/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:25:07,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:25:07,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:25:07,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:25:07,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:25:07,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:25:07,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:25:07,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:25:07,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:25:07,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:25:07,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:25:07,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:25:07,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:25:07,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:25:07,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:25:07,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:25:07,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:25:07,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:25:07,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:25:07,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:25:07,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:25:07,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:25:07,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:25:07,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:25:07,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:25:07,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:25:07,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:25:07,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:25:07,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:25:07,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:25:07,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:25:07,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:25:07,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:25:07,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:25:07,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:25:07,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:25:07,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:25:07,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:25:07,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:25:07,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:25:07,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:25:07,370 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 11:25:07,394 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:25:07,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:25:07,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:25:07,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:25:07,396 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:25:07,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:25:07,396 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:25:07,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:25:07,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:25:07,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:25:07,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:25:07,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:25:07,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:25:07,398 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:25:07,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:25:07,398 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:25:07,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:25:07,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:25:07,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:25:07,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:25:07,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:25:07,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:25:07,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:25:07,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:25:07,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:25:07,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:25:07,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:25:07,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:25:07,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:25:07,401 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 11:25:07,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:25:07,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:25:07,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:25:07,800 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:25:07,801 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:25:07,802 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product28.cil.c [2020-10-13 11:25:07,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6788da9b/15953d7bc5bb4fb3ba44a03c8597208d/FLAG213c94be0 [2020-10-13 11:25:08,481 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:25:08,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product28.cil.c [2020-10-13 11:25:08,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6788da9b/15953d7bc5bb4fb3ba44a03c8597208d/FLAG213c94be0 [2020-10-13 11:25:08,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6788da9b/15953d7bc5bb4fb3ba44a03c8597208d [2020-10-13 11:25:08,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:25:08,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:25:08,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:25:08,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:25:08,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:25:08,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:25:08" (1/1) ... [2020-10-13 11:25:08,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5d5e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:25:08, skipping insertion in model container [2020-10-13 11:25:08,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:25:08" (1/1) ... [2020-10-13 11:25:08,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:25:08,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:25:09,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:25:09,522 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:25:09,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:25:09,802 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:25:09,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:25:09 WrapperNode [2020-10-13 11:25:09,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:25:09,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:25:09,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:25:09,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:25:09,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:25:09" (1/1) ... [2020-10-13 11:25:09,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:25:09" (1/1) ... [2020-10-13 11:25:09,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:25:09" (1/1) ... [2020-10-13 11:25:09,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:25:09" (1/1) ... [2020-10-13 11:25:09,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:25:09" (1/1) ... [2020-10-13 11:25:09,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:25:09" (1/1) ... [2020-10-13 11:25:09,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:25:09" (1/1) ... [2020-10-13 11:25:10,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:25:10,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:25:10,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:25:10,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:25:10,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:25:09" (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 11:25:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:25:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:25:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:25:10,132 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:25:10,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:25:10,132 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:25:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:25:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:25:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:25:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:25:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:25:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:25:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:25:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:25:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:25:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:25:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:25:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:25:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:25:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:25:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:25:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:25:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:25:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:25:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:25:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:25:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:25:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 11:25:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-13 11:25:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-13 11:25:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-13 11:25:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:25:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:25:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:25:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:25:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:25:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:25:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:25:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:25:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:25:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:25:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:25:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:25:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:25:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:25:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:25:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:25:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:25:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:25:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:25:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:25:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:25:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:25:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:25:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:25:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:25:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:25:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:25:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:25:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:25:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:25:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:25:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:25:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:25:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:25:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:25:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-13 11:25:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:25:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-13 11:25:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:25:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:25:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-13 11:25:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-13 11:25:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:25:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:25:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:25:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:25:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:25:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:25:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:25:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:25:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:25:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:25:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:25:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:25:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:25:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:25:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:25:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:25:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:25:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:25:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:25:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:25:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:25:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:25:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:25:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:25:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:25:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:25:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:25:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:25:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:25:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:25:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:25:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:25:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:25:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 11:25:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-13 11:25:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:25:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:25:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:25:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:25:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:25:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:25:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:25:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:25:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:25:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:25:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:25:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:25:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-13 11:25:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-13 11:25:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:25:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:25:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:25:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:25:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:25:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:25:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:25:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:25:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:25:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:25:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:25:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:25:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:25:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:25:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:25:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-13 