/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:22:51,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:22:51,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:22:51,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:22:51,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:22:51,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:22:51,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:22:51,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:22:51,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:22:51,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:22:51,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:22:51,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:22:51,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:22:51,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:22:51,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:22:51,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:22:51,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:22:51,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:22:51,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:22:51,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:22:51,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:22:51,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:22:51,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:22:51,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:22:51,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:22:51,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:22:51,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:22:51,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:22:51,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:22:51,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:22:51,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:22:51,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:22:51,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:22:51,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:22:51,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:22:51,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:22:51,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:22:51,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:22:51,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:22:51,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:22:51,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:22:51,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 11:22:51,551 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:22:51,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:22:51,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:22:51,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:22:51,554 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:22:51,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:22:51,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:22:51,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:22:51,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:22:51,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:22:51,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:22:51,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:22:51,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:22:51,557 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:22:51,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:22:51,557 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:22:51,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:22:51,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:22:51,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:22:51,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:22:51,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:22:51,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:22:51,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:22:51,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:22:51,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:22:51,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:22:51,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:22:51,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:22:51,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:22:51,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:22:51,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:22:51,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:22:51,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:22:51,921 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:22:51,921 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:22:51,922 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product18.cil.c [2020-10-13 11:22:51,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75628c157/c6d16d2b52e54d30af8b33ac47a7e03a/FLAGa4f53ec18 [2020-10-13 11:22:52,634 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:22:52,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product18.cil.c [2020-10-13 11:22:52,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75628c157/c6d16d2b52e54d30af8b33ac47a7e03a/FLAGa4f53ec18 [2020-10-13 11:22:52,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75628c157/c6d16d2b52e54d30af8b33ac47a7e03a [2020-10-13 11:22:52,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:22:52,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:22:52,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:22:52,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:22:52,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:22:52,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:22:52" (1/1) ... [2020-10-13 11:22:52,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35272ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:22:52, skipping insertion in model container [2020-10-13 11:22:52,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:22:52" (1/1) ... [2020-10-13 11:22:52,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:22:52,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:22:53,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:22:53,551 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:22:53,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:22:53,802 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:22:53,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:22:53 WrapperNode [2020-10-13 11:22:53,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:22:53,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:22:53,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:22:53,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:22:53,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:22:53" (1/1) ... [2020-10-13 11:22:53,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:22:53" (1/1) ... [2020-10-13 11:22:53,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:22:53" (1/1) ... [2020-10-13 11:22:53,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:22:53" (1/1) ... [2020-10-13 11:22:53,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:22:53" (1/1) ... [2020-10-13 11:22:53,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:22:53" (1/1) ... [2020-10-13 11:22:53,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:22:53" (1/1) ... [2020-10-13 11:22:53,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:22:53,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:22:53,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:22:53,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:22:53,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:22:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:22:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:22:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:22:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:22:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:22:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:22:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:22:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:22:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:22:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:22:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:22:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:22:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:22:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:22:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:22:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:22:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:22:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:22:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:22:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 11:22:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-13 11:22:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-13 11:22:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-13 11:22:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:22:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:22:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:22:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:22:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:22:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:22:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:22:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:22:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:22:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:22:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:22:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:22:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:22:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:22:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:22:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:22:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:22:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:22:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:22:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:22:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:22:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:22:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2020-10-13 11:22:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:22:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight [2020-10-13 11:22:54,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:22:54,067 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:22:54,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:22:54,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:22:54,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:22:54,068 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:22:54,068 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:22:54,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:22:54,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:22:54,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:22:54,068 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:22:54,069 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:22:54,069 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:22:54,069 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:22:54,069 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:22:54,069 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:22:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:22:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:22:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:22:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:22:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:22:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:22:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:22:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:22:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:22:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:22:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:22:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:22:54,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:22:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:22:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:22:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:22:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:22:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:22:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:22:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:22:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:22:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:22:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:22:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:22:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-13 11:22:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:22:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:22:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:22:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:22:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:22:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:22:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:22:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:22:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:22:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:22:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:22:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:22:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:22:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:22:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:22:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:22:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:22:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:22:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:22:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 11:22:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-13 11:22:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-13 11:22:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:22:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:22:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:22:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:22:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:22:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:22:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:22:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:22:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:22:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:22:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:22:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:22:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:22:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:22:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:22:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:22:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:22:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:22:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:22:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:22:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:22:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:22:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:22:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:22:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:22:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2020-10-13 11:22:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__weight [2020-10-13 