/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_spec3_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:34:01,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:34:01,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:34:01,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:34:01,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:34:01,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:34:01,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:34:01,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:34:01,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:34:01,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:34:01,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:34:01,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:34:01,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:34:01,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:34:01,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:34:01,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:34:01,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:34:01,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:34:01,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:34:01,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:34:01,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:34:01,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:34:01,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:34:01,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:34:01,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:34:01,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:34:01,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:34:01,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:34:01,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:34:01,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:34:01,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:34:01,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:34:01,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:34:01,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:34:01,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:34:01,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:34:01,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:34:01,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:34:01,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:34:01,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:34:01,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:34:01,665 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 11:34:01,710 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:34:01,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:34:01,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:34:01,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:34:01,712 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:34:01,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:34:01,713 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:34:01,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:34:01,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:34:01,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:34:01,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:34:01,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:34:01,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:34:01,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:34:01,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:34:01,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:34:01,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:34:01,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:34:01,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:34:01,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:34:01,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:34:01,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:34:01,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:34:01,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:34:01,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:34:01,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:34:01,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:34:01,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:34:01,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:34:01,719 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 11:34:02,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:34:02,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:34:02,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:34:02,060 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:34:02,061 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:34:02,061 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product17.cil.c [2020-10-13 11:34:02,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f81090d7/7bb16f5a34824fa2ad5acfa8e5412176/FLAG8ed1cad16 [2020-10-13 11:34:02,709 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:34:02,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product17.cil.c [2020-10-13 11:34:02,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f81090d7/7bb16f5a34824fa2ad5acfa8e5412176/FLAG8ed1cad16 [2020-10-13 11:34:03,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f81090d7/7bb16f5a34824fa2ad5acfa8e5412176 [2020-10-13 11:34:03,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:34:03,020 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:34:03,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:34:03,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:34:03,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:34:03,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:34:03" (1/1) ... [2020-10-13 11:34:03,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c03ede6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:03, skipping insertion in model container [2020-10-13 11:34:03,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:34:03" (1/1) ... [2020-10-13 11:34:03,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:34:03,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:34:03,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:34:03,824 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:34:03,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:34:04,041 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:34:04,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:04 WrapperNode [2020-10-13 11:34:04,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:34:04,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:34:04,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:34:04,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:34:04,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:04" (1/1) ... [2020-10-13 11:34:04,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:04" (1/1) ... [2020-10-13 11:34:04,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:04" (1/1) ... [2020-10-13 11:34:04,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:04" (1/1) ... [2020-10-13 11:34:04,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:04" (1/1) ... [2020-10-13 11:34:04,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:04" (1/1) ... [2020-10-13 11:34:04,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:04" (1/1) ... [2020-10-13 11:34:04,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:34:04,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:34:04,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:34:04,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:34:04,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:04" (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 11:34:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:34:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:34:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:34:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:34:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-13 11:34:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-13 11:34:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:34:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:34:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:34:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:34:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:34:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:34:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:34:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:34:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:34:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:34:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:34:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:34:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:34:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:34:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:34:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:34:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:34:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:34:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:34:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:34:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:34:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:34:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:34:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:34:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:34:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:34:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:34:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:34:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:34:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:34:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:34:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:34:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:34:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:34:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:34:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:34:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:34:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:34:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:34:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:34:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:34:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:34:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:34:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:34:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:34:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:34:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:34:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:34:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:34:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:34:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:34:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:34:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:34:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:34:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:34:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:34:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:34:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:34:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:34:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:34:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:34:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:34:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:34:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:34:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:34:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:34:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:34:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:34:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:34:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:34:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:34:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:34:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:34:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:34:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:34:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:34:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:34:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-13 11:34:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-13 11:34:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:34:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:34:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:34:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:34:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:34:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:34:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:34:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:34:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:34:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:34:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:34:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:34:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:34:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:34:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:34:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:34:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:34:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:34:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:34:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:34:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:34:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:34:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:34:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:34:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:34:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:34:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:34:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:34:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:34:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:34:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:34:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:34:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:34:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:34:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:34:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:34:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:34:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:34:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:34:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:34:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:34:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:34:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:34:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:34:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:34:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:34:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:34:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:34:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:34:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:34:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:34:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:34:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:34:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:34:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:34:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:34:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:34:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:34:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:34:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:34:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:34:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:34:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:34:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:34:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:34:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:34:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:34:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:34:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:34:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:34:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:34:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:34:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:34:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:34:06,658 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:34:06,659 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:34:06,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:34:06 BoogieIcfgContainer [2020-10-13 11:34:06,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:34:06,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:34:06,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:34:06,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:34:06,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:34:03" (1/3) ... [2020-10-13 11:34:06,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313f93df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:34:06, skipping insertion in model container [2020-10-13 11:34:06,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:04" (2/3) ... [2020-10-13 11:34:06,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313f93df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:34:06, skipping insertion in model container [2020-10-13 11:34:06,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:34:06" (3/3) ... [2020-10-13 11:34:06,678 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product17.cil.c [2020-10-13 11:34:06,689 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:34:06,698 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:34:06,713 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:34:06,741 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:34:06,741 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:34:06,742 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:34:06,742 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:34:06,742 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:34:06,742 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:34:06,742 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:34:06,742 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:34:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states. [2020-10-13 11:34:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-13 11:34:06,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:34:06,831 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:34:06,831 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:34:06,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:34:06,838 INFO L82 PathProgramCache]: Analyzing trace with hash 766900618, now seen corresponding path program 1 times [2020-10-13 11:34:06,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:34:06,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221329658] [2020-10-13 11:34:06,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:34:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:07,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:07,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:08,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:08,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:09,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:09,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:09,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:10,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:11,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:12,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:12,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 11:34:12,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:34:12,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5081 [2020-10-13 11:34:12,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:34:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 11:34:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:34:12,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:34:13,485 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:34:13,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:13,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:13,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:13,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:13,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 11:34:13,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:13,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:13,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:13,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:13,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:13,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:13,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:13,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:13,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:13,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:13,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:13,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:13,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:34:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:13,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:13,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:13,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:13,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:13,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:13,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:13,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:34:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:13,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:13,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:13,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:13,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:13,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:34:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:13,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:13,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:13,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:13,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:13,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:13,789 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:34:13,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:34:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:13,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:13,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:34:13,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:13,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:34:13,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:13,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:13,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:13,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:13,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:13,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:13,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:13,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:13,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:34:13,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:13,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:13,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:34:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:13,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:34:14,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:34:14,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-13 11:34:14,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:14,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:14,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:34:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:34:14,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:34:14,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:34:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:14,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:14,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 11:34:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:34:14,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:34:14,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:14,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:14,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:14,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:14,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 11:34:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:34:14,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:34:14,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:14,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:34:14,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:14,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:14,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 11:34:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:34:14,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:14,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:34:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 11:34:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:34:14,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:34:14,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:34:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:34:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:14,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:14,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:14,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:14,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:14,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:14,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:34:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:14,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:34:14,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221329658] [2020-10-13 11:34:14,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:34:14,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:34:14,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50286777] [2020-10-13 11:34:14,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:34:14,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:34:14,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:34:14,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:34:14,545 INFO L87 Difference]: Start difference. First operand 762 states. Second operand 11 states. [2020-10-13 11:34:15,549 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 11:34:18,460 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:34:18,687 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:34:18,851 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:34:24,320 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:34:40,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:34:40,130 INFO L93 Difference]: Finished difference Result 1632 states and 2997 transitions. [2020-10-13 11:34:40,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:34:40,132 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 115 [2020-10-13 11:34:40,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:34:40,169 INFO L225 Difference]: With dead ends: 1632 [2020-10-13 11:34:40,170 INFO L226 Difference]: Without dead ends: 1026 [2020-10-13 11:34:40,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:34:40,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2020-10-13 11:34:40,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 605. [2020-10-13 11:34:40,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-10-13 11:34:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 971 transitions. [2020-10-13 11:34:40,438 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 971 transitions. Word has length 115 [2020-10-13 11:34:40,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:34:40,439 INFO L479 AbstractCegarLoop]: Abstraction has 605 states and 971 transitions. [2020-10-13 11:34:40,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:34:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 971 transitions. [2020-10-13 11:34:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 11:34:40,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:34:40,446 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:34:40,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:34:40,447 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:34:40,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:34:40,447 INFO L82 PathProgramCache]: Analyzing trace with hash -190748620, now seen corresponding path program 1 times [2020-10-13 11:34:40,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:34:40,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630770329] [2020-10-13 11:34:40,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:34:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:41,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:41,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:41,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:41,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:42,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:44,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:44,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:45,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:45,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:45,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 11:34:45,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 11:34:45,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 11:34:45,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:45,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:34:45,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:34:45,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:34:45,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:46,312 