11:25:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-13 11:25:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:25:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:25:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:25:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:25:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:25:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:25:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:25:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:25:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:25:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:25:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:25:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:25:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:25:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:25:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:25:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-13 11:25:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-13 11:25:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:25:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:25:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:25:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:25:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:25:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:25:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:25:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:25:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:25:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:25:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:25:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:25:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:25:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:25:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:25:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:25:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:25:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:25:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:25:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:25:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:25:12,271 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:25:12,272 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:25:12,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:25:12 BoogieIcfgContainer [2020-10-13 11:25:12,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:25:12,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:25:12,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:25:12,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:25:12,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:25:08" (1/3) ... [2020-10-13 11:25:12,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c10320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:25:12, skipping insertion in model container [2020-10-13 11:25:12,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:25:09" (2/3) ... [2020-10-13 11:25:12,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c10320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:25:12, skipping insertion in model container [2020-10-13 11:25:12,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:25:12" (3/3) ... [2020-10-13 11:25:12,290 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product28.cil.c [2020-10-13 11:25:12,300 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:25:12,309 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:25:12,324 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:25:12,350 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:25:12,351 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:25:12,351 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:25:12,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:25:12,351 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:25:12,351 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:25:12,352 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:25:12,352 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:25:12,387 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states. [2020-10-13 11:25:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 11:25:12,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:25:12,408 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:25:12,408 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:25:12,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:25:12,415 INFO L82 PathProgramCache]: Analyzing trace with hash -837542985, now seen corresponding path program 1 times [2020-10-13 11:25:12,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:25:12,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272621896] [2020-10-13 11:25:12,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:25:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:13,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:13,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:13,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:13,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:13,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:14,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:15,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:17,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:17,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 11:25:17,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:25:17,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 11:25:17,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:17,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:17,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:25:17,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:25:17,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:25:18,993 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:25:18,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:19,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:19,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:19,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 11:25:19,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:19,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:19,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:19,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:25:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:19,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:19,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:19,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:19,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:25:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:19,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:19,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:19,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:19,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:19,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:19,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:19,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:25:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:19,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:19,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:19,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:19,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:19,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:19,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:19,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:19,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:19,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:19,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:25:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:19,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:19,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:19,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:19,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:25:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:19,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:19,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:19,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:19,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:19,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:19,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:19,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:19,388 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:25:19,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:25:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:19,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:20,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:24,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:24,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 11:25:24,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:25:24,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 11:25:24,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:24,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:24,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 11:25:24,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:25:24,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:24,588 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:25:24,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:24,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:24,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:24,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:24,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:24,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:24,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:25,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 11:25:25,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:25:25,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1148 [2020-10-13 11:25:25,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:25,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:25,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:25,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:25,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:25,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:25,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:25,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:25,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:25:25,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:25,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:25,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:25,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:25,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:25,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:25:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:25,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:25:25,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:25,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 11:25:25,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:25,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:25,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:25,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:25,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:25,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:25:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:25,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:25,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:25,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:25:25,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:25,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:25,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:25,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:25,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:25,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:25,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:25,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:25:25,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:25,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:25,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:25,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:25,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:25,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:25:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:26,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:26,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:26,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 11:25:26,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:25:26,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 997 [2020-10-13 11:25:26,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:26,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:26,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:25:26,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:25:26,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:26,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:26,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:26,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:26,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:26,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:26,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:26,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:25:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:25:26,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:26,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:25:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:26,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:27,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:25:27,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:27,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 11:25:27,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:25:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:27,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:27,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:25:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:27,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:27,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:27,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:27,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:25:27,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:27,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:27,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:27,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:27,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:27,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:27,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:27,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:27,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:27,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:27,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:27,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:27,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:25:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:27,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:27,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:25:27,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:27,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 