/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_spec14_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:20:54,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:20:54,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:20:54,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:20:54,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:20:54,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:20:54,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:20:54,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:20:54,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:20:54,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:20:54,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:20:54,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:20:54,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:20:54,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:20:54,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:20:54,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:20:54,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:20:54,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:20:54,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:20:54,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:20:54,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:20:54,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:20:54,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:20:54,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:20:54,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:20:54,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:20:54,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:20:54,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:20:54,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:20:54,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:20:54,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:20:54,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:20:54,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:20:54,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:20:54,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:20:54,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:20:54,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:20:54,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:20:54,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:20:54,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:20:54,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:20:54,617 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 11:20:54,666 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:20:54,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:20:54,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:20:54,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:20:54,669 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:20:54,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:20:54,672 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:20:54,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:20:54,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:20:54,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:20:54,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:20:54,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:20:54,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:20:54,673 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:20:54,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:20:54,674 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:20:54,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:20:54,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:20:54,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:20:54,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:20:54,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:20:54,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:20:54,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:20:54,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:20:54,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:20:54,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:20:54,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:20:54,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:20:54,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:20:54,677 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 11:20:55,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:20:55,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:20:55,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:20:55,029 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:20:55,030 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:20:55,030 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_productSimulator.cil.c [2020-10-13 11:20:55,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c6aa2ac6/bd1f716b62b84e438e6db786f9edd4d2/FLAGdbc0243d8 [2020-10-13 11:20:55,741 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:20:55,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_productSimulator.cil.c [2020-10-13 11:20:55,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c6aa2ac6/bd1f716b62b84e438e6db786f9edd4d2/FLAGdbc0243d8 [2020-10-13 11:20:56,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c6aa2ac6/bd1f716b62b84e438e6db786f9edd4d2 [2020-10-13 11:20:56,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:20:56,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:20:56,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:20:56,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:20:56,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:20:56,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:20:56" (1/1) ... [2020-10-13 11:20:56,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b610eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:56, skipping insertion in model container [2020-10-13 11:20:56,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:20:56" (1/1) ... [2020-10-13 11:20:56,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:20:56,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:20:56,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:20:56,882 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:20:57,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:20:57,143 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:20:57,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:57 WrapperNode [2020-10-13 11:20:57,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:20:57,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:20:57,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:20:57,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:20:57,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:57" (1/1) ... [2020-10-13 11:20:57,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:57" (1/1) ... [2020-10-13 11:20:57,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:57" (1/1) ... [2020-10-13 11:20:57,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:57" (1/1) ... [2020-10-13 11:20:57,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:57" (1/1) ... [2020-10-13 11:20:57,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:57" (1/1) ... [2020-10-13 11:20:57,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:57" (1/1) ... [2020-10-13 11:20:57,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:20:57,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:20:57,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:20:57,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:20:57,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:57" (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 11:20:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:20:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:20:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:20:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-13 11:20:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:20:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:20:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:20:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:20:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:20:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:20:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:20:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:20:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:20:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:20:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:20:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:20:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:20:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:20:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:20:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:20:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:20:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:20:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:20:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:20:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:20:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:20:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:20:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:20:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:20:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:20:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:20:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:20:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:20:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:20:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:20:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:20:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:20:57,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:20:57,465 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:20:57,466 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:20:57,466 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:20:57,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2020-10-13 11:20:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2020-10-13 11:20:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:20:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2020-10-13 11:20:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2020-10-13 11:20:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:20:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2020-10-13 11:20:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2020-10-13 11:20:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2020-10-13 11:20:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2020-10-13 11:20:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:20:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:20:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:20:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:20:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:20:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:20:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:20:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:20:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:20:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:20:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-13 11:20:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-13 11:20:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2020-10-13 11:20:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2020-10-13 11:20:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:20:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:20:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:20:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-13 11:20:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-13 11:20:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-13 11:20:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-13 11:20:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:20:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:20:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:20:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2020-10-13 11:20:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2020-10-13 11:20:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:20:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2020-10-13 11:20:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2020-10-13 11:20:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:20:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:20:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-13 11:20:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-13 11:20:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:20:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:20:57,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:20:57,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:20:57,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:20:57,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:20:57,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:20:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:20:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:20:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:20:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:20:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:20:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-13 11:20:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-13 11:20:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-13 11:20:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:20:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:20:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:20:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:20:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:20:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:20:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:20:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:20:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:20:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:20:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:20:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:20:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:20:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:20:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:20:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:20:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:20:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:20:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:20:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:20:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:20:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:20:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:20:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:20:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:20:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:20:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:20:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:20:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:20:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:20:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:20:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:20:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:20:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:20:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:20:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:20:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:20:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:20:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:20:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:20:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:20:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:20:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:20:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:20:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:20:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:20:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:20:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2020-10-13 11:20:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2020-10-13 11:20:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2020-10-13 11:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2020-10-13 11:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2020-10-13 11:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2020-10-13 11:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2020-10-13 11:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2020-10-13 11:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:20:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:20:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:20:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:20:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:20:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-13 11:20:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-13 11:20:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2020-10-13 11:20:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2020-10-13 11:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-13 11:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-13 11:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-13 11:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-13 11:20:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:20:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:20:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:20:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2020-10-13 11:20:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2020-10-13 11:20:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2020-10-13 11:20:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:20:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2020-10-13 11:20:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:20:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:20:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:20:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:20:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:20:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:20:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:20:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:20:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:20:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:20:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:20:59,676 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:20:59,676 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:20:59,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:20:59 BoogieIcfgContainer [2020-10-13 11:20:59,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:20:59,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:20:59,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:20:59,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:20:59,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:20:56" (1/3) ... [2020-10-13 11:20:59,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4050a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:20:59, skipping insertion in model container [2020-10-13 11:20:59,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:57" (2/3) ... [2020-10-13 11:20:59,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4050a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:20:59, skipping insertion in model container [2020-10-13 11:20:59,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:20:59" (3/3) ... [2020-10-13 11:20:59,695 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_productSimulator.cil.c [2020-10-13 11:20:59,707 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:20:59,716 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:20:59,733 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:20:59,762 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:20:59,763 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:20:59,763 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:20:59,763 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:20:59,763 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:20:59,763 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:20:59,763 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:20:59,764 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:20:59,803 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states. [2020-10-13 11:20:59,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 11:20:59,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:20:59,822 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-10-13 11:20:59,823 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:20:59,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:20:59,829 INFO L82 PathProgramCache]: Analyzing trace with hash -2107990238, now seen corresponding path program 1 times [2020-10-13 11:20:59,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:20:59,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196901778] [2020-10-13 11:20:59,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:21:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:00,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:00,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:00,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:01,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:02,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:02,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:05,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:05,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 11:21:05,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:21:05,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5078 [2020-10-13 11:21:05,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:05,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:21:05,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 11:21:05,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:21:05,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:21:06,522 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-13 11:21:06,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:21:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:06,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:06,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:06,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:06,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-13 11:21:06,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:06,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:06,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:06,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:06,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:06,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:21:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:06,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:06,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:06,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:06,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:06,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:21:06,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:06,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:06,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:06,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:21:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:06,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:06,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:06,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:21:06,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:06,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:21:06,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:06,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:06,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:06,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:06,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:06,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:21:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:06,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:06,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:06,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:06,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:06,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:21:06,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:06,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:06,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:06,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:06,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:06,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:21:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:06,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:06,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:06,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:06,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:06,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:21:06,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:06,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:06,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:06,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:06,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:06,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:21:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:06,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:06,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:06,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:06,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:06,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:21:06,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:06,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:06,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:06,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:06,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:06,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:21:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:06,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:06,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:06,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:06,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:06,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:21:06,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:06,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:06,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:06,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:06,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:21:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:06,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:06,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:06,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:06,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:06,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:21:06,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:06,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:06,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:06,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:06,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 11:21:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:06,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:06,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:06,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:21:06,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:06,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:21:06,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:06,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:06,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:21:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:06,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:06,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:06,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:21:06,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:06,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:06,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:06,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:06,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:21:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:06,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:06,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:07,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:07,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:07,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:07,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:21:07,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:21:07,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 630 [2020-10-13 11:21:07,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:07,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:21:07,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:21:07,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:21:07,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:21:07,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:21:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:07,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:07,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:07,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:21:07,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:07,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:21:07,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:07,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:21:07,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:21:07,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:21:07,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:21:07,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:21:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:07,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:07,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:07,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:07,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:21:07,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:21:07,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 11:21:07,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:07,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:21:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:07,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:07,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:21:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:07,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:07,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:07,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:21:07,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:07,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:21:07,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:07,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:07,974 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:21:07,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:21:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:07,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:07,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:07,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:21:07,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:07,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:21:07,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:21:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:07,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:08,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:21:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:08,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:08,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:08,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:08,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:08,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:08,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:08,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:08,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:08,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 11:21:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:08,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:08,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:08,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:21:08,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:08,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:21:08,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:21:08,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:08,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:08,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:21:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:08,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:08,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:08,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:21:08,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:08,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:21:08,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:08,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:08,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:08,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:08,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:08,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:21:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:08,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:08,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:08,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:08,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:08,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:21:08,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:21:08,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:08,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:08,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 