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:34:46,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:46,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:46,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:46,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:46,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:46,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 11:34:46,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:46,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:46,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:46,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:46,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:46,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:46,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:46,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:46,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:46,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:46,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:46,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:46,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:46,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:34:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:46,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:46,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:46,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:46,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:46,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:46,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:46,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:46,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:46,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:46,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:34:46,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:34:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:46,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:46,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:46,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:46,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:46,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:46,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:46,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:34:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:46,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:46,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:46,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:46,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:46,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:46,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:46,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:46,615 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:34:46,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:34:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:46,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:46,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:46,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:34:46,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:46,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:34:46,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:46,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:46,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:46,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:46,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:46,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:46,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:46,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:34:46,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:46,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:46,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:46,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:46,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:46,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:34:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:46,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:46,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:46,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:46,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:34:46,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:46,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-13 11:34:46,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:34:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:34:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:34:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:47,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:47,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:47,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:34:47,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:34:47,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:47,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:34:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:34:47,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:47,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 11:34:47,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:34:47,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:34:47,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:34:47,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:47,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:34:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:47,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:34:47,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:34:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:34:47,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:47,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 11:34:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:34:47,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:47,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:34:47,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:34:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:47,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:47,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:47,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:47,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:47,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:47,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:47,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:47,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:47,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:47,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:47,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:47,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 11:34:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:34:47,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:47,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:34:47,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:34:47,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:47,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:47,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:47,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:47,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:47,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:47,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:47,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:34:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:47,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:47,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:47,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:47,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:47,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:47,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:47,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:34:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:34:47,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:47,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:47,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:34:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:47,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:47,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:34:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:34:47,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:47,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:34:47,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:47,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:34:47,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:47,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:47,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 11:34:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:47,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:47,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:47,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:34:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:47,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:34:47,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630770329] [2020-10-13 11:34:47,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:34:47,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-13 11:34:47,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973338016] [2020-10-13 11:34:47,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 11:34:47,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:34:47,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 11:34:47,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:34:47,466 INFO L87 Difference]: Start difference. First operand 605 states and 971 transitions. Second operand 15 states. [2020-10-13 11:34:49,809 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:34:50,607 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:34:51,341 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:34:52,092 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:34:52,861 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-13 11:34:53,636 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:34:54,561 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-13 11:35:01,696 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:35:13,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:35:13,034 INFO L93 Difference]: Finished difference Result 1554 states and 2707 transitions. [2020-10-13 11:35:13,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-13 11:35:13,035 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 122 [2020-10-13 11:35:13,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:35:13,051 INFO L225 Difference]: With dead ends: 1554 [2020-10-13 11:35:13,051 INFO L226 Difference]: Without dead ends: 981 [2020-10-13 11:35:13,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=290, Invalid=1042, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 11:35:13,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2020-10-13 11:35:13,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 622. [2020-10-13 11:35:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-13 11:35:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 995 transitions. [2020-10-13 11:35:13,222 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 995 transitions. Word has length 122 [2020-10-13 11:35:13,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:35:13,222 INFO L479 AbstractCegarLoop]: Abstraction has 622 states and 995 transitions. [2020-10-13 11:35:13,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 11:35:13,223 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 995 transitions. [2020-10-13 11:35:13,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-13 11:35:13,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:35:13,227 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:35:13,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:35:13,227 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:35:13,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:35:13,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1775568550, now seen corresponding path program 1 times [2020-10-13 11:35:13,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:35:13,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208406511] [2020-10-13 11:35:13,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:35:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:13,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:13,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:13,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:13,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:13,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:18,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:18,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 11:35:18,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:35:18,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-13 11:35:18,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:18,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:18,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 11:35:18,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:35:18,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,021 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:35:19,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:35:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:19,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 11:35:19,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:19,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:19,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:35:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:19,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:19,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:35:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:19,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:19,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:35:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:19,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:19,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,249 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:35:19,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:35:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:35:19,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:35:19,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:19,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:35:19,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:35:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:35:19,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:35:19,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-10-13 11:35:19,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:19,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:35:19,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:35:19,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:35:19,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:19,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:35:19,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:19,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:35:19,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:35:19,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:35:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:35:19,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:35:19,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:35:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:35:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:19,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:19,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:35:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:35:19,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:35:19,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:35:19,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:19,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:19,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:19,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:19,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:35:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:35:19,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:35:19,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:35:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:19,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:19,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:35:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:19,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:19,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:19,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 11:35:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:35:19,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:19,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:35:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:35:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:35:19,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:19,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:35:19,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 11:35:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:19,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:19,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:19,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:19,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:19,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:19,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:19,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:35:19,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:19,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:35:19,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208406511] [2020-10-13 11:35:19,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:35:19,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:35:19,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514279819] [2020-10-13 11:35:19,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:35:19,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:35:19,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:35:19,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:35:19,935 INFO L87 Difference]: Start difference. First operand 622 states and 995 transitions. Second operand 10 states. [2020-10-13 11:35:21,507 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:35:22,190 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-13 11:35:27,560 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:35:36,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:35:36,734 INFO L93 Difference]: Finished difference Result 1567 states and 2721 transitions. [2020-10-13 11:35:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 11:35:36,735 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-10-13 11:35:36,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:35:36,744 INFO L225 Difference]: With dead ends: 1567 [2020-10-13 11:35:36,744 INFO L226 Difference]: Without dead ends: 975 [2020-10-13 11:35:36,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:35:36,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2020-10-13 11:35:36,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 622. [2020-10-13 11:35:36,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-13 11:35:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 990 transitions. [2020-10-13 11:35:36,913 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 990 transitions. Word has length 123 [2020-10-13 11:35:36,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:35:36,914 INFO L479 AbstractCegarLoop]: Abstraction has 622 states and 990 transitions. [2020-10-13 11:35:36,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:35:36,914 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 990 transitions. [2020-10-13 11:35:36,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 11:35:36,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:35:36,919 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:35:36,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:35:36,919 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:35:36,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:35:36,920 INFO L82 PathProgramCache]: Analyzing trace with hash 722833140, now seen corresponding path program 1 times [2020-10-13 11:35:36,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:35:36,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095644934] [2020-10-13 11:35:36,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:35:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:37,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:37,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:37,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:37,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:37,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:37,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:38,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:38,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:39,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:39,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:40,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:42,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:42,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 11:35:42,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 11:35:42,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 11:35:42,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:42,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:35:42,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:35:42,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:35:42,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:42,868 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:35:42,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:35:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:42,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:42,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:42,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:42,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:42,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:35:42,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:42,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:42,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:42,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:42,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:42,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:42,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:42,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:42,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:42,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:42,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:42,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:42,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:42,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:42,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:35:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:42,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:42,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:42,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:42,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:42,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:42,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:42,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:42,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:42,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:42,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:42,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:35:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:42,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:42,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:42,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:42,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:42,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:42,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:42,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:42,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:42,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:42,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:42,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:35:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:42,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:42,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:42,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:42,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:42,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:42,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:42,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:42,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:42,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:42,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,079 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:35:43,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:35:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:35:43,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:35:43,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:43,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:43,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:43,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:43,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:35:43,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:43,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:43,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:35:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:35:43,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:43,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-13 11:35:43,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:35:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:35:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:35:43,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:43,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:43,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:43,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:43,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:35:43,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:35:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:35:43,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:43,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 11:35:43,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:35:43,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:35:43,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 11:35:43,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:35:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:35:43,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:35:43,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:35:43,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:35:43,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:35:43,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 11:35:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:35:43,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:35:43,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:43,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:35:43,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:43,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:43,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:43,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:43,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:43,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:43,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:43,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:43,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:43,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:43,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:35:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:35:43,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:35:43,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:43,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:35:43,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:43,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:43,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:43,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:43,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:43,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:43,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:35:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:43,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:43,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:43,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:43,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:43,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 11:35:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:35:43,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:43,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:35:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 11:35:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:35:43,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:43,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:35:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:43,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 11:35:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:43,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:43,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:43,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:43,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:43,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:43,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:43,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:43,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:35:43,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:43,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:35:43,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095644934] [2020-10-13 11:35:43,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:35:43,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:35:43,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052253041] [2020-10-13 11:35:43,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:35:43,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:35:43,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:35:43,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:35:43,692 INFO L87 Difference]: Start difference. First operand 622 states and 990 transitions. Second operand 13 states. [2020-10-13 11:35:45,544 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:35:46,311 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:35:47,081 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:35:47,834 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-13 11:35:48,644 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:35:55,951 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:36:07,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:36:07,265 INFO L93 Difference]: Finished difference Result 1581 states and 2737 transitions. [2020-10-13 11:36:07,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-13 11:36:07,266 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 124 [2020-10-13 11:36:07,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:36:07,275 INFO L225 Difference]: With dead ends: 1581 [2020-10-13 11:36:07,275 INFO L226 Difference]: Without dead ends: 991 [2020-10-13 11:36:07,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=235, Invalid=695, Unknown=0, NotChecked=0, Total=930 [2020-10-13 11:36:07,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-10-13 11:36:07,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 623. [2020-10-13 11:36:07,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2020-10-13 11:36:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 993 transitions. [2020-10-13 11:36:07,452 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 993 transitions. Word has length 124 [2020-10-13 11:36:07,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:36:07,452 INFO L479 AbstractCegarLoop]: Abstraction has 623 states and 993 transitions. [2020-10-13 11:36:07,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:36:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 993 transitions. [2020-10-13 11:36:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 11:36:07,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:36:07,456 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:36:07,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:36:07,457 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:36:07,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:36:07,457 INFO L82 PathProgramCache]: Analyzing trace with hash -343386513, now seen corresponding path program 1 times [2020-10-13 11:36:07,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:36:07,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249940815] [2020-10-13 11:36:07,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:36:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:08,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:08,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:08,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:08,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:12,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:12,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-13 11:36:12,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:36:12,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 11:36:12,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:36:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 11:36:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:36:12,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,193 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:36:13,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:36:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:13,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:36:13,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:36:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:13,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:13,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:36:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:13,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:13,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:36:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:13,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:13,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:36:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:13,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:13,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,394 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:36:13,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:36:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:36:13,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:36:13,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:13,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:36:13,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:36:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 11:36:13,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:36:13,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:36:13,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:36:13,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:36:13,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:36:13,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:36:13,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:36:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:36:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:36:13,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:36:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:36:13,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:36:13,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:36:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:36:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:13,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:13,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 11:36:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:36:13,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:36:13,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:36:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:13,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:13,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:36:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:13,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:13,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 11:36:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:36:13,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:36:13,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:36:13,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:13,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:13,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:36:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:13,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:13,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:36:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:36:13,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:13,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:36:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 11:36:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:36:13,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:13,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:36:13,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:36:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:13,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:13,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:13,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:13,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:13,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:13,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:13,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:13,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:36:13,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:13,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:36:13,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249940815] [2020-10-13 11:36:13,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:36:13,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:36:13,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037251606] [2020-10-13 11:36:13,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:36:13,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:36:13,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:36:13,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:36:13,772 INFO L87 Difference]: Start difference. First operand 623 states and 993 transitions. Second operand 10 states. [2020-10-13 11:36:15,255 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-13 11:36:16,025 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:36:18,214 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:36:22,523 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:36:34,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:36:34,354 INFO L93 Difference]: Finished difference Result 1566 states and 2712 transitions. [2020-10-13 11:36:34,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 11:36:34,355 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 127 [2020-10-13 11:36:34,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:36:34,363 INFO L225 Difference]: With dead ends: 1566 [2020-10-13 11:36:34,364 INFO L226 Difference]: Without dead ends: 936 [2020-10-13 11:36:34,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:36:34,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-10-13 11:36:34,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 588. [2020-10-13 11:36:34,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-13 11:36:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 933 transitions. [2020-10-13 11:36:34,530 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 933 transitions. Word has length 127 [2020-10-13 11:36:34,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:36:34,530 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 933 transitions. [2020-10-13 11:36:34,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:36:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 933 transitions. [2020-10-13 11:36:34,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 11:36:34,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:36:34,534 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:36:34,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:36:34,534 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:36:34,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:36:34,535 INFO L82 PathProgramCache]: Analyzing trace with hash 565499904, now seen corresponding path program 1 times [2020-10-13 11:36:34,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:36:34,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266842599] [2020-10-13 11:36:34,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:36:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:34,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:34,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:34,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:34,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:35,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:35,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:35,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:35,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:39,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:39,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 11:36:39,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:36:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:36:39,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:36:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 11:36:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:36:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,280 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:36:40,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:36:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:40,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:36:40,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:36:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:40,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:40,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:36:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:40,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:40,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:36:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:40,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:40,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:36:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:40,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:40,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,477 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:36:40,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:36:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:36:40,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:36:40,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:40,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:36:40,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:36:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:36:40,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:36:40,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-13 11:36:40,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:36:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:36:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:36:40,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:40,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:40,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:36:40,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:36:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:36:40,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:36:40,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:36:40,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:36:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:36:40,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:36:40,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:36:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:36:40,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:36:40,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:36:40,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:36:40,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:36:40,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 11:36:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:36:40,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:36:40,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:36:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:40,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:40,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:36:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:40,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:40,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:36:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:36:40,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:36:40,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:36:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:40,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:40,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:36:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:40,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:40,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 11:36:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:36:40,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:40,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:36:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:36:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:36:40,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:40,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:36:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:40,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:36:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:40,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:40,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:40,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:40,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:40,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:40,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:40,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:40,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:36:40,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:40,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:36:41,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266842599] [2020-10-13 11:36:41,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:36:41,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:36:41,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452406029] [2020-10-13 11:36:41,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:36:41,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:36:41,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:36:41,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:36:41,025 INFO L87 Difference]: Start difference. First operand 588 states and 933 transitions. Second operand 11 states. [2020-10-13 11:36:42,581 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:36:43,404 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:36:49,660 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:37:01,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:37:01,479 INFO L93 Difference]: Finished difference Result 1499 states and 2597 transitions. [2020-10-13 11:37:01,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:37:01,480 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 125 [2020-10-13 11:37:01,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:37:01,489 INFO L225 Difference]: With dead ends: 1499 [2020-10-13 11:37:01,489 INFO L226 Difference]: Without dead ends: 943 [2020-10-13 11:37:01,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:37:01,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2020-10-13 11:37:01,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 591. [2020-10-13 11:37:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-13 11:37:01,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 937 transitions. [2020-10-13 11:37:01,703 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 937 transitions. Word has length 125 [2020-10-13 11:37:01,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:37:01,704 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 937 transitions. [2020-10-13 11:37:01,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:37:01,704 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 937 transitions. [2020-10-13 11:37:01,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 11:37:01,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:37:01,708 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:37:01,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:37:01,708 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:37:01,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:37:01,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1873116949, now seen corresponding path program 1 times [2020-10-13 11:37:01,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:37:01,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163855994] [2020-10-13 11:37:01,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:37:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:01,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:01,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:02,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:02,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:02,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:02,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:03,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:03,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:04,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:04,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:04,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:04,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:06,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:06,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 11:37:06,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 11:37:06,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:37:06,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:06,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:37:06,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:37:06,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:37:06,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:07,477 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:37:07,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:37:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:07,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:07,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:07,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:07,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:07,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:37:07,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:07,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:07,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:37:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:07,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:07,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:07,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:07,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:07,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:07,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:07,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:07,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:07,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:37:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:07,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:07,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:07,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:07,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:07,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:07,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:07,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:07,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:07,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:07,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:07,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:37:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:07,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:07,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:07,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:07,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:07,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:07,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:07,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:37:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:07,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:07,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:07,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:07,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:07,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:07,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:07,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:07,688 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:37:07,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:37:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:07,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:07,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:07,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:37:07,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:37:07,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:07,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:07,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:07,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:07,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:07,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:07,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:37:07,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:07,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:07,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:37:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:07,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:07,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:07,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:07,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:37:07,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:37:07,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 11:37:07,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:07,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:37:07,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:37:07,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:37:07,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:07,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:07,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:07,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:07,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:07,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:07,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:07,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:07,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:37:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:37:07,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:07,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:37:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:07,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:07,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:08,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:08,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 11:37:08,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:37:08,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 11:37:08,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:08,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:37:08,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:37:08,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 11:37:08,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:08,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:37:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:08,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:08,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:08,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:37:08,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:08,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:37:08,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:37:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:08,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:37:08,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:08,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 11:37:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:08,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:08,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:08,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:37:08,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:08,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:37:08,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:37:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:08,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:08,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:08,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:08,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:08,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:08,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:08,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:08,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:08,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:08,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:08,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:08,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:08,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:37:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:08,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:08,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:08,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:08,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:08,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:08,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:08,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:08,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:08,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:08,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:08,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 11:37:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:08,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:08,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:08,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:37:08,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:08,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:37:08,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:37:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:08,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:08,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:08,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:08,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:08,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:08,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:08,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:37:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:08,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:08,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:08,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:08,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:08,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:08,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:08,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:08,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:08,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:08,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:37:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:08,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:08,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:08,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:37:08,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:08,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:08,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:08,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:08,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:37:08,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:08,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:08,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 11:37:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:08,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:08,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:08,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:37:08,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:08,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:08,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:08,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:08,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:37:08,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:08,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:08,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:37:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:08,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:08,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:08,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:08,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:08,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:08,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:37:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:08,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:37:08,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163855994] [2020-10-13 11:37:08,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:37:08,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-13 11:37:08,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541526750] [2020-10-13 11:37:08,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 11:37:08,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:37:08,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 11:37:08,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:37:08,247 INFO L87 Difference]: Start difference. First operand 591 states and 937 transitions. Second operand 15 states. [2020-10-13 11:37:10,620 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:37:11,336 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:37:12,022 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:37:12,724 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:37:13,476 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-13 11:37:14,267 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:37:15,114 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-13 11:37:15,921 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:37:24,163 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:37:38,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:37:38,939 INFO L93 Difference]: Finished difference Result 1508 states and 2613 transitions. [2020-10-13 11:37:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-13 11:37:38,940 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 126 [2020-10-13 11:37:38,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:37:38,948 INFO L225 Difference]: With dead ends: 1508 [2020-10-13 11:37:38,948 INFO L226 Difference]: Without dead ends: 933 [2020-10-13 11:37:38,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 11:37:38,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2020-10-13 11:37:39,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 585. [2020-10-13 11:37:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-10-13 11:37:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 923 transitions. [2020-10-13 11:37:39,098 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 923 transitions. Word has length 126 [2020-10-13 11:37:39,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:37:39,098 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 923 transitions. [2020-10-13 11:37:39,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 11:37:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 923 transitions. [2020-10-13 11:37:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 11:37:39,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:37:39,102 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:37:39,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:37:39,102 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:37:39,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:37:39,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1949672153, now seen corresponding path program 1 times [2020-10-13 11:37:39,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:37:39,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1706465795] [2020-10-13 11:37:39,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:37:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:39,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:39,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:39,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:39,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:39,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:39,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:39,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:41,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:44,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:44,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 11:37:44,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:37:44,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 11:37:44,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:37:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 11:37:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:37:44,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:44,868 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:37:44,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:37:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:44,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:44,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:44,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:44,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:44,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:37:44,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:44,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:44,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:44,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:37:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:44,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:44,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:44,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:44,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:44,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:44,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:44,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:44,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:44,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:37:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:44,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:44,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:44,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:44,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:44,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:44,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:44,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:44,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:37:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:44,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:44,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:44,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:44,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:44,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:44,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:44,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:44,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:37:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:44,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:44,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:44,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:44,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:44,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:44,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:44,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:44,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:44,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:44,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,069 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:37:45,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:37:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:37:45,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:37:45,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:45,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:37:45,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:37:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:37:45,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:37:45,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-13 11:37:45,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:37:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:37:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:37:45,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:45,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:45,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:45,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:37:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 11:37:45,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:37:45,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:37:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:37:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:37:45,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:37:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:37:45,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:37:45,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:37:45,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:37:45,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:37:45,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 11:37:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:37:45,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:37:45,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:37:45,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:45,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:45,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:45,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:37:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:45,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:45,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 11:37:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:37:45,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:37:45,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:37:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:45,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:45,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:37:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:45,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:45,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:45,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:37:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:37:45,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:45,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:37:45,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 11:37:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:37:45,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:45,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:37:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:37:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:45,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:45,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:45,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:45,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:45,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:45,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:37:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:45,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:37:45,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1706465795] [2020-10-13 11:37:45,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:37:45,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:37:45,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518444630] [2020-10-13 11:37:45,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:37:45,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:37:45,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:37:45,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:37:45,663 INFO L87 Difference]: Start difference. First operand 585 states and 923 transitions. Second operand 11 states. [2020-10-13 11:37:47,324 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:37:48,139 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 380