11:25:27,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 11:25:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:27,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:27,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:27,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:27,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:25:27,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:27,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:25:27,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:27,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:27,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:27,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:27,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:27,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:27,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:27,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:27,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:27,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:27,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:27,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:27,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:27,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:27,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:25:27,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:27,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:25:27,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:27,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:27,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:27,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:27,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:27,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:27,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:27,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:27,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:27,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:27,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:27,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:27,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:27,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:27,360 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:25:27,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272621896] [2020-10-13 11:25:27,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:25:27,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:25:27,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96179847] [2020-10-13 11:25:27,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:25:27,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:25:27,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:25:27,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:25:27,396 INFO L87 Difference]: Start difference. First operand 803 states. Second operand 9 states. [2020-10-13 11:25:29,191 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:25:30,002 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-13 11:25:46,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:25:46,352 INFO L93 Difference]: Finished difference Result 1549 states and 2588 transitions. [2020-10-13 11:25:46,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:25:46,355 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-10-13 11:25:46,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:25:46,389 INFO L225 Difference]: With dead ends: 1549 [2020-10-13 11:25:46,390 INFO L226 Difference]: Without dead ends: 912 [2020-10-13 11:25:46,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:25:46,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-13 11:25:46,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 642. [2020-10-13 11:25:46,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2020-10-13 11:25:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1018 transitions. [2020-10-13 11:25:46,684 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1018 transitions. Word has length 116 [2020-10-13 11:25:46,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:25:46,684 INFO L479 AbstractCegarLoop]: Abstraction has 642 states and 1018 transitions. [2020-10-13 11:25:46,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:25:46,685 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1018 transitions. [2020-10-13 11:25:46,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 11:25:46,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:25:46,693 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:25:46,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:25:46,693 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:25:46,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:25:46,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1594115156, now seen corresponding path program 1 times [2020-10-13 11:25:46,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:25:46,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425085923] [2020-10-13 11:25:46,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:25:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:46,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:46,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:47,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:47,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:47,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:48,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:49,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:51,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:51,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 11:25:51,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:25:51,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-13 11:25:51,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:51,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:51,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-13 11:25:51,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:25:51,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:52,623 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:25:52,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:52,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:52,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:52,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:52,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:52,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 11:25:52,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:52,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:52,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:52,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:52,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:52,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:25:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:52,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:52,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:52,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:52,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:52,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:52,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:52,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:52,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:52,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:52,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:25:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:52,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:52,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:52,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:52,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:52,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:52,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:52,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:52,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:52,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:52,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:25:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:52,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:52,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:52,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:52,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:52,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:52,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:52,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:52,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:52,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:52,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:52,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:25:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:52,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:52,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:52,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:52,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:52,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:52,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:52,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:52,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:52,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:52,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:52,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:25:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:52,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:52,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:52,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:52,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:52,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:52,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:52,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:52,937 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:25:52,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:25:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:52,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:52,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:53,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:53,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:53,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:53,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:53,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:55,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:55,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:55,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:57,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:57,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 11:25:57,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:25:57,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:25:57,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:57,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:25:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:25:57,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,091 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:25:58,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:58,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:25:58,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:25:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-13 11:25:58,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:25:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:25:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:58,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:25:58,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:58,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:25:58,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:58,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:58,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:58,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:58,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:25:58,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:58,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:25:58,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:25:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 11:25:58,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:25:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:58,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:58,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:58,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:25:58,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:58,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:25:58,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:58,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:25:58,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:58,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:58,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:58,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:58,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:58,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:58,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:58,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:58,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 11:25:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:59,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:25:59,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:25:59,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 828 [2020-10-13 11:25:59,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:59,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:59,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 11:25:59,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:59,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:59,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:59,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:59,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:25:59,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:25:59,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:59,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:59,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:59,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:59,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:25:59,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:59,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:25:59,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:59,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:59,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:59,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:59,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:59,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:25:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:59,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:59,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:59,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:59,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:25:59,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:59,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:59,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:59,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:59,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:59,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:59,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:59,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:59,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:59,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 11:25:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:59,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:59,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:25:59,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:59,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:25:59,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:59,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:25:59,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:59,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:59,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:59,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:59,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:25:59,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:59,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:25:59,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:59,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:59,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:59,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:59,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:59,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:59,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:59,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:59,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:59,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:59,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:59,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:59,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:59,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:59,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:25:59,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:59,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:59,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:59,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:59,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:59,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:59,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:59,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:59,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:59,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:59,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:59,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:00,066 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-13 11:26:00,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425085923] [2020-10-13 11:26:00,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:26:00,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:26:00,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263444038] [2020-10-13 11:26:00,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:26:00,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:26:00,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:26:00,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:26:00,072 INFO L87 Difference]: Start difference. First operand 642 states and 1018 transitions. Second operand 9 states. [2020-10-13 11:26:01,620 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:26:18,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:26:18,522 INFO L93 Difference]: Finished difference Result 1529 states and 2543 transitions. [2020-10-13 11:26:18,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:26:18,523 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-13 11:26:18,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:26:18,533 INFO L225 Difference]: With dead ends: 1529 [2020-10-13 11:26:18,533 INFO L226 Difference]: Without dead ends: 912 [2020-10-13 11:26:18,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:26:18,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-13 11:26:18,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 642. [2020-10-13 11:26:18,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2020-10-13 11:26:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1013 transitions. [2020-10-13 11:26:18,766 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1013 transitions. Word has length 120 [2020-10-13 11:26:18,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:26:18,769 INFO L479 AbstractCegarLoop]: Abstraction has 642 states and 1013 transitions. [2020-10-13 11:26:18,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:26:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1013 transitions. [2020-10-13 11:26:18,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 11:26:18,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:26:18,775 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:26:18,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:26:18,776 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:26:18,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:26:18,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1995017236, now seen corresponding path program 1 times [2020-10-13 11:26:18,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:26:18,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [423673577] [2020-10-13 11:26:18,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:26:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:18,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:18,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:18,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:19,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:19,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:19,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:19,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:20,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:23,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:23,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 11:26:23,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:26:23,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:26:23,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:23,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:23,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:26:23,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:26:23,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:24,619 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:26:24,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:24,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:24,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:24,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:24,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 11:26:24,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:24,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:24,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:24,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:24,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:24,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:26:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:24,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:24,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:24,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:24,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:24,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:24,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:24,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:24,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:24,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:24,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:24,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:24,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:24,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:24,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:24,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:24,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:24,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:24,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:24,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:24,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:26:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:24,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:24,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:24,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:24,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:24,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:24,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:24,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:26:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:24,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:24,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:24,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:24,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:24,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:24,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:26:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:24,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:24,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:24,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:24,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:24,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:24,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:24,920 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:26:24,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:26:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:24,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:25,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:25,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:25,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:25,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:29,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:29,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 11:26:29,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:26:29,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:26:29,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:29,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:29,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-13 11:26:29,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:26:29,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:30,140 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:26:30,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:30,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 11:26:30,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:26:30,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 691 [2020-10-13 11:26:30,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:30,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:30,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:30,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:26:30,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:30,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:26:30,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:30,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:30,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:30,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:26:30,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:26:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:30,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:26:30,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:30,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 11:26:30,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:30,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:30,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:30,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:30,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:30,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:26:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:30,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:30,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:30,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:30,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:30,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:26:30,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:30,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:30,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:30,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:30,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:30,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:26:30,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 11:26:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:30,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 11:26:31,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:26:31,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 533 [2020-10-13 11:26:31,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:31,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:26:31,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:26:31,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:31,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:26:31,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:31,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:31,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:31,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:26:31,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:26:31,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:26:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:31,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:26:31,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:31,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:26:31,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:31,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 