11:22:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:22:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:22:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:22:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:22:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:22:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:22:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:22:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:22:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:22:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:22:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:22:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:22:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:22:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:22:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:22:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:22:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:22:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:22:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:22:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:22:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:22:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:22:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:22:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:22:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:22:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:22:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:22:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:22:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:22:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:22:56,425 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:22:56,425 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:22:56,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:22:56 BoogieIcfgContainer [2020-10-13 11:22:56,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:22:56,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:22:56,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:22:56,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:22:56,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:22:52" (1/3) ... [2020-10-13 11:22:56,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10af0621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:22:56, skipping insertion in model container [2020-10-13 11:22:56,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:22:53" (2/3) ... [2020-10-13 11:22:56,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10af0621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:22:56, skipping insertion in model container [2020-10-13 11:22:56,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:22:56" (3/3) ... [2020-10-13 11:22:56,444 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product18.cil.c [2020-10-13 11:22:56,457 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:22:56,467 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:22:56,484 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:22:56,511 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:22:56,511 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:22:56,511 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:22:56,512 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:22:56,512 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:22:56,512 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:22:56,512 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:22:56,512 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:22:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states. [2020-10-13 11:22:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 11:22:56,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:22:56,568 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:22:56,569 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:22:56,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:22:56,576 INFO L82 PathProgramCache]: Analyzing trace with hash 126544023, now seen corresponding path program 1 times [2020-10-13 11:22:56,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:22:56,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850046572] [2020-10-13 11:22:56,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:22:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:57,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:57,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:57,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:57,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:58,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:58,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:59,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:02,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:02,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 11:23:02,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:23:02,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-13 11:23:02,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:02,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:02,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:23:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:23:02,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:23:03,137 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:23:03,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:23:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:03,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:03,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:03,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:03,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 11:23:03,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:03,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:03,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:03,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:03,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:03,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:23:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:03,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:03,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:23:03,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:03,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:23:03,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:03,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:03,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:03,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:03,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:03,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:23:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:03,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:03,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:23:03,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:23:03,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:03,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:03,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:23:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:03,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:03,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:03,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:03,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:23:03,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:03,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:03,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:23:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:03,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:03,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:23:03,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:03,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:23:03,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:03,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:03,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:23:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:03,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:03,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:03,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:03,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:23:03,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:03,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:03,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:03,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:03,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:23:03,503 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:23:03,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:23:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:03,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:03,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:08,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:08,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 11:23:08,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:23:08,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:23:08,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 11:23:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:23:08,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:08,746 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:23:08,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:23:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:08,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:08,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:08,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:08,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:08,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:08,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:09,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:09,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 11:23:09,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:23:09,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1142 [2020-10-13 11:23:09,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:09,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:23:09,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:09,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:09,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:09,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:09,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:23:09,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:23:09,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:23:09,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:09,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:09,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:23:09,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:23:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:09,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:09,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:09,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:09,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:23:09,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:23:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:23:09,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:10,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:23:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:10,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:10,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:10,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:23:10,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:10,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:23:10,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:10,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:23:10,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:10,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:10,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:10,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:23:10,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:10,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:23:10,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:10,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:23:10,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:23:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:10,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:10,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:10,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:10,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:10,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:11,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 11:23:11,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:23:11,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 961 [2020-10-13 11:23:11,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:11,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:11,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:23:11,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:23:11,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:11,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:11,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:11,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:23:11,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:11,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:23:11,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:11,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:11,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:23:11,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:23:11,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:11,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:23:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:11,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:11,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:23:11,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:23:11,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 11:23:11,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:23:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:11,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:11,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:23:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:11,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:11,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:23:11,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:11,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:23:11,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:11,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:11,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:11,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:11,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:11,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:11,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:23:11,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:11,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:11,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:11,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:11,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:11,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:23:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:11,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:11,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:23:11,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:23:11,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 11:23:11,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 11:23:11,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:11,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:11,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:11,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:11,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:23:11,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:11,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:23:11,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:11,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:11,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:11,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:11,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:11,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:11,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:11,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:11,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:11,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:23:11,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:11,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:11,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:11,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:11,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:11,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:23:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:11,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:11,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:23:11,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:11,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:23:11,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:11,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:11,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:11,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:11,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:11,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:11,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:11,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:11,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:11,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:11,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:11,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:11,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:11,388 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:23:11,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850046572] [2020-10-13 11:23:11,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:23:11,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:23:11,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374444171] [2020-10-13 11:23:11,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:23:11,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:23:11,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:23:11,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:23:11,411 INFO L87 Difference]: Start difference. First operand 759 states. Second operand 9 states. [2020-10-13 11:23:13,025 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:23:13,761 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:23:29,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:23:29,870 INFO L93 Difference]: Finished difference Result 1461 states and 2470 transitions. [2020-10-13 11:23:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:23:29,872 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-10-13 11:23:29,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:23:29,904 INFO L225 Difference]: With dead ends: 1461 [2020-10-13 11:23:29,904 INFO L226 Difference]: Without dead ends: 868 [2020-10-13 11:23:29,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:23:29,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-10-13 11:23:30,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 598. [2020-10-13 11:23:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 11:23:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 959 transitions. [2020-10-13 11:23:30,183 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 959 transitions. Word has length 116 [2020-10-13 11:23:30,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:23:30,183 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 959 transitions. [2020-10-13 11:23:30,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:23:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 959 transitions. [2020-10-13 11:23:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 11:23:30,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:23:30,192 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:23:30,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:23:30,193 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:23:30,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:23:30,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1248298604, now seen corresponding path program 1 times [2020-10-13 11:23:30,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:23:30,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130450978] [2020-10-13 11:23:30,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:23:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:30,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:30,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:30,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:30,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:30,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:31,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:32,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:32,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:35,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:35,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 11:23:35,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:23:35,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-13 11:23:35,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:35,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:35,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:23:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:23:35,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:36,160 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:23:36,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:23:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:36,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:36,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:36,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:36,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:23:36,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:36,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:36,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:36,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:36,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:36,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:23:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:36,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:36,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:23:36,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:36,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:36,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:36,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:36,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:36,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:36,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:23:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:36,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:36,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:23:36,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:36,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:36,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:36,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:36,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:23:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:36,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:36,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:36,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:36,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:36,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:36,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:36,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:23:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:36,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:36,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:23:36,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:36,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:36,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:36,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:36,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:23:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:36,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:36,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:36,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:36,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:36,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:36,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:36,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:36,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:23:36,469 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:23:36,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:23:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:36,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:36,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:37,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:39,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:39,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:41,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:41,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 11:23:41,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:23:41,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:23:41,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:23:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:23:41,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:41,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:23:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:41,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:41,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:41,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:41,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:41,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:42,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:23:42,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:23:42,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-13 11:23:42,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:23:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:23:42,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:42,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:42,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:42,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:23:42,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:23:42,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:23:42,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:42,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:42,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:42,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:42,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:42,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:23:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:42,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:42,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:23:42,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:23:42,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:23:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 11:23:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:42,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:23:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:42,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:42,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:23:42,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:42,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:23:42,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:42,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:23:42,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:42,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:23:42,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:42,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:42,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:42,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:23:42,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:42,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:42,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:42,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:42,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:42,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:42,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 11:23:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:42,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:42,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:23:42,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:23:42,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 658 [2020-10-13 11:23:42,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 11:23:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:42,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:42,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:42,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:42,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:23:42,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:23:42,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:23:42,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:42,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:42,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:42,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:23:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:42,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:42,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:23:42,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:23:42,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:23:42,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:42,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:42,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:23:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:42,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:42,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:23:42,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:42,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:23:42,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:42,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:42,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:42,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:42,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:42,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:42,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:42,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:23:42,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:42,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:42,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:42,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:42,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 11:23:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:43,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:43,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:43,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:23:43,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:43,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:23:43,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:23:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:43,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:43,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:43,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:43,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:43,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:23:43,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:23:43,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:43,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:43,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:43,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:43,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:43,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:43,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:43,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:43,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:43,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:23:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:43,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:43,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:43,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:23:43,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:43,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:23:43,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:43,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:43,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:43,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:43,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:43,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:43,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:43,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:43,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:43,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:43,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:43,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:43,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-13 11:23:43,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130450978] [2020-10-13 11:23:43,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:23:43,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:23:43,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066871393] [2020-10-13 11:23:43,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:23:43,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:23:43,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:23:43,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:23:43,176 INFO L87 Difference]: Start difference. First operand 598 states and 959 transitions. Second operand 9 states. [2020-10-13 11:23:44,652 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:24:01,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:24:01,364 INFO L93 Difference]: Finished difference Result 1441 states and 2425 transitions. [2020-10-13 11:24:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:24:01,365 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-13 11:24:01,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:24:01,380 INFO L225 Difference]: With dead ends: 1441 [2020-10-13 11:24:01,380 INFO L226 Difference]: Without dead ends: 868 [2020-10-13 11:24:01,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:24:01,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-10-13 11:24:01,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 598. [2020-10-13 11:24:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 11:24:01,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 954 transitions. [2020-10-13 11:24:01,614 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 954 transitions. Word has length 120 [2020-10-13 11:24:01,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:24:01,615 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 954 transitions. [2020-10-13 11:24:01,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:24:01,615 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 954 transitions. [2020-10-13 11:24:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 11:24:01,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:24:01,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:24:01,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:24:01,619 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:24:01,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:24:01,620 INFO L82 PathProgramCache]: Analyzing trace with hash -664275614, now seen corresponding path program 1 times [2020-10-13 11:24:01,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:24:01,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956424398] [2020-10-13 11:24:01,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:24:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:01,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:01,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:01,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:01,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:01,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:02,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:02,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:03,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:06,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:06,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 11:24:06,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:24:06,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:24:06,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:24:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:24:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:07,717 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:24:07,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:07,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:07,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:07,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:07,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:07,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 11:24:07,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:07,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:07,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:07,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:07,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:07,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:24:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:07,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:07,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:07,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:07,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:07,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:07,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:07,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:24:07,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:24:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:07,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:07,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:07,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:07,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:07,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:07,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:07,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:07,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:07,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:24:07,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:24:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:07,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:07,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:07,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:07,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:07,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:07,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:24:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:07,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:07,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:07,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:07,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:07,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:07,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:07,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:07,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:24:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:07,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:07,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:07,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:07,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:07,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:24:07,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:07,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:07,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:07,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:07,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:08,017 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:24:08,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:24:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:08,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:08,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:08,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:08,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:08,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:08,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:08,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:08,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:09,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:09,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:13,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 11:24:13,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:24:13,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:24:13,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:13,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:13,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-13 11:24:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:24:13,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:13,187 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:24:13,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:13,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:13,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 11:24:13,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:24:13,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-10-13 11:24:13,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:13,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:13,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:13,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:13,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:24:13,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:24:13,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:13,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:13,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:24:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:13,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:13,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:24:13,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:24:13,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:24:13,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:13,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:13,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:13,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:13,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:13,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:24:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:13,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:13,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:24:13,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:13,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:13,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:13,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:13,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:13,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:13,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:13,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:13,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:13,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:13,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:13,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 11:24:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:13,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:13,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:14,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 11:24:14,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:24:14,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-13 11:24:14,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:24:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:24:14,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:14,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:14,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:14,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:24:14,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:14,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:14,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:24:14,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:24:14,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:14,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:24:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:14,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:14,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:24:14,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:24:14,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:24:14,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 11:24:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:14,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:14,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:24:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:14,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:14,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:24:14,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:14,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:14,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:14,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:14,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:14,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:14,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:14,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:14,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:14,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:14,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:14,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:14,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:14,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:14,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:24:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:14,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:14,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:24:14,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:14,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:24:14,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:14,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:14,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:24:14,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:14,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:14,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:14,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:14,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:24:14,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:14,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:24:14,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:14,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:14,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:14,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:14,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:14,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:14,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:14,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:14,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:14,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:14,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:14,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:24:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:14,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:14,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:24:14,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:14,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:14,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:14,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:14,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:14,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:14,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:14,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:14,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:14,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:14,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:24:14,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956424398] [2020-10-13 11:24:14,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:24:14,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:24:14,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485786302] [2020-10-13 11:24:14,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:24:14,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:24:14,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:24:14,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:24:14,507 INFO L87 Difference]: Start difference. First operand 598 states and 954 transitions. Second operand 9 states. [2020-10-13 11:24:15,770 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:24:16,568 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:24:29,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:24:29,490 INFO L93 Difference]: Finished difference Result 1438 states and 2408 transitions. [2020-10-13 11:24:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:24:29,490 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-10-13 11:24:29,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:24:29,499 INFO L225 Difference]: With dead ends: 1438 [2020-10-13 11:24:29,499 INFO L226 Difference]: Without dead ends: 868 [2020-10-13 11:24:29,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:24:29,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-10-13 11:24:29,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 598. [2020-10-13 11:24:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 11:24:29,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 953 transitions. [2020-10-13 11:24:29,617 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 953 transitions. Word has length 122 [2020-10-13 11:24:29,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:24:29,617 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 953 transitions. [2020-10-13 11:24:29,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:24:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 953 transitions. [2020-10-13 11:24:29,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 11:24:29,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:24:29,620 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:24:29,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:24:29,621 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:24:29,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:24:29,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1316464160, now seen corresponding path program 1 times [2020-10-13 11:24:29,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:24:29,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575137668] [2020-10-13 11:24:29,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:24:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:29,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:30,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:30,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:34,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:34,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 11:24:34,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:24:34,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-13 11:24:34,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:24:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:24:34,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:35,524 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:24:35,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:35,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:35,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:35,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:35,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:35,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 11:24:35,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:35,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:35,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:35,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:35,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:35,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:24:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:35,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:35,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:35,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:35,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:35,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:35,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:35,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:35,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:24:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:35,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:35,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:35,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:35,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:35,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:35,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:35,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:24:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:35,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:35,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:35,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:35,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:35,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:35,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:35,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:35,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:24:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:35,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:35,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:35,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:35,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:35,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:24:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:35,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:35,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:35,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:35,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:35,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:35,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:35,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:35,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:35,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:35,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:35,821 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:24:35,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:24:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:35,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:35,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:35,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:35,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:35,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:35,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:36,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:36,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:36,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 11:24:40,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:24:40,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 11:24:40,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:24:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:24:40,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:24:41,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:24:41,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 527 [2020-10-13 11:24:41,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:24:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:24:41,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:24:41,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:41,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:41,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:24:41,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:24:41,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:24:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:24:41,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:24:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:24:41,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 11:24:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:24:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:24:41,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:41,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:41,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:41,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 11:24:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:24:41,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:24:41,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-13 11:24:41,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 11:24:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:24:41,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:41,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:24:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:24:41,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:24:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:24:41,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:24:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:24:41,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:41,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:41,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:41,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 11:24:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:24:41,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:24:41,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:24:41,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:24:41,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:24:41,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:41,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:41,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:24:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:24:41,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:41,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:41,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:41,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:24:42,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575137668] [2020-10-13 11:24:42,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:24:42,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:24:42,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916650753] [2020-10-13 11:24:42,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:24:42,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:24:42,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:24:42,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:24:42,016 INFO L87 Difference]: Start difference. First operand 598 states and 953 transitions. Second operand 9 states. [2020-10-13 11:24:43,300 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:24:44,055 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:24:45,657 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:24:57,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:24:57,795 INFO L93 Difference]: Finished difference Result 1445 states and 2412 transitions. [2020-10-13 11:24:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 11:24:57,796 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-13 11:24:57,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:24:57,806 INFO L225 Difference]: With dead ends: 1445 [2020-10-13 11:24:57,807 INFO L226 Difference]: Without dead ends: 877 [2020-10-13 11:24:57,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:24:57,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-13 11:24:57,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 607. [2020-10-13 11:24:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-10-13 11:24:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 965 transitions. [2020-10-13 11:24:57,994 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 965 transitions. Word has length 124 [2020-10-13 11:24:57,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:24:57,995 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 965 transitions. [2020-10-13 11:24:57,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:24:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 965 transitions. [2020-10-13 11:24:57,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 11:24:57,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:24:57,999 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:24:57,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:24:57,999 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:24:57,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:24:58,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1002728169, now seen corresponding path program 1 times [2020-10-13 11:24:58,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:24:58,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354029957] [2020-10-13 11:24:58,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:24:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:58,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:58,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:58,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:58,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:58,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:58,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:01,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:02,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:03,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:03,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 11:25:03,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:25:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 11:25:03,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-13 11:25:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:25:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:03,850 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:25:03,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:03,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:03,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:03,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:03,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:25:03,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:03,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:03,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:03,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:03,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:25:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:03,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:03,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:03,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:03,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:03,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:03,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:03,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:03,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:03,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:03,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:25:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:03,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:03,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:03,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:03,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:03,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:03,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:03,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:03,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:03,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:03,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:03,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:25:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:03,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:03,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:03,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:03,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:03,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:03,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:03,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:25:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:03,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:03,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:03,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:03,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:03,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:03,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:03,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:03,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:03,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:03,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:25:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:03,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:03,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:03,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:03,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:03,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:03,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:03,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:03,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:03,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:03,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:04,135 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:25:04,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:25:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:04,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:04,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:04,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:04,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:04,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:04,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:04,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:05,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:05,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:09,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 11:25:09,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:25:09,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:25:09,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:09,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:09,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 11:25:09,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:25:09,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:09,288 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:25:09,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:09,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:09,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:25:09,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:25:09,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 512 [2020-10-13 11:25:09,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:09,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:09,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:25:09,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:25:09,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:09,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:09,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:09,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:25:09,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:09,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:25:09,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:09,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:09,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:09,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:09,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:09,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:25:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:09,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:09,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:25:09,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:09,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:25:09,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:25:09,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 11:25:09,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:09,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:25:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:09,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:09,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:09,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:09,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:25:09,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:25:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:25:09,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:09,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:09,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:09,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:09,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:09,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:09,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:09,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:09,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:09,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:25:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:09,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:09,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:10,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:25:10,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:25:10,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-13 11:25:10,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:10,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:10,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 11:25:10,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:10,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:10,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:10,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:10,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:25:10,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:10,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:10,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:10,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:10,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:25:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:10,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:10,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:25:10,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:10,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:25:10,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:10,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:10,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:25:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:10,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:10,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:10,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:10,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:10,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:10,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:10,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:10,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:10,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:10,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:10,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:10,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:10,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 11:25:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:10,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:10,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:25:10,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:10,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:25:10,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:10,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:10,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:25:10,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:10,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:10,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:10,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:10,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:25:10,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:10,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:25:10,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:10,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:10,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:10,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:10,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:10,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:10,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:10,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:10,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:10,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:10,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:10,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:10,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:10,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:25:10,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:10,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:10,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:10,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:10,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:10,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:10,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:10,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:10,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:10,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:10,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:10,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:10,396 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:25:10,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354029957] [2020-10-13 11:25:10,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:25:10,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:25:10,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901931793] [2020-10-13 11:25:10,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:25:10,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:25:10,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:25:10,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:25:10,398 INFO L87 Difference]: Start difference. First operand 607 states and 965 transitions. Second operand 9 states. [2020-10-13 11:25:12,126 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:25:27,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:25:27,515 INFO L93 Difference]: Finished difference Result 1450 states and 2425 transitions. [2020-10-13 11:25:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:25:27,516 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 125 [2020-10-13 11:25:27,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:25:27,525 INFO L225 Difference]: With dead ends: 1450 [2020-10-13 11:25:27,525 INFO L226 Difference]: Without dead ends: 877 [2020-10-13 11:25:27,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:25:27,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-13 11:25:27,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 607. [2020-10-13 11:25:27,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-10-13 11:25:27,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 960 transitions. [2020-10-13 11:25:27,672 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 960 transitions. Word has length 125 [2020-10-13 11:25:27,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:25:27,672 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 960 transitions. [2020-10-13 11:25:27,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:25:27,673 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 960 transitions. [2020-10-13 11:25:27,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 11:25:27,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:25:27,676 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:25:27,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:25:27,676 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:25:27,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:25:27,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1538673553, now seen corresponding path program 1 times [2020-10-13 11:25:27,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:25:27,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734104067] [2020-10-13 11:25:27,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:25:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:27,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:28,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:29,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 11:25:32,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:25:32,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-13 11:25:32,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:25:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:25:32,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:33,516 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:25:33,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:33,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:33,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:33,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:33,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 11:25:33,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:33,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:33,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:25:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:33,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:33,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:33,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:33,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:33,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:33,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:33,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:33,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:33,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:33,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:25:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:33,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:33,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:33,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:33,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:33,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:33,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:33,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:33,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:25:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:33,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:33,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:33,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:33,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:33,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:33,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:25:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:33,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:33,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:33,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:33,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:33,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:33,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:33,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:33,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:33,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:33,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:25:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:33,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:33,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:33,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:33,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:33,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:33,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:33,795 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:25:33,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:25:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:33,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:35,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:35,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:38,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:38,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 11:25:38,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:25:38,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:25:38,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 11:25:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:25:38,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:38,945 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:25:38,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:38,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:38,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:38,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:38,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:25:39,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:25:39,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-10-13 11:25:39,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:25:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:25:39,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:25:39,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:39,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:39,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:25:39,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:25:39,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:25:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:25:39,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:39,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:25:39,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:25:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:25:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:39,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:25:39,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:39,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:39,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:39,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:39,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:25:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:25:39,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:25:39,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-13 11:25:39,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:25:39,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:25:39,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:39,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:25:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:25:39,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:25:39,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:39,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:25:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:39,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:39,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:39,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:39,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 11:25:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:25:39,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:25:39,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:25:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:25:39,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:25:39,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:39,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:39,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:39,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:39,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:25:39,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:39,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:39,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:39,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:39,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:39,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,826 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:25:39,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734104067] [2020-10-13 11:25:39,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:25:39,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:25:39,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764448021] [2020-10-13 11:25:39,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:25:39,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:25:39,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:25:39,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:25:39,828 INFO L87 Difference]: Start difference. First operand 607 states and 960 transitions. Second operand 9 states. [2020-10-13 11:25:41,116 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:25:41,865 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:25:43,371 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:25:55,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:25:55,993 INFO L93 Difference]: Finished difference Result 1447 states and 2403 transitions. [2020-10-13 11:25:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 11:25:55,994 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 127 [2020-10-13 11:25:55,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:25:56,001 INFO L225 Difference]: With dead ends: 1447 [2020-10-13 11:25:56,001 INFO L226 Difference]: Without dead ends: 877 [2020-10-13 11:25:56,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:25:56,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-13 11:25:56,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 607. [2020-10-13 11:25:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-10-13 11:25:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 959 transitions. [2020-10-13 11:25:56,156 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 959 transitions. Word has length 127 [2020-10-13 11:25:56,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:25:56,157 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 959 transitions. [2020-10-13 11:25:56,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:25:56,157 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 959 transitions. [2020-10-13 11:25:56,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 11:25:56,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:25:56,160 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:25:56,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:25:56,160 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:25:56,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:25:56,161 INFO L82 PathProgramCache]: Analyzing trace with hash -888416212, now seen corresponding path program 1 times [2020-10-13 11:25:56,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:25:56,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167479304] [2020-10-13 11:25:56,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:25:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:56,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:56,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:56,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:56,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:56,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:57,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:01,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:01,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 11:26:01,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:26:01,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:26:01,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:26:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:26:01,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:01,948 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:26:01,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:01,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:01,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:01,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:01,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:01,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:26:01,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:01,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:01,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:26:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:01,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:01,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:01,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:01,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:01,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:01,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:01,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:01,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:01,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:01,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:01,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:01,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:01,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:01,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:01,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:01,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:26:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:01,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:02,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:02,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:02,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:02,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:02,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:02,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:02,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:26:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:02,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:02,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:02,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:02,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:02,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:02,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:02,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:02,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:26:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:02,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:02,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:02,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:02,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:02,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:02,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:02,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:02,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:02,217 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:26:02,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:26:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:02,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:02,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:02,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:02,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:02,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 11:26:07,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:26:07,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:26:07,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:07,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 11:26:07,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:26:07,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,373 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:26:07,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 11:26:07,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:07,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 11:26:07,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:26:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:26:07,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 11:26:07,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:07,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:26:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:26:07,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:26:07,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:07,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:26:07,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 11:26:07,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:26:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:07,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:07,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:26:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:26:07,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:07,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:07,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 11:26:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:26:07,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:26:07,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-13 11:26:07,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:26:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:07,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:07,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:26:07,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:26:07,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:26:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:07,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:07,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:07,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:07,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 11:26:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:26:07,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:26:07,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:26:07,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:26:07,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:26:07,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:07,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:07,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:26:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:26:07,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:07,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:07,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:07,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,931 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:26:07,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167479304] [2020-10-13 11:26:07,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:26:07,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:26:07,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958551428] [2020-10-13 11:26:07,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:26:07,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:26:07,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:26:07,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:26:07,933 INFO L87 Difference]: Start difference. First operand 607 states and 959 transitions. Second operand 9 states. [2020-10-13 11:26:09,342 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:26:11,014 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:26:11,783 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:26:24,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:26:24,065 INFO L93 Difference]: Finished difference Result 1489 states and 2473 transitions. [2020-10-13 11:26:24,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:26:24,065 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2020-10-13 11:26:24,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:26:24,072 INFO L225 Difference]: With dead ends: 1489 [2020-10-13 11:26:24,072 INFO L226 Difference]: Without dead ends: 923 [2020-10-13 11:26:24,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:26:24,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-10-13 11:26:24,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 646. [2020-10-13 11:26:24,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-10-13 11:26:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1023 transitions. [2020-10-13 11:26:24,225 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1023 transitions. Word has length 128 [2020-10-13 11:26:24,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:26:24,226 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 1023 transitions. [2020-10-13 11:26:24,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:26:24,226 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1023 transitions. [2020-10-13 11:26:24,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 11:26:24,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:26:24,228 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:26:24,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:26:24,228 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:26:24,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:26:24,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1864996363, now seen corresponding path program 1 times [2020-10-13 11:26:24,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:26:24,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458419439] [2020-10-13 11:26:24,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:26:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:24,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:25,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:25,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:29,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:29,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-13 11:26:29,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:26:29,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 11:26:29,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:26:29,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:26:29,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:30,095 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:26:30,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:30,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:30,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:26:30,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:30,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:26:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:30,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:30,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:30,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:30,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:30,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:30,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:30,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:30,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:30,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:30,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:30,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:30,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:30,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:26:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:30,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:30,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:30,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:30,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:30,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:30,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:26:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:30,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:30,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:30,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:30,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:30,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:30,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:26:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:30,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:30,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:30,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:30,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:30,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:30,382 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:26:30,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:26:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 11:26:35,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:26:35,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:26:35,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:35,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 11:26:35,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:26:35,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,541 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:26:35,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:26:35,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:35,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 11:26:35,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:35,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:26:35,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:26:35,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 11:26:35,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:35,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:35,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:35,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:26:35,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:26:35,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:26:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 11:26:35,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:35,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:26:35,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:35,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-13 11:26:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:35,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:26:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:35,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:35,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:35,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:35,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:35,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:35,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:35,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:35,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:35,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:35,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 11:26:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:36,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:26:36,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:26:36,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-13 11:26:36,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:36,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:36,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:26:36,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:36,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:36,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:36,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:36,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:36,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:36,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:36,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:36,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:36,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:36,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:36,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:36,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:36,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:36,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:26:36,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:36,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:26:36,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:36,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:36,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:26:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:36,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:36,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:36,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:36,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:36,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:36,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:36,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:36,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:36,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:36,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:36,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:36,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:36,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:36,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:36,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 11:26:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:36,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:36,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:26:36,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:36,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:26:36,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:36,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:36,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:26:36,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:36,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:36,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:36,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:36,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:26:36,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:36,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:26:36,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:36,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:36,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:36,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:36,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:36,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:36,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:36,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:36,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:36,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:36,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:36,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:36,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:36,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:36,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:36,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:26:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:36,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:36,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:26:36,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:36,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:36,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:36,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:36,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:36,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:36,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:36,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:36,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:36,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:36,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:36,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:36,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:36,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:36,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:36,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:36,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:36,219 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:26:36,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458419439] [2020-10-13 11:26:36,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:26:36,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:26:36,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486649603] [2020-10-13 11:26:36,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:26:36,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:26:36,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:26:36,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:26:36,221 INFO L87 Difference]: Start difference. First operand 646 states and 1023 transitions. Second operand 9 states. [2020-10-13 11:26:37,848 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:26:38,602 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:26:40,310 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 400