01:49:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:02,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:02,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:02,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:49:02,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:02,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:49:02,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:02,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:02,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:49:02,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:02,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:02,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 01:49:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:02,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:02,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:02,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:49:02,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:02,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:49:02,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:02,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:49:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:02,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:02,382 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 01:49:02,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025861764] [2020-09-25 01:49:02,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:49:02,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 01:49:02,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791932637] [2020-09-25 01:49:02,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 01:49:02,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:49:02,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 01:49:02,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 01:49:02,385 INFO L87 Difference]: Start difference. First operand 290 states and 317 transitions. Second operand 6 states. [2020-09-25 01:49:02,926 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:49:05,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:49:05,556 INFO L93 Difference]: Finished difference Result 728 states and 857 transitions. [2020-09-25 01:49:05,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 01:49:05,557 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 01:49:05,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:49:05,563 INFO L225 Difference]: With dead ends: 728 [2020-09-25 01:49:05,563 INFO L226 Difference]: Without dead ends: 553 [2020-09-25 01:49:05,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 01:49:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-09-25 01:49:05,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 455. [2020-09-25 01:49:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-09-25 01:49:05,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 510 transitions. [2020-09-25 01:49:05,640 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 510 transitions. Word has length 162 [2020-09-25 01:49:05,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:49:05,640 INFO L479 AbstractCegarLoop]: Abstraction has 455 states and 510 transitions. [2020-09-25 01:49:05,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 01:49:05,641 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 510 transitions. [2020-09-25 01:49:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 01:49:05,644 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:49:05,644 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] [2020-09-25 01:49:05,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:49:05,644 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:49:05,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:49:05,645 INFO L82 PathProgramCache]: Analyzing trace with hash 247268501, now seen corresponding path program 1 times [2020-09-25 01:49:05,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:49:05,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338815761] [2020-09-25 01:49:05,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:49:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:05,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:06,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:06,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:07,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:09,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:10,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:10,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 01:49:10,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:49:10,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 01:49:10,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:10,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:49:10,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 01:49:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 01:49:10,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 01:49:11,090 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:49:11,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:49:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:11,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:11,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:11,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:49:11,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:11,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 01:49:11,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:11,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:11,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:11,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:11,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:49:11,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:49:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:11,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:11,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:11,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:49:11,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:11,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 01:49:11,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:11,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:11,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:11,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:11,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:11,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:49:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:11,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:11,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:11,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:49:11,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:49:11,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:11,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:11,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:49:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:11,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:11,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:11,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:49:11,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:11,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:49:11,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:11,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:11,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:11,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:11,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:49:11,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:49:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:11,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:11,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:11,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:49:11,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:11,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:49:11,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:11,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:11,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:11,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:49:11,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:49:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:11,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:11,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:11,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:49:11,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:49:11,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:11,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:11,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:11,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:11,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:49:11,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 01:49:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:11,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:11,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:11,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:49:11,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:11,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:49:11,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:49:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:49:11,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:49:11,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 01:49:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:11,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:11,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:11,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:49:11,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:11,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:49:11,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:11,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:49:11,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:11,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:49:11,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:49:11,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 01:49:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:11,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:11,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:11,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:49:11,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:49:11,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:49:11,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:49:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:49:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:49:11,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:49:11,660 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 01:49:11,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338815761] [2020-09-25 01:49:11,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:49:11,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 01:49:11,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234436717] [2020-09-25 01:49:11,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 01:49:11,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:49:11,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 01:49:11,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 01:49:11,673 INFO L87 Difference]: Start difference. First operand 455 states and 510 transitions. Second operand 10 states. [2020-09-25 01:49:12,292 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:49:13,988 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 01:49:14,646 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-25 01:49:15,029 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:49:15,374 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 01:49:15,707 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:49:16,589 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 01:49:16,942 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-25 01:49:17,385 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:49:17,922 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 01:49:19,036 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 01:49:20,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:49:20,212 INFO L93 Difference]: Finished difference Result 1094 states and 1342 transitions. [2020-09-25 01:49:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 01:49:20,213 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-25 01:49:20,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:49:20,219 INFO L225 Difference]: With dead ends: 1094 [2020-09-25 01:49:20,219 INFO L226 Difference]: Without dead ends: 754 [2020-09-25 01:49:20,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2020-09-25 01:49:20,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2020-09-25 01:49:20,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 645. [2020-09-25 01:49:20,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-09-25 01:49:20,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 730 transitions. [2020-09-25 01:49:20,334 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 730 transitions. Word has length 167 [2020-09-25 01:49:20,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:49:20,335 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 730 transitions. [2020-09-25 01:49:20,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 01:49:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 730 transitions. [2020-09-25 01:49:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-25 01:49:20,338 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:49:20,339 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:49:20,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 01:49:20,339 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:49:20,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:49:20,340 INFO L82 PathProgramCache]: Analyzing trace with hash -622762482, now seen corresponding path program 1 times [2020-09-25 01:49:20,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:49:20,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419447706] [2020-09-25 01:49:20,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:49:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:49:20,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:20,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:21,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:49:25,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:49:25,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-25 01:49:25,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:49:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 01:49:25,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:49:25,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:49:25,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-09-25 01:49:25,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 01:49:25,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1