11:26:31,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:31,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:26:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:31,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:31,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:31,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:31,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:31,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:31,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:31,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:31,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:31,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:26:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:31,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:26:31,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:31,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:26:31,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:31,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:26:31,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:31,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:31,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:26:31,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:31,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:26:31,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:31,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:31,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:31,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:31,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:31,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:31,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:26:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:31,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:26:31,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:31,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:31,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:31,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:31,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:31,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:31,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:31,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:31,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:26:31,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [423673577] [2020-10-13 11:26:31,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:26:31,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:26:31,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145788115] [2020-10-13 11:26:31,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:26:31,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:26:31,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:26:31,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:26:31,782 INFO L87 Difference]: Start difference. First operand 642 states and 1013 transitions. Second operand 9 states. [2020-10-13 11:26:33,090 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:26:33,890 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-13 11:26:46,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:26:46,857 INFO L93 Difference]: Finished difference Result 1526 states and 2526 transitions. [2020-10-13 11:26:46,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:26:46,858 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-10-13 11:26:46,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:26:46,866 INFO L225 Difference]: With dead ends: 1526 [2020-10-13 11:26:46,866 INFO L226 Difference]: Without dead ends: 912 [2020-10-13 11:26:46,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:26:46,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-13 11:26:47,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 642. [2020-10-13 11:26:47,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2020-10-13 11:26:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1012 transitions. [2020-10-13 11:26:47,014 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1012 transitions. Word has length 122 [2020-10-13 11:26:47,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:26:47,015 INFO L479 AbstractCegarLoop]: Abstraction has 642 states and 1012 transitions. [2020-10-13 11:26:47,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:26:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1012 transitions. [2020-10-13 11:26:47,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 11:26:47,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:26:47,017 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:26:47,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:26:47,018 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:26:47,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:26:47,018 INFO L82 PathProgramCache]: Analyzing trace with hash -991254290, now seen corresponding path program 1 times [2020-10-13 11:26:47,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:26:47,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665813213] [2020-10-13 11:26:47,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:26:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:47,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:47,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:47,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:47,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:47,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:47,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:47,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:52,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:52,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 11:26:52,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:26:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:26:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:26:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:53,003 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:26:53,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:53,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:53,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:53,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:53,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:53,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:26:53,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:53,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:53,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:53,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:53,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:53,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:26:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:53,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:53,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:53,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:53,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:53,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:53,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:53,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:53,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:53,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:53,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:53,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:53,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:53,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:53,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:53,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:53,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:53,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:53,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:53,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:26:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:53,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:53,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:53,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:53,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:53,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:53,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:53,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:53,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:53,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:53,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:53,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:26:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:53,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:53,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:53,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:53,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:53,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:53,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:53,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:53,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:53,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:53,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:26:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:53,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:53,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:53,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:53,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:53,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:53,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:53,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:53,263 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:26:53,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:26:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:53,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:53,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:53,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:53,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:53,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:53,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:58,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:58,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 11:26:58,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:26:58,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:26:58,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:26:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:58,417 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:26:58,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:58,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:58,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:58,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:58,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:58,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:26:59,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:26:59,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 616 [2020-10-13 11:26:59,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:59,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:26:59,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:59,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:59,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:59,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:26:59,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:59,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:26:59,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:59,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:26:59,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 11:26:59,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:26:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:59,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:59,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:26:59,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:26:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:26:59,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:59,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:59,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:59,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 11:26:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:26:59,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:26:59,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-13 11:26:59,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 11:26:59,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:59,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:59,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:59,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:26:59,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:59,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:26:59,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:26:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:59,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:59,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:59,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:59,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:59,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:59,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:59,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:59,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 11:26:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:26:59,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:59,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:26:59,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:26:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:26:59,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:59,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:26:59,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:59,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:59,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:59,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:59,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:26:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:26:59,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:59,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:59,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:59,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:59,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:59,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:59,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:59,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:59,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:59,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:59,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:59,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:59,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:59,602 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:26:59,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665813213] [2020-10-13 11:26:59,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:26:59,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:26:59,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646044615] [2020-10-13 11:26:59,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:26:59,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:26:59,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:26:59,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:26:59,604 INFO L87 Difference]: Start difference. First operand 642 states and 1012 transitions. Second operand 9 states. [2020-10-13 11:27:01,030 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:27:14,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:27:14,317 