11:21:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:08,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:08,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:08,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:08,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:08,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:21:08,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:21:08,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:08,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:08,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 11:21:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:08,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:08,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:08,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:08,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:08,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:21:08,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:08,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:08,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:21:08,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:08,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:08,182 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:21:08,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [196901778] [2020-10-13 11:21:08,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:21:08,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:21:08,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148225692] [2020-10-13 11:21:08,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:21:08,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:21:08,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:21:08,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:21:08,211 INFO L87 Difference]: Start difference. First operand 890 states. Second operand 10 states. [2020-10-13 11:21:08,919 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:21:09,198 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:21:10,516 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:21:11,291 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-13 11:21:21,365 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:21:28,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:21:28,242 INFO L93 Difference]: Finished difference Result 1707 states and 2807 transitions. [2020-10-13 11:21:28,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:21:28,244 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-10-13 11:21:28,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:21:28,278 INFO L225 Difference]: With dead ends: 1707 [2020-10-13 11:21:28,278 INFO L226 Difference]: Without dead ends: 982 [2020-10-13 11:21:28,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-13 11:21:28,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2020-10-13 11:21:28,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 730. [2020-10-13 11:21:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2020-10-13 11:21:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1121 transitions. [2020-10-13 11:21:28,628 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1121 transitions. Word has length 120 [2020-10-13 11:21:28,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:21:28,629 INFO L479 AbstractCegarLoop]: Abstraction has 730 states and 1121 transitions. [2020-10-13 11:21:28,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:21:28,629 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1121 transitions. [2020-10-13 11:21:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-13 11:21:28,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:21:28,639 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-10-13 11:21:28,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:21:28,639 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:21:28,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:21:28,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1040422258, now seen corresponding path program 1 times [2020-10-13 11:21:28,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:21:28,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1436142641] [2020-10-13 11:21:28,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:21:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:28,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:28,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:29,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:29,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:29,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:32,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:33,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:33,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 11:21:33,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:21:33,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-13 11:21:33,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:33,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:21:33,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 11:21:33,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:21:33,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:34,600 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-13 11:21:34,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:21:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:34,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:34,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:34,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:34,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 11:21:34,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:34,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:34,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:34,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:21:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:34,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:34,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:34,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:34,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:34,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:34,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:34,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:34,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:34,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:34,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:21:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:34,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:34,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:21:34,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:34,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:21:34,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:34,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:34,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:21:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:34,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:34,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:34,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:34,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:21:34,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:34,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:34,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:34,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:21:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:34,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:34,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:34,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:34,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:34,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:34,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:34,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:34,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:34,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:21:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:34,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:34,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:34,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:34,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:34,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:34,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:34,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:34,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:34,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:34,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:21:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:34,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:34,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:34,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:34,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:34,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:34,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:21:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:34,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:34,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:34,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:34,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:34,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:34,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:34,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 11:21:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:34,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:34,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:21:34,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:34,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:34,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:34,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:34,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:34,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:34,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:34,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:21:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:34,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:34,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:21:34,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:34,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:34,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:34,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:34,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:34,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:34,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:21:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:34,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:34,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:35,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:21:35,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:21:35,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 585 [2020-10-13 11:21:35,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:21:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:21:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:21:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:35,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:21:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:35,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:35,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:21:35,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:21:35,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:21:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:21:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:21:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:35,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:21:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:35,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:35,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:21:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:21:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 11:21:35,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:21:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:35,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:21:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:35,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:35,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:21:35,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:35,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:35,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:35,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:35,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:35,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:35,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:21:35,801 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:21:35,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:21:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:35,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:35,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:21:35,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:35,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:21:35,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:21:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:35,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:35,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:21:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:35,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:35,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:35,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:35,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:21:35,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:35,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:35,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 11:21:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:35,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:35,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:21:35,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:35,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:21:35,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:21:35,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:35,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:35,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:21:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:35,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:35,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:21:35,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:35,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:35,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:21:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:35,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 11:21:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:35,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:35,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:35,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:35,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:21:35,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:21:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:35,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:35,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:21:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:35,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:35,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:35,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:35,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:21:35,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:21:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:35,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:35,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 11:21:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:35,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:35,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:35,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:21:35,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:21:35,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:21:35,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:21:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:21:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:21:35,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:21:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:21:35,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1436142641] [2020-10-13 11:21:35,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:21:35,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:21:35,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393092344] [2020-10-13 11:21:35,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:21:35,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:21:35,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:21:35,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:21:35,923 INFO L87 Difference]: Start difference. First operand 730 states and 1121 transitions. Second operand 10 states. [2020-10-13 11:21:36,496 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:21:36,788 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:21:37,950 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:21:38,718 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-13 11:21:39,885 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:21:53,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:21:53,669 INFO L93 Difference]: Finished difference Result 1659 states and 2696 transitions. [2020-10-13 11:21:53,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:21:53,670 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-13 11:21:53,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:21:53,680 INFO L225 Difference]: With dead ends: 1659 [2020-10-13 11:21:53,681 INFO L226 Difference]: Without dead ends: 982 [2020-10-13 11:21:53,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:21:53,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2020-10-13 11:21:53,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 730. [2020-10-13 11:21:53,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2020-10-13 11:21:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1120 transitions. [2020-10-13 11:21:53,959 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1120 transitions. Word has length 121 [2020-10-13 11:21:53,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:21:53,961 INFO L479 AbstractCegarLoop]: Abstraction has 730 states and 1120 transitions. [2020-10-13 11:21:53,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:21:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1120 transitions. [2020-10-13 11:21:53,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 11:21:53,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:21:53,969 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-10-13 11:21:53,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:21:53,970 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:21:53,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:21:53,970 INFO L82 PathProgramCache]: Analyzing trace with hash -251823970, now seen corresponding path program 1 times [2020-10-13 11:21:53,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:21:53,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [686895131] [2020-10-13 11:21:53,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:21:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:54,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:54,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:54,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:54,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:55,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:59,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:21:59,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 11:21:59,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:21:59,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 11:21:59,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:21:59,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:21:59,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 11:21:59,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:21:59,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,018 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-13 11:22:00,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:22:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:00,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 11:22:00,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:00,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:00,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:22:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:00,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:22:00,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:00,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:22:00,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:22:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:22:00,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:22:00,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:00,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:22:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:00,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:00,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:00,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:22:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:00,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:00,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:00,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:22:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:00,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:00,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:00,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:22:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:00,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:22:00,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:00,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:00,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:22:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:00,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:00,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:00,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:00,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 11:22:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:22:00,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:00,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:00,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:00,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:22:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:22:00,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:22:00,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:00,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:00,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:22:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:22:00,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:22:00,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-10-13 11:22:00,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:22:00,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:22:00,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:22:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:22:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:22:00,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:22:00,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:22:00,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:22:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:22:00,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:22:00,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:22:00,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:22:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:22:00,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:00,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:22:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:00,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:00,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:00,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:22:00,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:00,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:22:00,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:22:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:22:00,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:01,031 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:22:01,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:22:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:01,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:01,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:01,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:22:01,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:01,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:22:01,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:01,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:01,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:22:01,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:01,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:22:01,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:22:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:01,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:01,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:01,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:01,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:01,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:22:01,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:01,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:01,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 11:22:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:01,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:01,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:01,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:22:01,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:01,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:22:01,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:22:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:01,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:22:01,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:22:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:01,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:01,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:01,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:22:01,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:01,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:01,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:01,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:01,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:22:01,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:22:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:01,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:01,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:01,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:01,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:01,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:22:01,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:22:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:01,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:22:01,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 11:22:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:01,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:01,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:01,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:01,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:01,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:22:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:01,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:22:01,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 11:22:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:01,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:01,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:01,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:01,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:01,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:01,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:01,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:22:01,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:01,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:22:01,180 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:22:01,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [686895131] [2020-10-13 11:22:01,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:22:01,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:22:01,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156877527] [2020-10-13 11:22:01,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:22:01,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:22:01,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:22:01,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:22:01,183 INFO L87 Difference]: Start difference. First operand 730 states and 1120 transitions. Second operand 10 states. [2020-10-13 11:22:02,025 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:22:02,290 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:22:03,593 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:22:04,746 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:22:13,729 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:22:14,548 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-13 11:22:20,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:22:20,065 INFO L93 Difference]: Finished difference Result 1674 states and 2726 transitions. [2020-10-13 11:22:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:22:20,066 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 122 [2020-10-13 11:22:20,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:22:20,075 INFO L225 Difference]: With dead ends: 1674 [2020-10-13 11:22:20,076 INFO L226 Difference]: Without dead ends: 1001 [2020-10-13 11:22:20,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:22:20,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-10-13 11:22:20,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 744. [2020-10-13 11:22:20,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 11:22:20,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1139 transitions. [2020-10-13 11:22:20,255 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1139 transitions. Word has length 122 [2020-10-13 11:22:20,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:22:20,255 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1139 transitions. [2020-10-13 11:22:20,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:22:20,255 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1139 transitions. [2020-10-13 11:22:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-13 11:22:20,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:22:20,258 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-10-13 11:22:20,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:22:20,259 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:22:20,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:22:20,259 INFO L82 PathProgramCache]: Analyzing trace with hash -2044597983, now seen corresponding path program 1 times [2020-10-13 11:22:20,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:22:20,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2005104606] [2020-10-13 11:22:20,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:22:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:20,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:20,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:20,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:20,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:21,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:22,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:25,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:25,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 11:22:25,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:22:25,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 