/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 SequenceOfStatements --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 --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:31:24,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:31:24,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:31:24,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:31:24,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:31:24,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:31:24,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:31:24,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:31:24,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:31:24,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:31:24,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:31:24,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:31:24,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:31:24,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:31:24,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:31:24,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:31:24,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:31:24,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:31:24,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:31:24,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:31:24,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:31:24,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:31:24,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:31:24,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:31:24,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:31:24,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:31:24,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:31:24,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:31:24,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:31:24,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:31:24,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:31:24,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:31:24,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:31:24,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:31:24,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:31:24,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:31:24,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:31:24,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:31:24,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:31:24,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:31:24,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:31:24,882 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 [2020-10-13 11:31:24,904 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:31:24,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:31:24,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:31:24,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:31:24,906 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:31:24,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:31:24,907 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:31:24,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:31:24,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:31:24,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:31:24,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:31:24,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:31:24,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:31:24,908 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:31:24,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:31:24,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:31:24,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:31:24,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:31:24,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:31:24,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:31:24,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:31:24,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:31:24,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:31:24,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:31:24,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:31:24,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:31:24,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:31:24,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:31:24,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:31:24,911 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 -> SequenceOfStatements 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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=true; [2020-10-13 11:31:25,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:31:25,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:31:25,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:31:25,200 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:31:25,201 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:31:25,201 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product27.cil.c [2020-10-13 11:31:25,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5bbf4de5/2fe847bc40f4415282f031798e94b27c/FLAG8d18137ff [2020-10-13 11:31:25,871 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:31:25,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product27.cil.c [2020-10-13 11:31:25,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5bbf4de5/2fe847bc40f4415282f031798e94b27c/FLAG8d18137ff [2020-10-13 11:31:26,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5bbf4de5/2fe847bc40f4415282f031798e94b27c [2020-10-13 11:31:26,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:31:26,091 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:31:26,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:31:26,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:31:26,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:31:26,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:31:26" (1/1) ... [2020-10-13 11:31:26,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16661b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:26, skipping insertion in model container [2020-10-13 11:31:26,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:31:26" (1/1) ... [2020-10-13 11:31:26,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:31:26,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:31:26,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:31:26,865 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:31:27,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:31:27,120 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:31:27,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:27 WrapperNode [2020-10-13 11:31:27,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:31:27,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:31:27,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:31:27,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:31:27,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:27" (1/1) ... [2020-10-13 11:31:27,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:27" (1/1) ... [2020-10-13 11:31:27,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:27" (1/1) ... [2020-10-13 11:31:27,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:27" (1/1) ... [2020-10-13 11:31:27,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:27" (1/1) ... [2020-10-13 11:31:27,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:27" (1/1) ... [2020-10-13 11:31:27,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:27" (1/1) ... [2020-10-13 11:31:27,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:31:27,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:31:27,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:31:27,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:31:27,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:31:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:31:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:31:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:31:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:31:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:31:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:31:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:31:27,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:31:27,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:31:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:31:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:31:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:31:27,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:31:27,444 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:31:27,445 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:31:27,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:31:27,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:31:27,446 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:31:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:31:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:31:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:31:27,448 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:31:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:31:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:31:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:31:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:31:27,451 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:31:27,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:31:27,451 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:31:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:31:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:31:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:31:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:31:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:31:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:31:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:31:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:31:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:31:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:31:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:31:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:31:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:31:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:31:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:31:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:31:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-13 11:31:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-13 11:31:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:31:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:31:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:31:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:31:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:31:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:31:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:31:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:31:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:31:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:31:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:31:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:31:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:31:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:31:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:31:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:31:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:31:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:31:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:31:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:31:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:31:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:31:27,468 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:31:27,468 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:31:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:31:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:31:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:31:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:31:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:31:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:31:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:31:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:31:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:31:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:31:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:31:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:31:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:31:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:31:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:31:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:31:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:31:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:31:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:31:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:31:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:31:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:31:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:31:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:31:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:31:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:31:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:31:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:31:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:31:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:31:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:31:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:31:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:31:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:31:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:31:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:31:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:31:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:31:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:31:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:31:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:31:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:31:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:31:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:31:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:31:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:31:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:31:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:31:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:31:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:31:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:31:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:31:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:31:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:31:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:31:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:31:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:31:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:31:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:31:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:31:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-13 11:31:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-13 11:31:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:31:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:31:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:31:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:31:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:31:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:31:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:31:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:31:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:31:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:31:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:31:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:31:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:31:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:31:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:31:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:31:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:31:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:31:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:31:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:31:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:31:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:31:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:31:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:31:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:31:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:31:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:31:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:31:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:31:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:31:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:31:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:31:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:31:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:31:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:31:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:31:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:31:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:31:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:31:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:31:29,862 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:31:29,863 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:31:29,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:31:29 BoogieIcfgContainer [2020-10-13 11:31:29,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:31:29,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:31:29,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:31:29,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:31:29,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:31:26" (1/3) ... [2020-10-13 11:31:29,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a95b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:31:29, skipping insertion in model container [2020-10-13 11:31:29,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:27" (2/3) ... [2020-10-13 11:31:29,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a95b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:31:29, skipping insertion in model container [2020-10-13 11:31:29,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:31:29" (3/3) ... [2020-10-13 11:31:29,879 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product27.cil.c [2020-10-13 11:31:29,889 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:31:29,898 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:31:29,911 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:31:29,937 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:31:29,937 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:31:29,937 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:31:29,937 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:31:29,937 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:31:29,937 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:31:29,938 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:31:29,938 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:31:29,979 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states. [2020-10-13 11:31:30,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 11:31:30,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:31:30,004 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:31:30,004 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:31:30,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:31:30,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1054134663, now seen corresponding path program 1 times [2020-10-13 11:31:30,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:31:30,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276234493] [2020-10-13 11:31:30,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:31:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:30,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:30,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:30,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:31,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:31,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:35,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:35,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 11:31:35,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:31:35,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:31:35,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:31:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:31:35,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:31:36,562 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:31:36,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:36,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:36,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:36,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:36,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:36,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 11:31:36,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:36,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:36,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:36,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:31:36,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:31:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:36,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:36,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:36,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:36,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:36,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:36,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:36,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:36,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:31:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:36,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:36,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:36,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:36,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:36,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:36,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:36,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:36,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:36,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:36,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:36,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:31:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:36,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:36,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:36,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:36,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:36,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:36,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:36,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:36,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:36,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:36,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:36,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:31:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:36,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:36,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:36,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:36,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:36,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:36,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:36,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:36,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:36,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:36,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:31:36,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:31:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:36,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:36,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:36,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:36,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:36,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:31:36,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:36,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:36,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:37,092 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:31:37,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:31:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:37,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:37,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:37,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:37,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:38,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:38,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:42,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:42,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-13 11:31:42,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:31:42,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:31:42,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:42,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:42,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:31:42,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:31:42,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:31:42,365 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:31:42,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:42,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:42,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:42,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:42,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:43,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:43,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:31:43,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:31:43,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 645 [2020-10-13 11:31:43,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:43,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:43,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:31:43,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:31:43,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:43,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:43,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:43,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:43,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:43,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:43,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:43,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:43,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:31:43,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:31:43,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:43,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:31:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:43,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:43,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:43,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:43,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:31:43,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:31:43,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:31:43,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:31:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:43,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:43,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:31:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:43,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:43,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:43,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:43,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:43,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:43,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:43,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:43,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:43,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:43,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:43,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:31:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:43,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:43,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:43,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:43,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:46,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:48,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:48,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 11:31:48,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:31:48,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:31:48,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-13 11:31:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:48,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:48,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:48,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:48,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:48,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:48,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 11:31:51,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:31:51,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3659 [2020-10-13 11:31:51,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:51,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:31:51,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:51,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:51,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:51,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:31:51,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:51,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:51,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:51,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:51,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:51,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:51,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:51,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:31:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:51,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:51,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:51,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:51,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:31:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:31:51,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:51,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:31:51,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:31:51,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:31:51,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:51,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:51,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:51,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:51,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:51,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:51,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:51,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:31:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:51,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:51,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:51,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:31:51,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:31:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:31:51,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:51,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:51,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:31:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:31:51,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:51,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:51,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:31:51,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:51,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:51,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:51,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:51,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:31:52,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276234493] [2020-10-13 11:31:52,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:31:52,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:31:52,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277530571] [2020-10-13 11:31:52,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:31:52,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:31:52,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:31:52,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:31:52,093 INFO L87 Difference]: Start difference. First operand 786 states. Second operand 10 states. [2020-10-13 11:31:52,839 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:31:53,833 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:31:54,723 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-13 11:31:56,276 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:32:00,657 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:32:14,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:32:14,147 INFO L93 Difference]: Finished difference Result 1791 states and 3142 transitions. [2020-10-13 11:32:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:32:14,150 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2020-10-13 11:32:14,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:32:14,186 INFO L225 Difference]: With dead ends: 1791 [2020-10-13 11:32:14,187 INFO L226 Difference]: Without dead ends: 1154 [2020-10-13 11:32:14,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:32:14,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2020-10-13 11:32:14,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 626. [2020-10-13 11:32:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-10-13 11:32:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 996 transitions. [2020-10-13 11:32:14,476 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 996 transitions. Word has length 133 [2020-10-13 11:32:14,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:32:14,476 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 996 transitions. [2020-10-13 11:32:14,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:32:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 996 transitions. [2020-10-13 11:32:14,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 11:32:14,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:32:14,485 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:32:14,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:32:14,486 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:32:14,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:32:14,486 INFO L82 PathProgramCache]: Analyzing trace with hash 545110777, now seen corresponding path program 1 times [2020-10-13 11:32:14,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:32:14,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731286514] [2020-10-13 11:32:14,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:32:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:14,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:14,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:14,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:14,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:15,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:15,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:17,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:18,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:19,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:19,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-13 11:32:19,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:32:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:32:19,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:32:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:32:19,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:20,452 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:32:20,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:20,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:20,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:20,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:20,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:20,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:32:20,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:20,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:20,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:20,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:20,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:20,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:32:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:20,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:20,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:20,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:20,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:20,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:20,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:20,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:20,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:20,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:32:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:20,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:20,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:20,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:20,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:20,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:20,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:20,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:20,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:32:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:20,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:20,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:20,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:20,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:20,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:20,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:20,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:20,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:20,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:32:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:20,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:20,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:20,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:20,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:20,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:20,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:20,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:20,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:20,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:20,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:32:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:20,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:20,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:20,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:20,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:20,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:20,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:20,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:20,758 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:32:20,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:32:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:20,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:20,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:20,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:20,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:21,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:21,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:25,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:25,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:25,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 11:32:25,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:32:25,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:32:25,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:32:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:32:25,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:25,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:25,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:25,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:25,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:25,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:26,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:26,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:32:26,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:32:26,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-13 11:32:26,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:26,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:26,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:32:26,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:32:26,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:26,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:26,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:26,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:26,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:32:26,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:26,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:26,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:32:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:32:26,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:26,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:32:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:26,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:26,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:26,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:32:26,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:26,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:32:26,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:32:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:26,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:26,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:32:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:26,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:26,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:26,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:26,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:26,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:26,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:26,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:32:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:26,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:26,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:26,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:26,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:29,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:29,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:32:29,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:32:29,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3207 [2020-10-13 11:32:29,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 11:32:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:29,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:29,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:29,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:29,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:29,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:29,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 11:32:31,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:32:31,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1787 [2020-10-13 11:32:31,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:31,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:32:31,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:31,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:31,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:31,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:32:31,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:31,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:31,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:31,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:31,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:31,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:31,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:32:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:31,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:31,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:31,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:31,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:32:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:31,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:32:31,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:31,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:31,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:31,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:32:31,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:31,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:31,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:31,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:31,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:31,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:31,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:32:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:31,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:31,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:31,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:31,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:32:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:31,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:32:31,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:31,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:31,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:32:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:31,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:32:31,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:31,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:31,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:31,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:31,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:31,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:31,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:31,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:31,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:32:31,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731286514] [2020-10-13 11:32:31,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:32:31,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:32:31,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129926382] [2020-10-13 11:32:31,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:32:31,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:32:31,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:32:31,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:32:31,504 INFO L87 Difference]: Start difference. First operand 626 states and 996 transitions. Second operand 10 states. [2020-10-13 11:32:32,062 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:32:33,007 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:32:33,885 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-13 11:32:35,367 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:32:39,688 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:32:55,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:32:55,565 INFO L93 Difference]: Finished difference Result 1743 states and 3041 transitions. [2020-10-13 11:32:55,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:32:55,565 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-10-13 11:32:55,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:32:55,577 INFO L225 Difference]: With dead ends: 1743 [2020-10-13 11:32:55,578 INFO L226 Difference]: Without dead ends: 1154 [2020-10-13 11:32:55,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:32:55,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2020-10-13 11:32:55,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 626. [2020-10-13 11:32:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-10-13 11:32:55,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 995 transitions. [2020-10-13 11:32:55,746 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 995 transitions. Word has length 136 [2020-10-13 11:32:55,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:32:55,747 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 995 transitions. [2020-10-13 11:32:55,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:32:55,747 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 995 transitions. [2020-10-13 11:32:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-13 11:32:55,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:32:55,752 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:32:55,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:32:55,752 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:32:55,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:32:55,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1596840266, now seen corresponding path program 1 times [2020-10-13 11:32:55,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:32:55,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104973452] [2020-10-13 11:32:55,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:32:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:55,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:55,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:55,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:58,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:58,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:58,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:00,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:00,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-13 11:33:00,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:33:00,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-13 11:33:00,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:00,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:33:00,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:33:00,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:01,781 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:33:01,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:01,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:01,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:01,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:01,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:01,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 11:33:01,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:01,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:01,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:01,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:01,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:01,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:01,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:01,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:01,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:01,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:33:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:01,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:01,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:01,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:01,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:01,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:01,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:01,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:33:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:01,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:01,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:01,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:01,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:01,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:01,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:01,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:01,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:33:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:01,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:01,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:01,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:01,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:01,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:01,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:01,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:01,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:33:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:01,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:01,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:01,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:01,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:01,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:01,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:02,092 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:33:02,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:33:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:02,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:02,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:02,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:02,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:04,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:04,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:04,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:07,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 11:33:07,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:33:07,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:33:07,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:07,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:07,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:33:07,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:33:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:07,260 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:33:07,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:07,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:07,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:33:07,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:07,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-10-13 11:33:07,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:07,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:07,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:33:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:33:07,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:07,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:07,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:07,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:33:07,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:33:07,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:07,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:33:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:07,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:07,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:33:07,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:07,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:33:07,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:07,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:33:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:33:07,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:07,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:33:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:07,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:07,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:07,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:07,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:33:07,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:07,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:33:07,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:07,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:33:07,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:07,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:33:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:07,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:11,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:11,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:33:11,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:11,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3158 [2020-10-13 11:33:11,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 11:33:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:11,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:11,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:11,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:11,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:11,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:11,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 11:33:13,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:13,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2291 [2020-10-13 11:33:13,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:13,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:33:13,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:13,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:13,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:33:13,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:13,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:13,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:13,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:13,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:13,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:13,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:33:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:13,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:13,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:13,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:33:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:13,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:33:13,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:13,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:33:13,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:13,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:33:13,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:13,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:13,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:13,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:13,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:13,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:13,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:33:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:13,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:13,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:13,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:13,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:33:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:13,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:13,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:13,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:13,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:33:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:13,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:33:13,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:13,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:13,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:13,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:13,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:13,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:13,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:13,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:13,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:13,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:13,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:13,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:13,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:33:13,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104973452] [2020-10-13 11:33:13,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:33:13,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:33:13,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133370910] [2020-10-13 11:33:13,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:33:13,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:33:13,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:33:13,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:33:13,613 INFO L87 Difference]: Start difference. First operand 626 states and 995 transitions. Second operand 10 states. [2020-10-13 11:33:14,300 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:33:15,349 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:33:16,796 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:33:20,994 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:33:35,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:33:35,669 INFO L93 Difference]: Finished difference Result 1697 states and 2956 transitions. [2020-10-13 11:33:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:33:35,670 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2020-10-13 11:33:35,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:33:35,680 INFO L225 Difference]: With dead ends: 1697 [2020-10-13 11:33:35,680 INFO L226 Difference]: Without dead ends: 1154 [2020-10-13 11:33:35,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:33:35,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2020-10-13 11:33:35,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 626. [2020-10-13 