INFO L93 Difference]: Finished difference Result 1529 states and 2531 transitions. [2020-10-13 11:27:14,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:27:14,318 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-13 11:27:14,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:27:14,326 INFO L225 Difference]: With dead ends: 1529 [2020-10-13 11:27:14,326 INFO L226 Difference]: Without dead ends: 912 [2020-10-13 11:27:14,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:27:14,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-13 11:27:14,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 642. [2020-10-13 11:27:14,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2020-10-13 11:27:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1007 transitions. [2020-10-13 11:27:14,514 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1007 transitions. Word has length 124 [2020-10-13 11:27:14,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:27:14,515 INFO L479 AbstractCegarLoop]: Abstraction has 642 states and 1007 transitions. [2020-10-13 11:27:14,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:27:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1007 transitions. [2020-10-13 11:27:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 11:27:14,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:27:14,518 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:27:14,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:27:14,518 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:27:14,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:27:14,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1063068616, now seen corresponding path program 1 times [2020-10-13 11:27:14,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:27:14,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889901465] [2020-10-13 11:27:14,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:27:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:14,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:14,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:14,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:14,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:14,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:16,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:17,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:19,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:19,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:19,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:19,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 11:27:19,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:27:19,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 11:27:19,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:19,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:19,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:27:19,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:27:19,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:20,334 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:20,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:20,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:20,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:20,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:20,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:20,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 11:27:20,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:20,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:20,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:27:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:20,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:20,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:20,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:20,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:20,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:20,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:20,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:20,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:20,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:20,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:20,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:20,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:20,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:20,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:20,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:20,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:27:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:20,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:20,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:20,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:20,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:20,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:20,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:20,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:27:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:20,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:20,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:20,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:20,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:20,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:20,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:20,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:20,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:27:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:20,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:20,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:20,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:20,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:20,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:20,678 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:27:20,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:27:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:20,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:20,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:20,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:20,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:20,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:22,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:22,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:22,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:25,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:25,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 11:27:25,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:27:25,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 11:27:25,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:27:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:27:25,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:25,831 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:27:25,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:25,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:25,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:25,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:25,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:25,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:27:26,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:27:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-13 11:27:26,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:26,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:27:26,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:27:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:27:26,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:26,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:27:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:27:26,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:26,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:26,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:27:26,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:27:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:26,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:26,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:26,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:26,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:27:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:27:26,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:27:26,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-13 11:27:26,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:27:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:27:26,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:26,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:26,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:27:26,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:26,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:26,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:26,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:26,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:26,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:26,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 11:27:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:27:26,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:27:26,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:27:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:27:26,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:27:26,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:26,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:26,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:27:26,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:26,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:26,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:26,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:26,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:26,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:26,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:26,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:26,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:26,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:27:26,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889901465] [2020-10-13 11:27:26,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:27:26,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:27:26,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523036788] [2020-10-13 11:27:26,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:27:26,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:27:26,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:27:26,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:27:26,899 INFO L87 Difference]: Start difference. First operand 642 states and 1007 transitions. Second operand 9 states. [2020-10-13 11:27:28,517 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:27:29,301 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-13 11:27:31,374 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:27:44,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:27:44,007 INFO L93 Difference]: Finished difference Result 1533 states and 2520 transitions. [2020-10-13 11:27:44,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 11:27:44,007 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 126 [2020-10-13 11:27:44,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:27:44,017 INFO L225 Difference]: With dead ends: 1533 [2020-10-13 11:27:44,017 INFO L226 Difference]: Without dead ends: 921 [2020-10-13 11:27:44,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:27:44,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-10-13 11:27:44,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 651. [2020-10-13 11:27:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-13 11:27:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1019 transitions. [2020-10-13 11:27:44,156 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1019 transitions. Word has length 126 [2020-10-13 11:27:44,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:27:44,157 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 1019 transitions. [2020-10-13 11:27:44,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:27:44,157 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1019 transitions. [2020-10-13 11:27:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 11:27:44,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:27:44,159 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:27:44,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:27:44,160 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:27:44,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:27:44,160 INFO L82 PathProgramCache]: Analyzing trace with hash 412516918, now seen corresponding path program 1 times [2020-10-13 11:27:44,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:27:44,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212468720] [2020-10-13 11:27:44,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:27:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:44,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:44,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:44,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:44,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:44,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:45,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:49,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:49,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 11:27:49,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:27:49,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-13 11:27:49,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:49,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:49,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:27:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:49,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:49,996 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:49,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:50,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:50,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:50,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:50,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:27:50,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:50,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:50,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:50,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:27:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:50,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:50,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:50,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:50,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:50,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:50,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:50,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:50,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:50,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:50,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:27:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:50,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:50,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:50,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:50,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:50,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:27:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:50,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:50,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:50,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:50,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:50,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:27:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:50,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:50,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:50,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:50,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:50,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:50,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:50,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:50,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:50,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:50,249 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:27:50,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:27:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:50,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:51,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:51,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:55,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 11:27:55,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:27:55,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:27:55,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:55,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:55,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 11:27:55,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:55,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:55,405 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:27:55,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:55,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:55,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:27:55,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:27:55,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 459 [2020-10-13 11:27:55,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:55,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:55,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:27:55,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:55,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:55,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:55,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:55,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:27:55,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:55,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:55,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:27:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:27:55,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:55,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:27:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:55,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:55,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:55,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:27:55,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:27:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:55,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:55,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:55,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:55,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:55,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:55,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:55,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:55,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:55,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:55,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:55,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:55,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:55,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:55,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:55,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:55,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:55,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:55,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:27:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:56,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:56,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:27:56,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:27:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-13 11:27:56,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:27:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:56,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:56,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:56,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:27:56,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:56,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:56,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:56,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:56,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:56,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:56,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:56,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:56,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:56,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:56,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:56,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:27:56,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:56,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:56,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:56,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:56,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:56,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:56,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:56,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:56,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:56,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:56,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:56,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:56,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:56,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:56,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:56,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:56,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:56,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:56,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:56,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 11:27:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:56,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:56,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:27:56,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:56,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:27:56,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:56,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:56,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:27:56,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:56,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:56,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:56,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:56,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:27:56,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:56,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:27:56,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:56,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:56,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:56,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:56,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:56,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:56,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:56,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:56,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:56,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:56,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:56,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:56,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:56,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:56,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:27:56,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:56,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:56,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:56,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:56,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:56,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:56,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:56,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:56,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:56,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:56,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:27:56,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212468720] [2020-10-13 11:27:56,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:27:56,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:27:56,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234013948] [2020-10-13 11:27:56,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:27:56,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:27:56,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:27:56,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:27:56,408 INFO L87 Difference]: Start difference. First operand 651 states and 1019 transitions. Second operand 9 states. [2020-10-13 11:27:57,646 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:27:58,437 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-13 11:28:00,064 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:28:13,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:28:13,105 INFO L93 Difference]: Finished difference Result 1535 states and 2521 transitions. [2020-10-13 11:28:13,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 11:28:13,106 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 127 [2020-10-13 11:28:13,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:28:13,114 INFO L225 Difference]: With dead ends: 1535 [2020-10-13 11:28:13,115 INFO L226 Difference]: Without dead ends: 921 [2020-10-13 11:28:13,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:28:13,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-10-13 11:28:13,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 651. [2020-10-13 11:28:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-13 11:28:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1018 transitions. [2020-10-13 11:28:13,353 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1018 transitions. Word has length 127 [2020-10-13 11:28:13,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:28:13,354 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 1018 transitions. [2020-10-13 11:28:13,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:28:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1018 transitions. [2020-10-13 11:28:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 11:28:13,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:28:13,358 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:28:13,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:28:13,358 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:28:13,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:28:13,358 INFO L82 PathProgramCache]: Analyzing trace with hash -46767220, now seen corresponding path program 1 times [2020-10-13 11:28:13,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:28:13,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1706383402] [2020-10-13 11:28:13,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:28:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:13,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:13,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:13,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:13,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:13,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:14,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:18,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:18,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 11:28:18,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:18,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 11:28:18,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:18,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:18,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:28:18,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:28:18,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:19,189 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:28:19,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:19,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:28:19,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:19,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:28:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:19,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:19,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:19,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:19,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:19,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:19,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:28:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:19,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:19,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:19,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:28:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:19,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:19,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:19,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:19,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:19,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:19,443 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:28:19,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:28:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:24,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 11:28:24,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:24,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:28:24,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:24,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:24,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 11:28:24,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:28:24,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:24,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:24,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:24,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 11:28:24,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:24,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 11:28:24,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:28:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:28:24,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:24,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:24,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:24,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 11:28:24,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:24,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:24,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:24,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:24,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:28:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:24,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:24,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:28:24,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:28:24,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:28:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 11:28:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:24,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:28:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:24,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:24,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:28:24,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:24,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:28:24,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:24,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:28:24,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:24,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:28:24,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:24,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:24,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:24,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:24,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:24,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:24,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:24,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:24,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:24,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 11:28:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:24,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:24,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:28:24,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:28:24,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-13 11:28:24,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:28:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:24,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:24,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:24,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:24,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:28:24,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:24,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:24,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:24,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:24,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:24,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:24,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:28:24,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:24,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:28:24,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:24,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:24,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:24,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:24,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:24,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:28:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:25,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:25,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:25,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:28:25,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:25,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:25,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:25,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:25,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:25,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:25,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:25,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:25,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:25,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:25,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:25,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:25,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:25,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:25,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:25,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:25,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 11:28:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:25,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:25,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:25,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:28:25,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:25,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:28:25,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:25,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:25,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:28:25,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:25,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:25,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:25,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:25,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:25,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:28:25,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:25,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:28:25,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:25,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:25,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:25,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:25,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:25,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:25,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:25,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:25,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:25,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:25,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:28:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:25,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:25,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:25,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:28:25,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:25,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:25,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:25,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:25,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:25,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:25,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:25,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:25,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:25,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:25,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:25,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:25,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:25,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:25,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:25,158 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:28:25,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1706383402] [2020-10-13 11:28:25,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:28:25,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:28:25,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981109685] [2020-10-13 11:28:25,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:28:25,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:28:25,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:28:25,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:28:25,160 INFO L87 Difference]: Start difference. First operand 651 states and 1018 transitions. Second operand 9 states. [2020-10-13 11:28:26,951 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:28:28,784 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:28:29,575 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-13 11:28:42,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:28:42,930 INFO L93 Difference]: Finished difference Result 1562 states and 2566 transitions. [2020-10-13 11:28:42,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:28:42,931 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2020-10-13 11:28:42,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:28:42,939 INFO L225 Difference]: With dead ends: 1562 [2020-10-13 11:28:42,939 INFO L226 Difference]: Without dead ends: 952 [2020-10-13 11:28:42,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:28:42,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2020-10-13 11:28:43,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 675. [2020-10-13 11:28:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2020-10-13 11:28:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1047 transitions. [2020-10-13 11:28:43,099 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1047 transitions. Word has length 128 [2020-10-13 11:28:43,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:28:43,099 INFO L479 AbstractCegarLoop]: Abstraction has 675 states and 1047 transitions. [2020-10-13 11:28:43,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:28:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1047 transitions. [2020-10-13 11:28:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 11:28:43,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:28:43,102 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:28:43,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:28:43,102 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:28:43,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:28:43,102 INFO L82 PathProgramCache]: Analyzing trace with hash -323936530, now seen corresponding path program 1 times [2020-10-13 11:28:43,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:28:43,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394770836] [2020-10-13 11:28:43,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:28:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:43,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:43,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:43,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:43,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:43,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:44,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:48,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:48,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-13 11:28:48,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:48,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 11:28:48,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:48,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:28:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:28:48,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:48,971 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:28:48,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:48,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:49,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:49,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:49,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:49,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:28:49,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:49,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:49,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:49,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:49,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:49,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:28:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:49,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:49,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:49,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:49,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:49,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:49,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:49,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:49,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:49,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:49,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:49,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:49,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:49,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:49,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:49,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:49,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:49,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:49,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:49,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:28:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:49,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:49,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:49,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:49,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:49,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:49,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:49,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:49,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:28:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:49,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:49,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:49,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:49,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:49,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:49,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:49,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:49,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:49,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:49,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:49,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:49,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:49,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:49,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:49,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:49,228 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:28:49,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:28:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:49,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:49,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:49,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:49,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:49,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking...