/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_spec9_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:07:59,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:07:59,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:07:59,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:07:59,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:07:59,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:07:59,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:07:59,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:07:59,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:07:59,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:07:59,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:07:59,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:07:59,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:07:59,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:07:59,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:07:59,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:07:59,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:07:59,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:07:59,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:07:59,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:07:59,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:07:59,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:07:59,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:07:59,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:07:59,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:07:59,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:07:59,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:07:59,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:07:59,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:07:59,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:07:59,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:07:59,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:07:59,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:07:59,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:07:59,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:07:59,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:07:59,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:07:59,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:07:59,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:07:59,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:07:59,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:07:59,488 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 [2020-10-14 06:07:59,529 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:07:59,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:07:59,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:07:59,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:07:59,533 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:07:59,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:07:59,533 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:07:59,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:07:59,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:07:59,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:07:59,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:07:59,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:07:59,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:07:59,534 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:07:59,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:07:59,535 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:07:59,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:07:59,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:07:59,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:07:59,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:07:59,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:07:59,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:07:59,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:07:59,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:07:59,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:07:59,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:07:59,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:07:59,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:07:59,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:07:59,539 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:07:59,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:07:59,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:07:59,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:07:59,865 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:07:59,865 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:07:59,866 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product31.cil.c [2020-10-14 06:07:59,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5b1732d4/13a511440513469783abe14d68fc141e/FLAGce04e59fb [2020-10-14 06:08:00,568 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:08:00,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product31.cil.c [2020-10-14 06:08:00,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5b1732d4/13a511440513469783abe14d68fc141e/FLAGce04e59fb [2020-10-14 06:08:00,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5b1732d4/13a511440513469783abe14d68fc141e [2020-10-14 06:08:00,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:08:00,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:08:00,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:08:00,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:08:00,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:08:00,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:08:00" (1/1) ... [2020-10-14 06:08:00,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e439e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:08:00, skipping insertion in model container [2020-10-14 06:08:00,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:08:00" (1/1) ... [2020-10-14 06:08:00,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:08:00,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:08:01,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:08:01,531 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:08:01,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:08:01,703 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:08:01,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:08:01 WrapperNode [2020-10-14 06:08:01,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:08:01,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:08:01,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:08:01,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:08:01,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:08:01" (1/1) ... [2020-10-14 06:08:01,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:08:01" (1/1) ... [2020-10-14 06:08:01,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:08:01" (1/1) ... [2020-10-14 06:08:01,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:08:01" (1/1) ... [2020-10-14 06:08:01,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:08:01" (1/1) ... [2020-10-14 06:08:01,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:08:01" (1/1) ... [2020-10-14 06:08:01,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:08:01" (1/1) ... [2020-10-14 06:08:01,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:08:01,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:08:01,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:08:01,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:08:01,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:08:01" (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 [2020-10-14 06:08:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:08:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:08:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:08:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 06:08:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 06:08:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 06:08:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:08:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 06:08:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 06:08:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:08:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 06:08:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 06:08:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 06:08:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 06:08:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 06:08:02,018 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 06:08:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 06:08:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 06:08:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-14 06:08:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-14 06:08:02,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-14 06:08:02,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-14 06:08:02,021 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 06:08:02,021 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 06:08:02,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 06:08:02,023 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 06:08:02,023 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 06:08:02,023 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 06:08:02,023 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-14 06:08:02,023 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 06:08:02,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 06:08:02,024 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 06:08:02,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 06:08:02,025 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 06:08:02,025 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 06:08:02,025 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 06:08:02,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 06:08:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 06:08:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 06:08:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 06:08:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-14 06:08:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 06:08:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 06:08:02,027 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 06:08:02,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 06:08:02,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-14 06:08:02,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 06:08:02,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 06:08:02,028 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 06:08:02,028 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 06:08:02,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 06:08:02,029 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 06:08:02,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-14 06:08:02,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-14 06:08:02,030 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:08:02,030 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:08:02,030 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:08:02,030 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:08:02,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:08:02,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:08:02,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:08:02,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:08:02,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:08:02,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:08:02,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 06:08:02,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 06:08:02,032 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 06:08:02,032 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 06:08:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 06:08:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 06:08:02,034 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 06:08:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 06:08:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 06:08:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 06:08:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 06:08:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 06:08:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 06:08:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 06:08:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:08:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 06:08:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:08:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:08:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:08:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 06:08:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 06:08:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 06:08:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 06:08:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 06:08:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:08:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 06:08:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 06:08:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 06:08:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 06:08:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 06:08:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 06:08:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 06:08:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 06:08:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:08:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 06:08:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 06:08:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 06:08:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 06:08:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 06:08:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 06:08:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 06:08:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 06:08:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 06:08:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 06:08:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-14 06:08:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-14 06:08:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-14 06:08:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-14 06:08:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:08:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 06:08:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 06:08:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 06:08:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 06:08:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-14 06:08:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-14 06:08:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 06:08:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 06:08:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-14 06:08:02,046 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 06:08:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 06:08:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 06:08:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 06:08:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 06:08:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 06:08:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-14 06:08:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 06:08:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 06:08:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 06:08:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-14 06:08:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 06:08:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 06:08:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 06:08:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:08:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 06:08:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:08:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:08:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:08:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:08:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:08:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:08:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:08:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:08:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:08:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:08:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:08:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:08:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:08:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:08:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:08:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:08:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:08:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:08:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:08:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:08:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 06:08:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 06:08:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 06:08:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 06:08:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 06:08:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 06:08:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 06:08:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 06:08:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 06:08:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 06:08:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 06:08:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 06:08:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 06:08:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:08:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 06:08:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:08:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:08:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:08:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:08:04,322 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:08:04,322 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 06:08:04,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:08:04 BoogieIcfgContainer [2020-10-14 06:08:04,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:08:04,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:08:04,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:08:04,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:08:04,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:08:00" (1/3) ... [2020-10-14 06:08:04,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5a7642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:08:04, skipping insertion in model container [2020-10-14 06:08:04,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:08:01" (2/3) ... [2020-10-14 06:08:04,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5a7642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:08:04, skipping insertion in model container [2020-10-14 06:08:04,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:08:04" (3/3) ... [2020-10-14 06:08:04,339 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product31.cil.c [2020-10-14 06:08:04,350 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:08:04,359 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:08:04,401 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:08:04,428 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:08:04,428 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:08:04,429 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:08:04,429 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:08:04,429 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:08:04,429 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:08:04,429 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:08:04,429 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:08:04,464 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states. [2020-10-14 06:08:04,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 06:08:04,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:08:04,491 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:08:04,491 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:08:04,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:08:04,497 INFO L82 PathProgramCache]: Analyzing trace with hash -817980403, now seen corresponding path program 1 times [2020-10-14 06:08:04,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:08:04,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469332132] [2020-10-14 06:08:04,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:08:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:05,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:05,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:05,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:05,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:07,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:09,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:10,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:10,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-14 06:08:10,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:08:10,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5265 [2020-10-14 06:08:10,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:10,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:10,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 06:08:10,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 06:08:11,249 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:08:11,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:08:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:11,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-14 06:08:11,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 06:08:11,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:11,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:11,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:11,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:11,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:08:11,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:11,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:08:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:11,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:11,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:11,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:11,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:08:11,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:11,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:08:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:11,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:11,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:08:11,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:11,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:08:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:11,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:11,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:11,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:11,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:08:11,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:11,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:08:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:11,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:08:11,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:11,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:08:11,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:11,707 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:08:11,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:08:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:13,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:13,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:16,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:16,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 06:08:16,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:08:16,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 06:08:16,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:16,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:16,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:08:16,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:08:16,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:08:16,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:16,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:08:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:16,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:16,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:16,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:16,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:17,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:17,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:08:17,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:08:17,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-10-14 06:08:17,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:17,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:08:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 06:08:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:08:17,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:17,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:17,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:17,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:17,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:17,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:08:17,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:08:17,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:17,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:17,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:17,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:17,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:17,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:17,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:17,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:08:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:17,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:17,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:17,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:08:17,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:17,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 06:08:17,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:17,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:08:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:08:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 06:08:17,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:17,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:08:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:17,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:17,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:17,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:08:17,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:17,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:17,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:17,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:08:17,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:17,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 06:08:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:17,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:17,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:17,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:21,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:21,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 06:08:21,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:08:21,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3894 [2020-10-14 06:08:21,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:21,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:21,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:21,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-14 06:08:21,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:21,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:21,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:21,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:21,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:21,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:22,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 06:08:24,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:08:24,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2735 [2020-10-14 06:08:24,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:08:24,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:24,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:24,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 06:08:24,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:24,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:24,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:08:24,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:24,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:24,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 06:08:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:24,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:24,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:24,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:08:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:08:24,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:24,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:08:24,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 06:08:24,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:24,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:24,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:08:24,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:24,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:24,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 06:08:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:24,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:24,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:24,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 06:08:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:08:24,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:24,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:24,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:08:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 06:08:24,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:08:24,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 06:08:24,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:24,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:24,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:24,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:24,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:24,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:24,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:08:24,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:24,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:24,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:24,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:24,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:24,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:24,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:24,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:24,635 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 06:08:24,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469332132] [2020-10-14 06:08:24,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:08:24,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:08:24,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961662394] [2020-10-14 06:08:24,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:08:24,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:08:24,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:08:24,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:08:24,664 INFO L87 Difference]: Start difference. First operand 808 states. Second operand 11 states. [2020-10-14 06:08:25,813 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-14 06:08:26,279 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 06:08:27,344 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-14 06:08:29,191 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:08:34,436 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 06:08:48,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:08:48,799 INFO L93 Difference]: Finished difference Result 1789 states and 3114 transitions. [2020-10-14 06:08:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:08:48,804 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 135 [2020-10-14 06:08:48,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:08:48,841 INFO L225 Difference]: With dead ends: 1789 [2020-10-14 06:08:48,841 INFO L226 Difference]: Without dead ends: 1176 [2020-10-14 06:08:48,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-14 06:08:48,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2020-10-14 06:08:49,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 648. [2020-10-14 06:08:49,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-10-14 06:08:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1020 transitions. [2020-10-14 06:08:49,191 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1020 transitions. Word has length 135 [2020-10-14 06:08:49,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:08:49,192 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 1020 transitions. [2020-10-14 06:08:49,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:08:49,192 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1020 transitions. [2020-10-14 06:08:49,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 06:08:49,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:08:49,205 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:08:49,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:08:49,206 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:08:49,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:08:49,206 INFO L82 PathProgramCache]: Analyzing trace with hash -276051051, now seen corresponding path program 1 times [2020-10-14 06:08:49,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:08:49,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [111495438] [2020-10-14 06:08:49,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:08:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:49,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:49,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:49,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:49,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:50,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:52,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-14 06:08:54,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:08:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 06:08:54,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:54,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:54,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 06:08:54,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:55,127 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:08:55,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:08:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:55,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:55,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:55,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:55,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:55,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 06:08:55,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:55,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:55,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:55,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:55,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 06:08:55,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:55,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:55,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:55,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:55,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:55,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:55,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:55,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:55,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:55,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:55,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:55,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:08:55,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:55,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:08:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:55,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:55,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:55,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:55,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:55,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:55,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:55,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:55,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:55,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:55,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:08:55,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:55,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:08:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:55,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:55,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:55,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:55,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:55,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:55,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:55,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:55,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:55,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:55,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:08:55,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:55,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:08:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:55,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:55,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:55,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:55,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:55,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:55,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:55,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:08:55,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:55,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:08:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:55,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:55,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:55,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:55,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:55,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:55,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:55,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:55,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:55,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:55,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:08:55,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:55,495 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:08:55,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:08:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:55,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:55,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:55,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:55,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:58,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:58,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:58,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:00,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:00,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 06:09:00,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:09:00,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 06:09:00,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:00,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:09:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:09:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:09:00,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:00,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:09:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:00,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:00,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:00,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:00,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:01,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:01,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:09:01,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:09:01,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-14 06:09:01,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:01,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:01,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:09:01,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 06:09:01,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:09:01,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:01,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:01,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:01,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:01,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:01,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:01,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:09:01,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:09:01,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:01,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:01,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:01,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:09:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:01,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:01,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:01,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 06:09:01,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 06:09:01,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:01,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:01,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:09:01,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:09:01,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:09:01,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:01,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:09:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:01,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:01,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:01,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:01,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:01,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:09:01,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:01,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:01,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:09:01,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:01,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:09:01,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:01,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:09:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:01,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:01,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:01,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:01,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:06,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:06,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 06:09:06,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:09:06,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4861 [2020-10-14 06:09:06,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:06,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 06:09:06,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:06,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:06,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:06,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:06,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:06,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:06,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 06:09:08,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:09:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2238 [2020-10-14 06:09:08,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:09:08,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:09:08,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 06:09:08,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:08,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:08,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 06:09:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:08,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:09:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:09:08,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:09:08,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 06:09:08,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:09:08,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:08,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:08,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 06:09:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:08,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 06:09:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:09:08,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:09:08,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:09:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 06:09:08,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:09:08,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 06:09:08,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:08,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:08,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:08,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:08,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:08,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:08,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:08,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:08,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:08,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:08,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:08,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:08,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:08,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:08,557 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 06:09:08,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [111495438] [2020-10-14 06:09:08,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:09:08,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:09:08,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379578841] [2020-10-14 06:09:08,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:09:08,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:09:08,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:09:08,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:09:08,563 INFO L87 Difference]: Start difference. First operand 648 states and 1020 transitions. Second operand 11 states. [2020-10-14 06:09:09,843 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-14 06:09:11,130 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-14 06:09:12,694 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:09:17,626 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 06:09:34,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:09:34,662 INFO L93 Difference]: Finished difference Result 1741 states and 3009 transitions. [2020-10-14 06:09:34,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:09:34,663 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 138 [2020-10-14 06:09:34,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:09:34,675 INFO L225 Difference]: With dead ends: 1741 [2020-10-14 06:09:34,676 INFO L226 Difference]: Without dead ends: 1176 [2020-10-14 06:09:34,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-14 06:09:34,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2020-10-14 06:09:34,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 648. [2020-10-14 06:09:34,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-10-14 06:09:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1015 transitions. [2020-10-14 06:09:34,947 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1015 transitions. Word has length 138 [2020-10-14 06:09:34,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:09:34,947 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 1015 transitions. [2020-10-14 06:09:34,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:09:34,948 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1015 transitions. [2020-10-14 06:09:34,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-14 06:09:34,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:09:34,955 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:09:34,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:09:34,955 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:09:34,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:09:34,956 INFO L82 PathProgramCache]: Analyzing trace with hash 42213765, now seen corresponding path program 1 times [2020-10-14 06:09:34,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:09:34,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065357720] [2020-10-14 06:09:34,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:09:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:35,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:35,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:35,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:35,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:36,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:36,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:37,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:39,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:39,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:40,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:40,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 06:09:40,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 06:09:40,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-14 06:09:40,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:40,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:09:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:09:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 06:09:40,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:40,850 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:09:40,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:09:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:40,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:40,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:40,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:40,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:40,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 06:09:40,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:40,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:09:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 06:09:40,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:40,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:40,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:40,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:40,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:40,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:40,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:40,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:09:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:09:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:40,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:09:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:40,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:40,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:40,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:40,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:40,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:40,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:40,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:09:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:09:40,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:40,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:09:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:40,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:40,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:40,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:40,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:40,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:40,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:40,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:40,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:09:40,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:40,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:09:40,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:40,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:09:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:40,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:40,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:40,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:40,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:40,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:40,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:40,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:09:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:09:40,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:40,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:09:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:40,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:40,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:40,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:40,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:40,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:09:40,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:40,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:40,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:09:40,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:40,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:09:40,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:41,205 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:09:41,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:09:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:41,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:41,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:41,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:41,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:41,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:41,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:45,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 06:09:46,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:09:46,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 06:09:46,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:09:46,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:09:46,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:09:46,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:09:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 06:09:46,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:09:46,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-14 06:09:46,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:09:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 06:09:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:09:46,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:46,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:09:46,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:09:46,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:09:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 06:09:46,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:09:46,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:09:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:09:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 06:09:46,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:09:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:46,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:46,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:09:46,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:09:46,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:09:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:50,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:50,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 06:09:50,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:09:50,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3938 [2020-10-14 06:09:50,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:50,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:50,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:50,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 06:09:50,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:50,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:09:50,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:50,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:50,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:50,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:51,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 06:09:52,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:09:52,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1560 [2020-10-14 06:09:52,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:52,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:09:52,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:52,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:52,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 06:09:52,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:52,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:52,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:52,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:52,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:52,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:52,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:52,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 06:09:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:52,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:52,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:52,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:52,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:09:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:09:52,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:52,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:09:52,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:52,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 06:09:52,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:52,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:52,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:52,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:52,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:52,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:52,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:52,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 06:09:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:52,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:52,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:52,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:52,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 06:09:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:09:52,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:52,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:52,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:52,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:09:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 06:09:52,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:09:52,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 06:09:52,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:52,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:52,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:52,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:52,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:52,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:52,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:52,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:52,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:52,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:52,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:52,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:52,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:52,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 06:09:52,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065357720] [2020-10-14 06:09:52,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:09:52,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:09:52,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701043853] [2020-10-14 06:09:52,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:09:52,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:09:52,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:09:52,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:09:52,449 INFO L87 Difference]: Start difference. First operand 648 states and 1015 transitions. Second operand 11 states. [2020-10-14 06:09:53,419 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-14 06:09:54,612 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-14 06:09:55,991 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:10:00,783 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 06:10:13,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:10:13,974 INFO L93 Difference]: Finished difference Result 1741 states and 3004 transitions. [2020-10-14 06:10:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:10:13,975 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2020-10-14 06:10:13,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:10:13,986 INFO L225 Difference]: With dead ends: 1741 [2020-10-14 06:10:13,986 INFO L226 Difference]: Without dead ends: 1176 [2020-10-14 06:10:13,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-14 06:10:13,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2020-10-14 06:10:14,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 648. [2020-10-14 06:10:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-10-14 06:10:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1010 transitions. [2020-10-14 06:10:14,154 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1010 transitions. Word has length 139 [2020-10-14 06:10:14,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:10:14,154 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 1010 transitions. [2020-10-14 06:10:14,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:10:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1010 transitions. [2020-10-14 06:10:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-14 06:10:14,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:10:14,160 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:10:14,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:10:14,161 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:10:14,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:10:14,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1508412421, now seen corresponding path program 1 times [2020-10-14 06:10:14,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:10:14,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397216586] [2020-10-14 06:10:14,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:10:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:14,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:14,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:14,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:14,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:14,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:16,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:17,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:18,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:18,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:19,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:19,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-14 06:10:19,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 06:10:19,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-14 06:10:19,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:19,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:19,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:10:19,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:10:19,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 06:10:19,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:20,041 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:10:20,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:10:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:20,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:20,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:20,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:20,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:20,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 06:10:20,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:20,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 06:10:20,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:20,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:10:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:20,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:20,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:20,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:10:20,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:20,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:20,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:20,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:20,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:20,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:10:20,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:20,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:10:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:20,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:20,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:20,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:10:20,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:20,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:20,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:20,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:10:20,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:20,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:10:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:20,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:20,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:20,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:20,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:10:20,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:20,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:10:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:20,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:10:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:20,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:20,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:20,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:10:20,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:10:20,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:20,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:10:20,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:20,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:10:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:20,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:20,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:20,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:20,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:20,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:10:20,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:20,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:10:20,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:20,363 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:10:20,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:10:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:20,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:20,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:20,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:20,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:20,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:20,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:25,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:25,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 06:10:25,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:10:25,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 06:10:25,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:25,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:10:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 06:10:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:10:25,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:25,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:10:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:25,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:25,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:25,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:25,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:25,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:25,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 06:10:25,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:10:25,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 464 [2020-10-14 06:10:25,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:25,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:25,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:10:25,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:10:25,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:10:25,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:25,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:25,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:25,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:25,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:25,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:10:25,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:10:25,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:10:25,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:25,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:25,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:25,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:10:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:25,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:25,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:25,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:10:25,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:25,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:10:25,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:25,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:10:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 06:10:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:10:25,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:26,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:10:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:26,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:26,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:26,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:10:26,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:26,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:10:26,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:26,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:26,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:10:26,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:10:26,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:10:26,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:26,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 06:10:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:26,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:26,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:26,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:26,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:28,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:28,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 06:10:28,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:10:28,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2621 [2020-10-14 06:10:28,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:28,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 06:10:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:28,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:28,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:28,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:28,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:28,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:29,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:29,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:29,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 06:10:29,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:10:29,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1244 [2020-10-14 06:10:29,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:29,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:29,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:29,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:29,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:29,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:29,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:10:29,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:29,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:10:29,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:29,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:29,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:29,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:29,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:29,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:29,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 06:10:29,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:10:29,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:29,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:29,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:29,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:29,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:29,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:10:29,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:29,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:29,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:29,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:29,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:10:29,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 06:10:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:29,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:29,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:29,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:29,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:29,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:29,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:29,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:29,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:29,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:29,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:29,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:10:30,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:10:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:30,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:30,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:30,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:10:30,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:10:30,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:30,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:30,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:30,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:30,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:30,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:30,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:30,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:30,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 06:10:30,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:30,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:10:30,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:30,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:30,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:30,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:30,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:30,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:30,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:10:30,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:30,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:30,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:30,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:10:30,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 06:10:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:30,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:30,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:30,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:30,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:30,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:30,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:30,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:30,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:30,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:30,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:30,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:30,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 06:10:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:30,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:30,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:30,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:10:30,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:30,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:10:30,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:30,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:30,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:30,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:10:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:30,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:30,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:30,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:30,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 06:10:30,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:10:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:10:30,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:30,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:30,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:10:30,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:30,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:30,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:30,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:30,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:30,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:30,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:30,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:30,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:30,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:10:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:30,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:30,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:30,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:10:30,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:30,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:30,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 06:10:30,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397216586] [2020-10-14 06:10:30,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:10:30,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:10:30,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617292411] [2020-10-14 06:10:30,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:10:30,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:10:30,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:10:30,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:10:30,166 INFO L87 Difference]: Start difference. First operand 648 states and 1010 transitions. Second operand 12 states. [2020-10-14 06:10:31,263 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-14 06:10:32,509 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 06:10:33,520 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-14 06:10:34,728 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:10:39,580 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 06:10:53,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:10:53,394 INFO L93 Difference]: Finished difference Result 1748 states and 3011 transitions. [2020-10-14 06:10:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 06:10:53,396 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 140 [2020-10-14 06:10:53,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:10:53,406 INFO L225 Difference]: With dead ends: 1748 [2020-10-14 06:10:53,406 INFO L226 Difference]: Without dead ends: 1186 [2020-10-14 06:10:53,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=230, Invalid=640, Unknown=0, NotChecked=0, Total=870 [2020-10-14 06:10:53,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2020-10-14 06:10:53,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 651. [2020-10-14 06:10:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-14 06:10:53,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1014 transitions. [2020-10-14 06:10:53,603 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1014 transitions. Word has length 140 [2020-10-14 06:10:53,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:10:53,603 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 1014 transitions. [2020-10-14 06:10:53,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:10:53,604 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1014 transitions. [2020-10-14 06:10:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-14 06:10:53,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:10:53,608 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:10:53,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:10:53,608 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:10:53,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:10:53,609 INFO L82 PathProgramCache]: Analyzing trace with hash -398876582, now seen corresponding path program 1 times [2020-10-14 06:10:53,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:10:53,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370343881] [2020-10-14 06:10:53,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:10:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:53,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:53,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:53,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:53,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:53,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:55,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:56,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:56,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:57,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:58,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:58,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-14 06:10:58,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 06:10:58,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 06:10:58,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:58,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:58,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:10:58,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:10:58,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 06:10:58,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:59,465 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:10:59,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:10:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:59,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:59,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:59,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:59,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:59,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 06:10:59,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:59,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:59,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:59,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 06:10:59,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:59,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:10:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:59,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:59,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:59,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:10:59,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:59,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:59,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:59,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:59,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:59,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:59,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:10:59,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:59,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:10:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:59,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:59,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:59,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:10:59,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:59,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:59,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:59,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:10:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:59,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:10:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:59,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:59,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:59,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:59,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:59,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:59,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:10:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:59,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:10:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:59,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:59,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:59,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:10:59,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:59,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:59,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:59,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:10:59,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:59,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:10:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:59,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:59,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:59,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:59,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:59,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:10:59,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:59,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:59,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:10:59,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:59,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:10:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:10:59,796 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:10:59,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:10:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:59,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:59,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:59,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:59,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:02,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:02,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:02,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:04,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:04,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 06:11:04,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:11:04,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 06:11:04,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:04,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:04,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:11:04,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:11:04,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:11:04,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:04,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:11:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:04,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:04,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:04,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:04,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:05,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:05,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 06:11:05,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:11:05,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-14 06:11:05,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:05,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:05,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:11:05,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 06:11:05,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:11:05,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:05,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:11:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:05,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:05,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:05,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:05,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:11:05,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:11:05,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:11:05,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:05,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:05,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:05,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:05,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:05,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:05,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:11:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:05,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:05,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:05,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:11:05,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:05,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:11:05,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:05,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:05,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:11:05,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:11:05,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:11:05,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:05,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:11:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:05,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:05,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:05,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:11:05,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:05,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:11:05,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:05,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:05,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:11:05,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:11:05,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:05,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 06:11:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:05,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:05,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:05,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:05,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:07,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:07,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 06:11:07,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:11:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2690 [2020-10-14 06:11:07,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:07,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 06:11:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:07,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:11:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:08,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:08,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:08,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:08,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 06:11:09,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:11:09,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1400 [2020-10-14 06:11:09,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:09,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:11:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:11:09,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:09,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:11:09,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:09,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:11:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 06:11:09,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:09,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:11:09,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:11:09,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:11:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:11:09,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:09,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:11:09,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:11:09,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 06:11:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:11:09,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:09,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:11:09,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:11:09,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:11:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:11:09,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:09,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:11:09,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:09,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:11:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 06:11:09,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:09,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:11:09,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:11:09,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:11:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:11:09,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:09,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:11:09,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:11:09,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 06:11:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:11:09,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:09,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:11:09,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:11:09,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 06:11:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:11:09,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:09,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:11:09,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:11:09,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:11:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 06:11:09,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:11:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 06:11:09,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:11:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:11:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:11:09,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:09,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:11:09,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:11:09,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:11:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:09,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:09,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:09,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:11:09,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:09,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:11:09,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:09,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:11:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:11:09,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:11:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 06:11:09,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370343881] [2020-10-14 06:11:09,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:11:09,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:11:09,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955045183] [2020-10-14 06:11:09,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:11:09,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:11:09,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:11:09,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:11:09,592 INFO L87 Difference]: Start difference. First operand 651 states and 1014 transitions. Second operand 11 states. [2020-10-14 06:11:10,601 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-14 06:11:11,802 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-14 06:11:13,260 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:11:18,209 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 06:11:31,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:11:31,979 INFO L93 Difference]: Finished difference Result 1746 states and 3012 transitions. [2020-10-14 06:11:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:11:31,980 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 140 [2020-10-14 06:11:31,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:11:31,989 INFO L225 Difference]: With dead ends: 1746 [2020-10-14 06:11:31,990 INFO L226 Difference]: Without dead ends: 1180 [2020-10-14 06:11:31,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-14 06:11:31,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2020-10-14 06:11:32,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 651. [2020-10-14 06:11:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-14 06:11:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1009 transitions. [2020-10-14 06:11:32,229 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1009 transitions. Word has length 140 [2020-10-14 06:11:32,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:11:32,232 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 1009 transitions. [2020-10-14 06:11:32,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:11:32,232 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1009 transitions. [2020-10-14 06:11:32,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-14 06:11:32,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:11:32,237 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:11:32,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:11:32,238 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:11:32,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:11:32,238 INFO L82 PathProgramCache]: Analyzing trace with hash -126778155, now seen corresponding path program 1 times [2020-10-14 06:11:32,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:11:32,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263857136] [2020-10-14 06:11:32,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:11:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:32,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:32,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:32,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:32,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:32,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:33,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:37,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:37,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-14 06:11:37,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:11:37,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 06:11:37,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:37,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:11:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:11:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 06:11:37,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:38,089 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:11:38,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:11:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:38,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:38,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:38,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:11:38,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:38,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 06:11:38,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:38,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:38,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:11:38,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:38,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 06:11:38,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:38,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:11:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:38,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:38,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:38,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:11:38,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:38,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:11:38,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:38,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:11:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:11:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:38,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:11:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:38,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:38,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:38,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:11:38,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:38,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:11:38,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:38,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:11:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:11:38,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:38,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:11:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:38,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:38,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:38,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:11:38,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:38,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:11:38,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:38,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:11:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:11:38,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:38,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:11:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:38,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:38,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:38,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:11:38,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:38,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:11:38,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:38,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:38,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:11:38,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:38,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:11:38,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:38,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:11:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:38,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:38,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:11:38,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:11:38,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:11:38,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:11:38,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:11:38,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:11:38,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:11:38,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:11:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:11:38,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:11:38,404 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:11:38,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:11:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:11:38,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:38,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:38,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:38,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:38,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:11:38,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking...