/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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:31:37,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:31:37,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:31:37,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:31:37,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:31:37,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:31:37,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:31:37,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:31:37,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:31:37,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:31:37,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:31:37,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:31:37,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:31:37,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:31:37,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:31:37,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:31:37,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:31:37,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:31:37,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:31:37,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:31:37,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:31:37,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:31:38,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:31:38,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:31:38,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:31:38,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:31:38,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:31:38,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:31:38,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:31:38,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:31:38,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:31:38,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:31:38,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:31:38,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:31:38,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:31:38,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:31:38,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:31:38,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:31:38,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:31:38,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:31:38,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:31:38,032 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 11:31:38,071 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:31:38,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:31:38,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:31:38,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:31:38,076 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:31:38,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:31:38,077 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:31:38,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:31:38,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:31:38,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:31:38,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:31:38,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:31:38,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:31:38,078 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:31:38,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:31:38,079 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:31:38,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:31:38,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:31:38,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:31:38,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:31:38,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:31:38,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:31:38,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:31:38,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:31:38,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:31:38,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:31:38,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:31:38,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:31:38,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:31:38,083 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 11:31:38,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:31:38,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:31:38,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:31:38,416 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:31:38,417 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:31:38,417 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product29.cil.c [2020-10-13 11:31:38,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce0e03f11/6dd4b8366c194a3eb27359969a7a5c2e/FLAG8ae78951c [2020-10-13 11:31:39,095 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:31:39,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product29.cil.c [2020-10-13 11:31:39,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce0e03f11/6dd4b8366c194a3eb27359969a7a5c2e/FLAG8ae78951c [2020-10-13 11:31:39,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce0e03f11/6dd4b8366c194a3eb27359969a7a5c2e [2020-10-13 11:31:39,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:31:39,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:31:39,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:31:39,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:31:39,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:31:39,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:31:39" (1/1) ... [2020-10-13 11:31:39,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e6d6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:39, skipping insertion in model container [2020-10-13 11:31:39,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:31:39" (1/1) ... [2020-10-13 11:31:39,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:31:39,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:31:40,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:31:40,180 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:31:40,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:31:40,388 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:31:40,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:40 WrapperNode [2020-10-13 11:31:40,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:31:40,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:31:40,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:31:40,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:31:40,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:40" (1/1) ... [2020-10-13 11:31:40,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:40" (1/1) ... [2020-10-13 11:31:40,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:40" (1/1) ... [2020-10-13 11:31:40,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:40" (1/1) ... [2020-10-13 11:31:40,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:40" (1/1) ... [2020-10-13 11:31:40,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:40" (1/1) ... [2020-10-13 11:31:40,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:40" (1/1) ... [2020-10-13 11:31:40,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:31:40,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:31:40,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:31:40,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:31:40,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:40" (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 11:31:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:31:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:31:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:31:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:31:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:31:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:31:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:31:40,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:31:40,661 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:31:40,661 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:31:40,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:31:40,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:31:40,662 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:31:40,662 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:31:40,662 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:31:40,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:31:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:31:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:31:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:31:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:31:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:31:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:31:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:31:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:31:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:31:40,666 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:31:40,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:31:40,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:31:40,667 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:31:40,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:31:40,667 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:31:40,667 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:31:40,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:31:40,667 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:31:40,668 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:31:40,668 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:31:40,668 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:31:40,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:31:40,668 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:31:40,669 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:31:40,669 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:31:40,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:31:40,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:31:40,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:31:40,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:31:40,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:31:40,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:31:40,670 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:31:40,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:31:40,670 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:31:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:31:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:31:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:31:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:31:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:31:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:31:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:31:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:31:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:31:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:31:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:31:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:31:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:31:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:31:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:31:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:31:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:31:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:31:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:31:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:31:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:31:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:31:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:31:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:31:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:31:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:31:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:31:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:31:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:31:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:31:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:31:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:31:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:31:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:31:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:31:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:31:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:31:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:31:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:31:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:31:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:31:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:31:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:31:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:31:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:31:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:31:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:31:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:31:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:31:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:31:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:31:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:31:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:31:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:31:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:31:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:31:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:31:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:31:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:31:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:31:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:31:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:31:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:31:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:31:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:31:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:31:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:31:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:31:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:31:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:31:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:31:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:31:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:31:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:31:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:31:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:31:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:31:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:31:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:31:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:31:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:31:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:31:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:31:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:31:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:31:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:31:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:31:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:31:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:31:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:31:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:31:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:31:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:31:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:31:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:31:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:31:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:31:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:31:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:31:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:31:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:31:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:31:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:31:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:31:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:31:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:31:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:31:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:31:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:31:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:31:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:31:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:31:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:31:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:31:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:31:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:31:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:31:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:31:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:31:42,827 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:31:42,827 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:31:42,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:31:42 BoogieIcfgContainer [2020-10-13 11:31:42,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:31:42,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:31:42,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:31:42,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:31:42,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:31:39" (1/3) ... [2020-10-13 11:31:42,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252fc95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:31:42, skipping insertion in model container [2020-10-13 11:31:42,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:31:40" (2/3) ... [2020-10-13 11:31:42,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252fc95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:31:42, skipping insertion in model container [2020-10-13 11:31:42,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:31:42" (3/3) ... [2020-10-13 11:31:42,847 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product29.cil.c [2020-10-13 11:31:42,860 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:31:42,870 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:31:42,887 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:31:42,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:31:42,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:31:42,918 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:31:42,918 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:31:42,919 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:31:42,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:31:42,919 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:31:42,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:31:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states. [2020-10-13 11:31:42,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 11:31:42,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:31:42,983 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:31:42,984 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:31:42,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:31:42,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1653197611, now seen corresponding path program 1 times [2020-10-13 11:31:42,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:31:43,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859154444] [2020-10-13 11:31:43,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:31:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:43,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:43,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:46,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:48,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:48,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:48,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 11:31:48,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:31:48,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-13 11:31:48,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:48,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:48,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:31:48,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:31:48,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:31:49,548 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:31:49,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:49,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:49,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:49,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:49,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:49,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 11:31:49,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:49,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:49,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:31:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:49,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:49,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:49,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:49,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:49,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:49,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:49,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:49,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:31:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:49,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:49,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:49,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:49,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:49,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:49,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:49,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:49,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:49,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:31:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:49,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:49,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:49,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:49,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:49,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:49,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:49,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:49,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:49,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:49,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:49,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:31:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:49,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:49,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:49,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:49,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:49,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:49,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:49,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:49,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:49,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:49,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:49,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:31:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:49,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:49,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:49,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:49,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:49,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:49,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:49,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:49,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:49,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:49,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:49,876 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:31:49,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:31:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:49,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:49,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:50,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:50,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:50,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:54,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:54,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:54,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:54,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 11:31:54,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:31:54,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 11:31:54,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:31:54,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:31:54,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:55,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:55,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:55,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:31:55,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:31:55,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 556 [2020-10-13 11:31:55,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:55,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:55,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:31:55,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:31:55,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:55,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:55,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:55,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:55,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:55,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:31:55,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:31:55,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:31:55,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:31:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:31:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:55,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:55,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:31:55,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:31:55,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 11:31:55,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:55,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:31:55,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:55,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:55,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:31:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:55,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:55,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:55,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:55,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:55,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:55,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:31:55,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:31:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:55,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:00,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:00,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 11:32:00,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:32:00,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:32:00,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:32:00,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:32:00,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:32:00,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:32:00,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:00,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:00,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:00,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:00,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:00,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:01,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:04,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:04,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:05,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:05,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:32:05,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:32:05,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:32:05,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:05,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:32:05,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 11:32:05,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:32:05,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:05,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:05,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:05,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:05,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:32:05,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:05,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:32:05,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:05,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:05,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:32:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:05,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:05,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:05,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:05,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:05,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:05,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:05,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:05,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:32:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:05,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:05,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:05,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:05,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:05,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:05,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:05,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:05,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:32:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:05,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:05,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:05,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:32:05,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:05,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:32:05,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:05,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:05,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:05,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:05,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:05,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:05,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:05,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:05,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:05,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:05,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:05,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:05,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:32:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:05,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:05,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:05,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:32:05,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:05,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:05,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:05,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:05,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:05,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:05,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:05,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:32:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:05,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:05,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:05,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:32:05,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:05,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:32:05,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:05,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:32:05,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 11:32:05,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:32:05,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:05,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:32:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:05,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:05,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:05,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:32:05,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:05,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:32:05,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:05,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:05,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:32:05,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:05,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:05,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:05,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:05,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:05,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:06,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:06,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:06,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:06,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:32:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:32:06,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859154444] [2020-10-13 11:32:06,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:32:06,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:32:06,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950178189] [2020-10-13 11:32:06,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:32:06,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:32:06,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:32:06,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:32:06,156 INFO L87 Difference]: Start difference. First operand 789 states. Second operand 11 states. [2020-10-13 11:32:07,974 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:32:08,711 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:32:10,401 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:32:12,956 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:32:13,297 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-13 11:32:15,048 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:32:17,926 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:32:45,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:32:45,221 INFO L93 Difference]: Finished difference Result 2763 states and 5014 transitions. [2020-10-13 11:32:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-13 11:32:45,223 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 124 [2020-10-13 11:32:45,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:32:45,277 INFO L225 Difference]: With dead ends: 2763 [2020-10-13 11:32:45,278 INFO L226 Difference]: Without dead ends: 2104 [2020-10-13 11:32:45,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2020-10-13 11:32:45,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2020-10-13 11:32:45,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 1144. [2020-10-13 11:32:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1144 states. [2020-10-13 11:32:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1844 transitions. [2020-10-13 11:32:45,775 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1844 transitions. Word has length 124 [2020-10-13 11:32:45,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:32:45,776 INFO L479 AbstractCegarLoop]: Abstraction has 1144 states and 1844 transitions. [2020-10-13 11:32:45,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:32:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1844 transitions. [2020-10-13 11:32:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 11:32:45,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:32:45,786 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:32:45,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:32:45,787 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:32:45,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:32:45,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1983358479, now seen corresponding path program 1 times [2020-10-13 11:32:45,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:32:45,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986177152] [2020-10-13 11:32:45,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:32:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:45,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:45,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:46,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:46,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:46,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:47,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:49,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:50,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:50,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 11:32:50,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:32:50,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 11:32:50,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:50,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:50,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:32:50,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:32:50,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,645 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:32:51,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:51,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 11:32:51,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:51,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:32:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:51,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:51,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:51,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:51,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:51,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:32:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:51,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:51,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:51,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:51,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:51,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:32:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:51,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:51,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:51,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:51,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:51,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:32:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:51,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:51,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:51,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:51,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:51,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:32:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:51,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:51,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:51,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:51,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:51,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,995 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:32:51,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:32:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:52,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:52,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:52,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:52,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:52,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:52,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:55,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:55,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:57,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 11:32:57,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:32:57,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 11:32:57,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:57,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:57,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:32:57,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:32:57,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:57,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:57,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:57,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:32:57,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:32:57,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-13 11:32:57,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:57,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:57,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:32:57,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:32:57,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:57,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:57,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:57,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:32:57,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:32:57,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:57,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:57,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:32:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:57,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:57,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:32:57,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:57,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:32:57,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:57,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:57,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:32:57,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:32:57,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:57,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:32:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:57,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:57,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:57,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:57,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:57,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:32:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:32:57,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:57,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:32:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:57,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:58,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:00,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:00,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 11:33:00,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:33:00,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2890 [2020-10-13 11:33:00,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 11:33:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:00,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:00,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:00,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:00,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:00,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:00,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:00,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:03,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:03,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:33:03,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:33:03,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2825 [2020-10-13 11:33:03,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:03,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:03,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:03,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:03,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:03,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:33:03,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:03,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:03,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:03,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:03,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:03,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:33:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:03,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:03,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:03,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:03,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:03,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:03,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:03,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:03,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:33:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:03,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:03,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:03,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:03,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:03,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:03,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:03,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:03,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:03,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:03,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:03,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:33:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:03,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:03,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:03,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:33:03,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:33:03,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:03,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:03,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:03,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:03,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:03,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:03,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:03,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:03,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:03,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:03,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:33:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:03,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:03,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:03,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:33:03,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:03,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:03,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:03,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:03,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:03,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:03,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:03,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:33:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:03,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:03,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:03,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:03,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:03,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:03,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:03,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:03,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:03,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:03,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:03,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:33:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:03,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:03,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:03,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:33:03,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:03,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:03,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:03,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:03,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:03,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:03,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:03,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:03,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:03,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:03,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:03,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:03,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:03,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:03,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:03,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:33:03,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986177152] [2020-10-13 11:33:03,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:33:03,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:33:03,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307705213] [2020-10-13 11:33:03,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:33:03,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:33:03,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:33:03,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:33:03,448 INFO L87 Difference]: Start difference. First operand 1144 states and 1844 transitions. Second operand 10 states. [2020-10-13 11:33:04,249 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:33:05,112 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:33:06,643 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:33:22,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:33:22,131 INFO L93 Difference]: Finished difference Result 3117 states and 5521 transitions. [2020-10-13 11:33:22,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:33:22,132 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 127 [2020-10-13 11:33:22,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:33:22,157 INFO L225 Difference]: With dead ends: 3117 [2020-10-13 11:33:22,158 INFO L226 Difference]: Without dead ends: 2056 [2020-10-13 11:33:22,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:33:22,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2020-10-13 11:33:22,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 1144. [2020-10-13 11:33:22,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1144 states. [2020-10-13 11:33:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1839 transitions. [2020-10-13 11:33:22,592 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1839 transitions. Word has length 127 [2020-10-13 11:33:22,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:33:22,593 INFO L479 AbstractCegarLoop]: Abstraction has 1144 states and 1839 transitions. [2020-10-13 11:33:22,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:33:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1839 transitions. [2020-10-13 11:33:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 11:33:22,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:33:22,599 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:33:22,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:33:22,600 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:33:22,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:33:22,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1447908101, now seen corresponding path program 1 times [2020-10-13 11:33:22,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:33:22,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1166389534] [2020-10-13 11:33:22,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:33:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:22,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:22,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:22,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:23,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:23,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:23,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:24,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:26,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:26,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:26,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:27,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 11:33:27,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:33:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 11:33:27,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:33:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:33:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:28,454 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:33:28,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:28,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 11:33:28,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:28,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:28,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:28,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:28,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:33:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:28,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:28,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:28,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:33:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:28,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:28,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:28,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:33:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:28,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:28,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:28,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:33:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:28,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:28,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:28,721 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:33:28,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:33:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:29,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:29,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:29,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:33,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:33,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 11:33:33,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:33:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-13 11:33:33,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:33:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:33:33,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:33,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:33,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:33,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:33,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:33,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:34,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:34,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:33:34,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:34,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-13 11:33:34,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:33:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:33:34,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:34,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:34,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:34,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:34,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:33:34,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:34,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:34,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:33:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:33:34,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:34,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:33:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:34,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:34,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:34,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:34,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:33:34,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:33:34,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:33:34,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:33:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:34,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:34,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:33:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:34,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:34,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:34,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:34,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:34,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:34,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:34,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:34,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:34,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:34,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:33:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:34,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:34,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:34,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:34,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:36,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:37,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:37,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 11:33:37,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:33:37,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3650 [2020-10-13 11:33:37,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 11:33:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:37,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:37,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:37,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:37,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:37,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:37,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:37,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:40,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:40,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:33:40,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:33:40,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2459 [2020-10-13 11:33:40,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:40,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:40,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:40,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:40,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:33:40,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:40,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:33:40,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:40,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:40,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:40,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:40,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:40,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:33:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:40,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:40,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:40,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:40,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:40,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:40,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:40,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:40,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:40,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:40,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:33:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:40,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:40,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:40,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:40,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:40,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:40,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:40,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:40,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:40,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:40,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:33:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:40,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:40,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:40,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:33:40,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:40,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:33:40,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:40,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:40,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:40,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:40,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:40,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:40,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:40,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:40,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:40,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:40,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:40,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:40,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:40,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:33:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:40,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:40,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:40,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:33:40,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:40,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:40,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:40,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:40,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:40,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:40,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:40,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:33:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:40,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:40,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:40,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:40,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:40,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:40,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:40,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:40,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:40,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:40,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:40,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:33:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:40,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:40,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:40,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:33:40,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:40,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:40,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:40,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:40,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:40,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:40,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:40,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:40,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:40,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:40,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:40,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:40,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:40,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:40,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:40,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:33:40,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1166389534] [2020-10-13 11:33:40,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:33:40,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:33:40,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420405217] [2020-10-13 11:33:40,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:33:40,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:33:40,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:33:40,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:33:40,526 INFO L87 Difference]: Start difference. First operand 1144 states and 1839 transitions. Second operand 10 states. [2020-10-13 11:33:42,391 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:33:43,105 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:33:44,589 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:34:08,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:34:08,232 INFO L93 Difference]: Finished difference Result 3163 states and 5595 transitions. [2020-10-13 11:34:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:34:08,233 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 128 [2020-10-13 11:34:08,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:34:08,248 INFO L225 Difference]: With dead ends: 3163 [2020-10-13 11:34:08,249 INFO L226 Difference]: Without dead ends: 2056 [2020-10-13 11:34:08,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:34:08,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2020-10-13 11:34:08,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 1144. [2020-10-13 11:34:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1144 states. [2020-10-13 11:34:08,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1838 transitions. [2020-10-13 11:34:08,533 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1838 transitions. Word has length 128 [2020-10-13 11:34:08,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:34:08,533 INFO L479 AbstractCegarLoop]: Abstraction has 1144 states and 1838 transitions. [2020-10-13 11:34:08,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:34:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1838 transitions. [2020-10-13 11:34:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 11:34:08,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:34:08,539 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:34:08,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:34:08,539 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:34:08,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:34:08,540 INFO L82 PathProgramCache]: Analyzing trace with hash 383674558, now seen corresponding path program 1 times [2020-10-13 11:34:08,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:34:08,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029973995] [2020-10-13 11:34:08,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:34:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:08,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:08,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:08,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:08,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:09,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:09,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:09,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:13,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-13 11:34:13,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:34:13,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-13 11:34:13,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:34:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:13,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,364 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:34:14,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:14,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 11:34:14,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:14,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:14,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:34:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:14,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:14,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:34:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:14,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:14,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:34:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:14,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:14,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:34:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:14,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:14,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,643 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:34:14,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:34:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:17,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 11:34:19,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:34:19,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 11:34:19,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:19,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:34:19,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:19,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:20,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:34:20,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:34:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-13 11:34:20,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:34:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:20,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:20,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:20,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:34:20,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:20,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:20,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:20,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:20,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:20,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:20,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:20,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:34:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:20,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:20,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:34:20,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:34:20,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:34:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:34:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:20,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:34:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:20,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:20,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:20,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:20,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:20,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:34:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:20,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:20,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:34:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:20,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:22,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:22,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 11:34:22,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:34:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2742 [2020-10-13 11:34:22,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 11:34:22,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:22,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:22,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:22,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:22,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:22,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:22,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:22,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:25,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:25,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:34:25,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:34:25,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2634 [2020-10-13 11:34:25,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:25,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:25,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:25,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:25,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:25,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:25,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:25,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:25,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:34:25,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:25,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:34:25,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:25,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:25,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:25,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:25,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:25,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:34:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:25,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:25,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:25,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:25,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:25,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:25,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:25,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:25,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:34:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:25,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:25,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:25,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:25,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:25,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:25,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:25,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:25,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:25,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:25,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:25,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:34:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:25,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:25,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:25,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:34:25,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:25,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:34:25,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:25,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:25,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:25,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:25,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:25,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:25,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:25,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:25,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:25,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:25,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:25,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:34:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:25,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:25,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:25,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:34:25,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:25,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:25,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:25,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:25,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:25,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:25,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:25,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:34:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:25,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:25,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:25,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:34:25,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:25,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:25,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:25,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:25,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:34:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:25,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:25,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:25,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:34:25,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:25,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:25,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:25,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:25,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:25,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:25,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:25,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:25,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:25,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:25,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:25,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:25,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:25,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:25,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:34:25,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029973995] [2020-10-13 11:34:25,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:34:25,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:34:25,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357127905] [2020-10-13 11:34:25,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:34:25,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:34:25,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:34:25,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:34:25,631 INFO L87 Difference]: Start difference. First operand 1144 states and 1838 transitions. Second operand 10 states. [2020-10-13 11:34:27,247 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:34:28,747 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:34:30,908 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:34:48,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:34:48,626 INFO L93 Difference]: Finished difference Result 3117 states and 5515 transitions. [2020-10-13 11:34:48,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:34:48,627 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2020-10-13 11:34:48,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:34:48,643 INFO L225 Difference]: With dead ends: 3117 [2020-10-13 11:34:48,643 INFO L226 Difference]: Without dead ends: 2056 [2020-10-13 11:34:48,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:34:48,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2020-10-13 11:34:48,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 1144. [2020-10-13 11:34:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1144 states. [2020-10-13 11:34:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1833 transitions. [2020-10-13 11:34:48,924 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1833 transitions. Word has length 129 [2020-10-13 11:34:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:34:48,925 INFO L479 AbstractCegarLoop]: Abstraction has 1144 states and 1833 transitions. [2020-10-13 11:34:48,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:34:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1833 transitions. [2020-10-13 11:34:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-13 11:34:48,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:34:48,931 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:34:48,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:34:48,931 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:34:48,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:34:48,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1423578583, now seen corresponding path program 1 times [2020-10-13 11:34:48,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:34:48,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [993941561] [2020-10-13 11:34:48,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:34:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:49,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:49,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:49,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:51,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-13 11:34:53,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:34:53,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:34:53,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:34:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:53,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:54,702 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:34:54,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:54,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:54,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:54,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:54,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:54,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:34:54,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:54,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:54,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:54,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:54,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:54,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:54,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:54,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:54,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:54,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:54,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:54,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:54,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:54,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:34:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:54,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:54,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:54,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:54,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:54,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:54,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:54,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:54,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:34:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:54,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:54,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:54,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:54,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:54,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:54,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:54,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:54,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:34:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:54,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:54,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:54,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:54,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:54,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:54,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:54,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:54,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:54,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:54,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:54,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:34:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:54,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:54,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:54,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:54,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:54,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:54,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:54,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:54,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:54,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:54,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:54,969 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:34:54,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:34:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:54,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:54,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:56,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:56,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:56,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:59,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:59,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 11:34:59,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:34:59,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:34:59,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:34:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:59,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:00,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:35:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:00,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:00,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:00,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:00,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:00,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:00,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:35:00,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:35:00,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-13 11:35:00,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:35:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:35:00,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:00,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:00,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:00,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:00,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:35:00,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:00,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:00,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:35:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:35:00,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:00,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:35:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:00,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:00,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:00,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:00,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:35:00,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:00,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:35:00,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:35:00,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:00,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:00,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:35:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:00,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:00,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:00,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:00,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:00,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:00,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:00,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:00,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:35:00,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 11:35:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:00,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:00,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:00,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:00,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:01,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:02,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:02,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 11:35:02,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:35:02,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2483 [2020-10-13 11:35:02,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:02,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:02,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 11:35:02,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:02,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:02,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:02,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:02,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:02,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:02,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:03,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:05,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:05,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:35:05,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:35:05,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2882 [2020-10-13 11:35:05,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:05,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:05,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:05,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:05,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:05,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:05,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:05,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:05,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:35:05,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:05,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:05,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:05,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:05,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:35:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:05,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:05,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:05,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:05,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:05,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:05,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:05,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:05,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:35:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:05,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:05,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:05,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:05,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:05,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:05,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:05,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:05,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:35:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:05,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:05,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:05,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:35:05,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:05,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:35:05,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:05,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:05,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:05,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:05,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:05,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:05,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:05,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:05,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:05,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:05,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:05,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:05,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:05,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:35:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:05,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:05,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:05,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:35:05,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:05,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:05,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:05,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:05,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:05,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:35:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:05,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:05,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:05,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:35:05,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:05,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:05,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:05,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:05,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:05,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:05,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:05,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:35:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:05,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:05,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:05,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:35:05,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:05,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:05,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:05,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:05,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:05,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:05,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:05,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:05,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:05,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:05,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:05,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:05,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:05,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:35:05,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [993941561] [2020-10-13 11:35:05,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:35:05,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:35:05,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909686151] [2020-10-13 11:35:05,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:35:05,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:35:05,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:35:05,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:35:05,984 INFO L87 Difference]: Start difference. First operand 1144 states and 1833 transitions. Second operand 10 states. [2020-10-13 11:35:07,467 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:35:08,198 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:35:09,565 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:35:11,733 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121