11:22:25,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:25,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:22:25,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:22:25,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:22:25,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:26,202 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-13 11:22:26,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:22:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:26,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:26,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:26,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:26,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 11:22:26,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:26,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:26,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:26,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:26,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:26,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:22:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:26,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:26,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:26,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:26,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:26,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:26,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:26,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:26,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:26,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:26,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:22:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:26,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:26,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:22:26,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:26,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:22:26,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:26,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:22:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:26,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:26,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:26,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:26,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:22:26,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:26,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:26,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:22:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:26,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:26,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:26,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:26,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:26,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:26,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:26,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:26,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:22:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:26,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:26,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:26,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:26,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:26,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:26,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:26,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:22:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:26,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:26,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:26,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:26,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:26,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:26,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:22:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:26,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:26,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:26,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:26,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:26,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:26,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 11:22:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:26,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:26,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:22:26,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:26,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:22:26,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:22:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:22:26,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:26,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:22:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:26,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:26,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:22:26,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:22:26,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:26,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:22:26,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:26,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:26,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:22:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:26,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:26,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:27,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:22:27,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:22:27,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-13 11:22:27,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:27,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:22:27,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:27,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:27,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:22:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:27,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:27,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:22:27,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:22:27,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:22:27,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:27,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:27,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:27,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:27,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:27,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:22:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:27,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:27,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:22:27,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:22:27,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:22:27,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:27,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:27,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:27,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:22:27,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:22:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:27,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:27,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:22:27,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:27,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:27,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:27,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:27,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:27,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:27,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:27,331 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:22:27,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 11:22:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:27,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:27,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:22:27,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:27,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:22:27,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:22:27,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:27,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:27,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:22:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:27,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:27,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:27,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:27,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:22:27,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:27,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:27,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:27,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:27,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:27,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 11:22:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:27,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:27,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:22:27,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:27,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:22:27,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:22:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:27,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:27,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:22:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:27,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:27,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:22:27,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:27,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:27,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:27,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:27,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:22:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:27,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:27,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:27,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:27,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:22:27,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:22:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:27,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:27,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 11:22:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:27,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:27,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:27,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:27,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:27,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:27,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:27,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:22:27,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:27,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 11:22:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:27,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:27,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:27,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:27,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:27,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:22:27,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:22:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:27,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:22:27,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2005104606] [2020-10-13 11:22:27,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:22:27,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:22:27,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272454078] [2020-10-13 11:22:27,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:22:27,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:22:27,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:22:27,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:22:27,430 INFO L87 Difference]: Start difference. First operand 744 states and 1139 transitions. Second operand 12 states. [2020-10-13 11:22:28,071 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:22:28,368 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:22:29,454 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:22:30,298 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-13 11:22:30,544 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-13 11:22:30,753 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-13 11:22:32,227 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:22:48,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:22:48,507 INFO L93 Difference]: Finished difference Result 1712 states and 2764 transitions. [2020-10-13 11:22:48,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:22:48,508 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 123 [2020-10-13 11:22:48,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:22:48,517 INFO L225 Difference]: With dead ends: 1712 [2020-10-13 11:22:48,518 INFO L226 Difference]: Without dead ends: 1001 [2020-10-13 11:22:48,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2020-10-13 11:22:48,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-10-13 11:22:48,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 744. [2020-10-13 11:22:48,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 11:22:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1136 transitions. [2020-10-13 11:22:48,753 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1136 transitions. Word has length 123 [2020-10-13 11:22:48,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:22:48,754 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1136 transitions. [2020-10-13 11:22:48,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:22:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1136 transitions. [2020-10-13 11:22:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 11:22:48,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:22:48,757 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-10-13 11:22:48,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:22:48,757 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:22:48,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:22:48,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1601910094, now seen corresponding path program 1 times [2020-10-13 11:22:48,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:22:48,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256003072] [2020-10-13 11:22:48,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:22:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:48,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:48,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:49,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:49,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:49,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:52,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:53,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:53,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:53,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 11:22:53,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:22:53,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:22:53,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:22:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 11:22:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:22:53,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:54,620 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-13 11:22:54,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:22:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:54,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:54,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:54,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:54,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 11:22:54,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:54,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:22:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:54,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:54,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:54,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:54,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:54,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:54,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:54,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:54,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:54,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:54,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:22:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:54,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:54,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:22:54,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:54,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:22:54,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:54,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:54,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:54,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:54,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:54,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:22:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:54,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:54,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:54,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:54,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:54,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:54,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:54,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:54,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:54,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:54,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:22:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:54,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:54,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:54,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:54,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:54,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:54,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:54,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:22:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:54,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:54,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:54,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:54,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:54,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:54,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:54,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:54,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:54,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:54,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:22:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:54,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:54,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:54,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:54,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:54,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:54,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:54,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:54,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:22:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:54,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:54,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:54,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:54,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:54,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:54,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:54,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:54,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:54,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:54,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 11:22:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:54,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:54,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:22:54,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:54,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:54,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:54,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:54,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:54,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:54,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:54,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:22:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:54,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:54,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:22:54,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:54,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:22:54,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:54,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:54,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 11:22:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:54,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:54,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:55,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:22:55,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:22:55,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-13 11:22:55,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:55,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:22:55,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:22:55,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:22:55,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:55,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:22:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:55,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:55,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:22:55,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:22:55,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:22:55,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:55,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:55,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:22:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:55,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:55,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:22:55,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:55,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:22:55,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:22:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:22:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:22:55,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:55,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:22:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:55,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:55,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:22:55,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:55,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:22:55,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:22:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:22:55,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:55,386 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:22:55,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 11:22:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:55,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:55,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:22:55,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:55,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:22:55,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:22:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:55,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:55,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:22:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:55,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:55,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:55,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:55,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:22:55,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:55,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:55,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:55,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:55,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 11:22:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:55,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:55,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:22:55,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:55,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:22:55,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:55,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:55,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:22:55,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:55,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:55,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:22:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:55,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:55,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:22:55,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:55,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:22:55,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:55,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:55,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:22:55,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:55,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:55,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:22:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:55,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:55,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:55,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:55,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:22:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:55,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:55,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 11:22:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:55,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:55,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:55,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:55,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:22:55,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:55,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:55,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:22:55,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:55,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:55,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 11:22:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:22:55,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:22:55,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:22:55,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:22:55,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:22:55,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:22:55,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:22:55,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:22:55,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:22:55,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:22:55,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:22:55,463 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:22:55,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256003072] [2020-10-13 11:22:55,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:22:55,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:22:55,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564167723] [2020-10-13 11:22:55,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:22:55,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:22:55,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:22:55,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:22:55,466 INFO L87 Difference]: Start difference. First operand 744 states and 1136 transitions. Second operand 10 states. [2020-10-13 11:22:56,100 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:22:56,354 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:22:57,631 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:22:58,965 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:23:08,798 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:23:09,617 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-13 11:23:18,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:23:18,081 INFO L93 Difference]: Finished difference Result 1654 states and 2664 transitions. [2020-10-13 11:23:18,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:23:18,082 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 124 [2020-10-13 11:23:18,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:23:18,090 INFO L225 Difference]: With dead ends: 1654 [2020-10-13 11:23:18,090 INFO L226 Difference]: Without dead ends: 1001 [2020-10-13 11:23:18,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:23:18,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-10-13 11:23:18,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 744. [2020-10-13 11:23:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 11:23:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1131 transitions. [2020-10-13 11:23:18,277 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1131 transitions. Word has length 124 [2020-10-13 11:23:18,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:23:18,277 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1131 transitions. [2020-10-13 11:23:18,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:23:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1131 transitions. [2020-10-13 11:23:18,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 11:23:18,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:23:18,280 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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 11:23:18,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:23:18,280 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:23:18,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:23:18,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1556091018, now seen corresponding path program 1 times [2020-10-13 11:23:18,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:23:18,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438183861] [2020-10-13 11:23:18,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:23:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:18,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:18,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:18,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:18,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:18,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:22,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:23,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:23,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-13 11:23:23,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:23:23,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 11:23:23,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 11:23:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:23:23,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,159 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-13 11:23:24,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:23:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:24,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:23:24,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:23:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:24,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:24,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:23:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:23:24,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:23:24,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:23:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:24,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:24,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:23:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:24,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:24,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:23:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:24,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:24,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:23:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:24,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:24,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:23:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:24,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:24,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 11:23:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:23:24,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:24,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:23:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:23:24,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:24,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 11:23:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:23:24,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:23:24,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-13 11:23:24,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:24,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:23:24,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:23:24,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:23:24,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:23:24,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:23:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:23:24,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:23:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:23:24,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:23:24,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:23:24,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:23:24,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:23:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:23:24,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:24,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,942 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:23:24,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 11:23:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:23:24,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:23:24,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:23:24,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:24,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:24,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 11:23:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:23:24,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:23:24,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:23:24,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:23:24,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:24,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:24,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 11:23:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:24,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:24,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:23:24,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:23:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:24,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:24,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:23:24,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:24,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:23:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:24,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:24,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:24,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:24,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:24,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:24,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:23:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:24,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:23:25,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438183861] [2020-10-13 11:23:25,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:23:25,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:23:25,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188003417] [2020-10-13 11:23:25,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:23:25,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:23:25,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:23:25,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:23:25,060 INFO L87 Difference]: Start difference. First operand 744 states and 1131 transitions. Second operand 10 states. [2020-10-13 11:23:25,538 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:23:25,812 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:23:27,029 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:23:27,876 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:23:28,964 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:23:42,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:23:42,291 INFO L93 Difference]: Finished difference Result 1692 states and 2726 transitions. [2020-10-13 11:23:42,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:23:42,292 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 125 [2020-10-13 11:23:42,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:23:42,299 INFO L225 Difference]: With dead ends: 1692 [2020-10-13 11:23:42,299 INFO L226 Difference]: Without dead ends: 1001 [2020-10-13 11:23:42,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:23:42,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-10-13 11:23:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 744. [2020-10-13 11:23:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 11:23:42,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1130 transitions. [2020-10-13 11:23:42,501 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1130 transitions. Word has length 125 [2020-10-13 11:23:42,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:23:42,501 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1130 transitions. [2020-10-13 11:23:42,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:23:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1130 transitions. [2020-10-13 11:23:42,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 11:23:42,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:23:42,504 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-10-13 11:23:42,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:23:42,505 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:23:42,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:23:42,505 INFO L82 PathProgramCache]: Analyzing trace with hash -2012215104, now seen corresponding path program 1 times [2020-10-13 11:23:42,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:23:42,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887423385] [2020-10-13 11:23:42,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:23:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:42,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:42,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:44,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:47,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:47,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-13 11:23:47,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:23:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:23:47,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-13 11:23:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:23:47,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,342 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-13 11:23:48,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:23:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:48,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 11:23:48,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:48,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:23:48,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:23:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:48,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:48,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:48,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:48,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:23:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:23:48,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:23:48,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:48,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:48,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:23:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:48,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:48,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:48,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:48,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:23:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:48,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:48,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:48,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:48,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:23:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:48,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:48,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:23:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:48,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:48,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:48,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:23:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:48,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:48,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:48,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 11:23:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:23:48,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:48,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:23:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:23:48,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:48,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:48,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:48,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 11:23:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 11:23:48,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:23:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-13 11:23:48,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:23:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:23:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:23:48,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:23:48,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:23:48,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:48,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:23:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:23:48,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:23:48,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:23:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:23:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 11:23:48,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:48,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:23:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:48,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:48,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:48,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:23:48,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:48,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:23:48,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:23:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:23:48,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:49,097 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:23:49,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 11:23:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:49,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:49,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:49,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:23:49,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:49,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:23:49,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:23:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:49,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:49,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:49,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:49,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:49,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:49,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:49,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:49,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 11:23:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:49,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:49,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:49,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:23:49,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:49,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:49,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:49,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:23:49,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:49,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:49,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:23:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:49,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:49,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:49,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:23:49,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:49,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:49,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:49,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:23:49,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:49,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:49,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:23:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:49,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:49,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:49,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:49,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:49,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:23:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:49,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 11:23:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:49,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:49,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:49,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:49,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:49,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:23:49,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:23:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:49,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:49,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:23:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:23:49,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:23:49,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:23:49,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:23:49,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:23:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:23:49,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:23:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:23:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:23:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:23:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:23:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:23:49,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887423385] [2020-10-13 11:23:49,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:23:49,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:23:49,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102516478] [2020-10-13 11:23:49,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:23:49,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:23:49,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:23:49,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:23:49,182 INFO L87 Difference]: Start difference. First operand 744 states and 1130 transitions. Second operand 10 states. [2020-10-13 11:23:49,710 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:23:49,971 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:23:51,219 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:23:52,326 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:24:01,874 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:24:02,696 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-13 11:24:08,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:24:08,826 INFO L93 Difference]: Finished difference Result 1654 states and 2658 transitions. [2020-10-13 11:24:08,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:24:08,826 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 126 [2020-10-13 11:24:08,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:24:08,833 INFO L225 Difference]: With dead ends: 1654 [2020-10-13 11:24:08,834 INFO L226 Difference]: Without dead ends: 1001 [2020-10-13 11:24:08,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:24:08,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-10-13 11:24:09,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 744. [2020-10-13 11:24:09,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 11:24:09,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1125 transitions. [2020-10-13 11:24:09,076 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1125 transitions. Word has length 126 [2020-10-13 11:24:09,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:24:09,077 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1125 transitions. [2020-10-13 11:24:09,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:24:09,077 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1125 transitions. [2020-10-13 11:24:09,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 11:24:09,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:24:09,080 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:24:09,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:24:09,080 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:24:09,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:24:09,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1168100310, now seen corresponding path program 1 times [2020-10-13 11:24:09,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:24:09,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767410306] [2020-10-13 11:24:09,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:24:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:09,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:09,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:09,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:09,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:09,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:12,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:14,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:14,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 11:24:14,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:24:14,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-13 11:24:14,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:14,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:14,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 11:24:14,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:24:14,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:15,018 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-13 11:24:15,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:15,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:24:15,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:24:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:15,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:15,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:24:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:24:15,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:24:15,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:15,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:15,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:24:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:15,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:15,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:24:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:15,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:15,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:24:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:15,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:15,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:24:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:15,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:15,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 11:24:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:24:15,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:15,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:24:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:15,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:15,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 11:24:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 11:24:15,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:24:15,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-10-13 11:24:15,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:24:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:24:15,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:24:15,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:15,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:15,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:24:15,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:24:15,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:24:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:24:15,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:24:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:24:15,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:24:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:24:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:15,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:15,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,844 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:24:15,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 11:24:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:24:15,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:24:15,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:24:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:15,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:15,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:24:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:24:15,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:15,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:24:15,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:15,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:15,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 11:24:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:15,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:15,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:24:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 11:24:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:15,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:15,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:24:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:24:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:15,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:15,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:15,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:15,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:15,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:15,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:15,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:15,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:24:15,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:15,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:24:15,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767410306] [2020-10-13 11:24:15,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:24:15,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:24:15,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674994106] [2020-10-13 11:24:15,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:24:15,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:24:15,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:24:15,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:24:15,950 INFO L87 Difference]: Start difference. First operand 744 states and 1125 transitions. Second operand 10 states. [2020-10-13 11:24:16,383 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:24:16,639 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:24:17,766 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:24:18,558 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-13 11:24:19,546 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:24:33,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:24:33,838 INFO L93 Difference]: Finished difference Result 1692 states and 2715 transitions. [2020-10-13 11:24:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:24:33,839 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 127 [2020-10-13 11:24:33,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:24:33,845 INFO L225 Difference]: With dead ends: 1692 [2020-10-13 11:24:33,845 INFO L226 Difference]: Without dead ends: 1001 [2020-10-13 11:24:33,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:24:33,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-10-13 11:24:34,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 744. [2020-10-13 11:24:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 11:24:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1124 transitions. [2020-10-13 11:24:34,106 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1124 transitions. Word has length 127 [2020-10-13 11:24:34,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:24:34,108 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1124 transitions. [2020-10-13 11:24:34,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:24:34,109 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1124 transitions. [2020-10-13 11:24:34,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 11:24:34,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:24:34,113 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:24:34,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 11:24:34,113 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:24:34,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:24:34,114 INFO L82 PathProgramCache]: Analyzing trace with hash 445977080, now seen corresponding path program 1 times [2020-10-13 11:24:34,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:24:34,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [885943799] [2020-10-13 11:24:34,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:24:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:34,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:34,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:34,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:34,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:36,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:39,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:39,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-13 11:24:39,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:24:39,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:24:39,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:39,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:39,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 11:24:39,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:24:39,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,038 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-13 11:24:40,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:40,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:24:40,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:24:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:40,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:40,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:24:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:24:40,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:24:40,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:40,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:40,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:40,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:24:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:40,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:40,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:24:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:40,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:40,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:40,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:24:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:40,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:40,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:24:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:40,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:40,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 11:24:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:24:40,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:40,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:24:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:40,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:40,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:40,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 11:24:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 11:24:40,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:24:40,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 526 [2020-10-13 11:24:40,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:24:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:24:40,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:40,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 11:24:40,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:24:40,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:24:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:24:40,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:40,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:24:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:24:40,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:24:40,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 11:24:40,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:24:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:40,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:24:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:40,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:40,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:40,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:40,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:40,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:40,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:40,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:40,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,079 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:24:41,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 11:24:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:24:41,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:24:41,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:24:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:41,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:41,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 11:24:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:24:41,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:41,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:24:41,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:41,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:41,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 11:24:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:41,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:41,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:24:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 11:24:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:41,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:41,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:24:41,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 11:24:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:41,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:41,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:41,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:41,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:41,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:41,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:24:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:41,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:41,144 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:24:41,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [885943799] [2020-10-13 11:24:41,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:24:41,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:24:41,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275141953] [2020-10-13 11:24:41,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:24:41,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:24:41,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:24:41,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:24:41,147 INFO L87 Difference]: Start difference. First operand 744 states and 1124 transitions. Second operand 10 states. [2020-10-13 11:24:41,675 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:24:41,953 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:24:43,162 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:24:43,985 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 411