11:33:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-10-13 11:33:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 990 transitions. [2020-10-13 11:33:35,865 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 990 transitions. Word has length 137 [2020-10-13 11:33:35,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:33:35,866 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 990 transitions. [2020-10-13 11:33:35,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:33:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 990 transitions. [2020-10-13 11:33:35,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 11:33:35,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:33:35,871 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:33:35,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:33:35,871 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:33:35,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:33:35,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1602172262, now seen corresponding path program 1 times [2020-10-13 11:33:35,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:33:35,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221502957] [2020-10-13 11:33:35,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:33:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:35,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:35,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:36,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:36,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:36,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:37,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:40,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:40,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-13 11:33:40,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:33:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 11:33:40,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:33:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:33:40,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:41,809 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:33:41,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:41,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:41,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:41,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:41,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:41,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:33:41,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:41,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:41,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:41,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:41,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:41,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:41,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:41,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:41,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:33:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:41,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:41,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:41,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:41,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:41,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:41,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:41,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:33:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:41,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:41,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:41,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:41,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:41,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:41,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:41,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:41,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:33:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:41,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:41,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:41,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:41,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:41,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:41,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:41,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:41,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:41,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:41,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:41,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:33:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:41,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:41,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:41,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:41,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:41,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:41,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:41,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:42,150 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:33:42,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:33:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:42,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:42,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:42,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:42,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:43,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:43,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:43,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 11:33:47,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:33:47,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:33:47,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:33:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:33:47,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:33:47,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:47,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-13 11:33:47,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:33:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:33:47,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:47,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:47,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:47,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:33:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:33:47,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:33:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:33:47,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:33:47,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:33:47,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:47,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:33:47,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:47,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:33:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:47,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:47,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:33:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:50,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:50,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:33:50,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:50,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2945 [2020-10-13 11:33:50,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:50,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:50,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 11:33:50,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:50,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:50,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:50,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:50,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:50,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:50,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 11:33:52,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:52,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1781 [2020-10-13 11:33:52,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:33:52,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:52,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:33:52,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:52,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:33:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:52,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:33:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:33:52,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:52,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:33:52,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:52,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:33:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:52,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:33:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:52,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:52,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:33:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:33:52,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:52,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:52,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:33:52,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221502957] [2020-10-13 11:33:52,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:33:52,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:33:52,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949403976] [2020-10-13 11:33:52,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:33:52,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:33:52,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:33:52,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:33:52,455 INFO L87 Difference]: Start difference. First operand 626 states and 990 transitions. Second operand 10 states. [2020-10-13 11:33:53,057 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:33:53,984 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:33:54,885 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-13 11:33:56,373 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:34:00,799 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:34:22,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:34:22,776 INFO L93 Difference]: Finished difference Result 1743 states and 3030 transitions. [2020-10-13 11:34:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:34:22,777 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 138 [2020-10-13 11:34:22,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:34:22,787 INFO L225 Difference]: With dead ends: 1743 [2020-10-13 11:34:22,787 INFO L226 Difference]: Without dead ends: 1154 [2020-10-13 11:34:22,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:34:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2020-10-13 11:34:22,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 626. [2020-10-13 11:34:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-10-13 11:34:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 989 transitions. [2020-10-13 11:34:22,942 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 989 transitions. Word has length 138 [2020-10-13 11:34:22,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:34:22,942 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 989 transitions. [2020-10-13 11:34:22,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:34:22,942 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 989 transitions. [2020-10-13 11:34:22,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-13 11:34:22,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:34:22,946 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:34:22,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:34:22,947 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:34:22,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:34:22,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1804060443, now seen corresponding path program 1 times [2020-10-13 11:34:22,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:34:22,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678843233] [2020-10-13 11:34:22,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:34:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:23,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:23,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:23,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:23,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:23,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:24,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:26,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:27,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:28,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:28,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-13 11:34:28,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:34:28,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 11:34:28,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:28,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:28,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:34:28,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:28,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:28,886 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:34:28,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:28,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:28,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:28,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:28,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:28,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:34:28,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:28,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:28,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:28,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:28,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:28,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:28,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:28,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:28,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:28,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:28,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:28,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:28,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:28,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:34:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:28,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:28,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:28,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:28,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:28,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:28,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:28,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:28,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:28,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:28,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:28,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:34:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:28,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:28,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:28,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:28,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:28,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:34:28,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:28,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:28,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:34:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:28,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:28,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:28,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:28,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:28,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:28,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:34:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:28,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:28,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:28,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:28,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:28,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:28,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:28,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:28,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:29,187 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:34:29,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:34:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:29,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:29,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:29,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:29,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:29,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:29,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:33,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:34,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-13 11:34:34,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:34:34,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:34:34,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:34,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:34,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 11:34:34,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:34,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:34,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:34,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:34,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:34:34,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:34:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-13 11:34:34,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:34:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:34,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:34,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:34,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:34:34,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:34,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:34,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:34:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:34,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:34,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:34:34,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:34,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:34:34,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:34:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:34:34,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:34,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:34:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:34,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:34,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:34,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:34,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:34,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:34:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:34,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:34,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 11:34:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:34,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:37,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:37,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:34:37,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:34:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2582 [2020-10-13 11:34:37,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 11:34:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:37,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:37,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:37,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:37,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:37,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:37,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 11:34:38,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:34:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1637 [2020-10-13 11:34:38,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:38,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:38,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:34:38,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:38,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:38,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:38,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:34:38,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:38,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:38,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:38,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:38,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:38,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:38,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:38,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:38,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:34:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:38,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:38,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:38,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:38,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:38,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:34:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:38,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:34:38,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:38,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:38,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:38,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:34:38,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:38,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:38,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:38,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:38,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:38,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:38,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:38,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:38,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:34:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:38,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:38,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:38,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:38,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:38,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:34:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:38,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:34:38,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:38,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:38,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:38,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:34:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:38,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:34:38,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:38,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:38,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:38,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:38,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:38,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:38,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:38,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:38,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:34:39,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678843233] [2020-10-13 11:34:39,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:34:39,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:34:39,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764690253] [2020-10-13 11:34:39,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:34:39,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:34:39,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:34:39,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:34:39,008 INFO L87 Difference]: Start difference. First operand 626 states and 989 transitions. Second operand 10 states. [2020-10-13 11:34:39,638 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:34:40,684 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:34:42,192 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:34:46,845 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:35:08,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:35:08,537 INFO L93 Difference]: Finished difference Result 1697 states and 2950 transitions. [2020-10-13 11:35:08,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:35:08,538 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2020-10-13 11:35:08,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:35:08,547 INFO L225 Difference]: With dead ends: 1697 [2020-10-13 11:35:08,547 INFO L226 Difference]: Without dead ends: 1154 [2020-10-13 11:35:08,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:35:08,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2020-10-13 11:35:08,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 626. [2020-10-13 11:35:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-10-13 11:35:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 984 transitions. [2020-10-13 11:35:08,704 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 984 transitions. Word has length 139 [2020-10-13 11:35:08,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:35:08,705 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 984 transitions. [2020-10-13 11:35:08,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:35:08,705 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 984 transitions. [2020-10-13 11:35:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-13 11:35:08,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:35:08,709 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:35:08,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:35:08,709 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:35:08,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:35:08,710 INFO L82 PathProgramCache]: Analyzing trace with hash 454245082, now seen corresponding path program 1 times [2020-10-13 11:35:08,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:35:08,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589724953] [2020-10-13 11:35:08,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:35:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:10,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:11,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:11,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:12,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:13,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:13,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-13 11:35:13,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:35:13,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 11:35:13,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:13,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:35:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:35:13,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:14,674 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:35:14,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:35:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:14,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:14,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:14,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:14,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:14,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:35:14,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:14,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:14,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:14,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:14,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:14,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:14,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:14,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:14,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:14,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:14,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:14,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:14,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:14,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:35:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:14,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:14,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:14,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:14,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:14,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:14,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:14,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:35:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:14,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:14,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:14,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:14,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:14,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:14,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:14,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:14,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:14,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:14,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:14,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:35:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:14,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:14,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:14,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:14,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:14,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:14,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:14,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:14,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:14,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:14,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:14,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:35:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:14,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:14,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:14,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:14,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:14,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:14,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:14,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:14,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:14,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:14,968 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:35:14,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:35:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:14,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:14,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:15,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:15,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking...