/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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:52:38,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:52:38,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:52:38,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:52:38,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:52:38,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:52:38,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:52:38,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:52:38,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:52:38,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:52:38,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:52:38,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:52:38,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:52:38,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:52:38,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:52:38,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:52:38,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:52:38,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:52:38,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:52:38,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:52:38,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:52:38,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:52:38,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:52:38,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:52:38,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:52:38,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:52:38,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:52:38,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:52:38,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:52:38,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:52:38,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:52:38,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:52:38,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:52:38,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:52:38,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:52:38,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:52:38,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:52:38,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:52:38,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:52:38,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:52:38,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:52:38,382 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 [2020-10-12 16:52:38,404 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:52:38,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:52:38,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:52:38,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:52:38,405 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:52:38,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:52:38,406 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:52:38,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:52:38,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:52:38,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:52:38,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:52:38,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:52:38,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:52:38,407 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:52:38,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:52:38,408 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:52:38,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:52:38,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:52:38,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:52:38,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:52:38,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:52:38,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:52:38,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:52:38,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:52:38,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:52:38,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:52:38,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:52:38,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:52:38,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:52:38,410 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:52:38,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:52:38,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:52:38,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:52:38,764 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:52:38,764 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:52:38,765 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product31.cil.c [2020-10-12 16:52:38,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c4cf8181/792e711d9ff24b83bf9cc2fd77d79ff7/FLAG90113ad80 [2020-10-12 16:52:39,440 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:52:39,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product31.cil.c [2020-10-12 16:52:39,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c4cf8181/792e711d9ff24b83bf9cc2fd77d79ff7/FLAG90113ad80 [2020-10-12 16:52:39,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c4cf8181/792e711d9ff24b83bf9cc2fd77d79ff7 [2020-10-12 16:52:39,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:52:39,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:52:39,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:52:39,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:52:39,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:52:39,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:52:39" (1/1) ... [2020-10-12 16:52:39,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53254202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:39, skipping insertion in model container [2020-10-12 16:52:39,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:52:39" (1/1) ... [2020-10-12 16:52:39,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:52:39,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:52:40,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:52:40,438 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:52:40,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:52:40,671 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:52:40,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:40 WrapperNode [2020-10-12 16:52:40,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:52:40,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:52:40,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:52:40,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:52:40,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:40" (1/1) ... [2020-10-12 16:52:40,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:40" (1/1) ... [2020-10-12 16:52:40,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:40" (1/1) ... [2020-10-12 16:52:40,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:40" (1/1) ... [2020-10-12 16:52:40,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:40" (1/1) ... [2020-10-12 16:52:40,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:40" (1/1) ... [2020-10-12 16:52:40,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:40" (1/1) ... [2020-10-12 16:52:40,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:52:40,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:52:40,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:52:40,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:52:40,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:40" (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 [2020-10-12 16:52:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:52:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:52:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:52:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:52:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:52:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:52:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:52:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:52:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:52:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:52:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:52:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:52:40,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:52:40,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:52:40,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:52:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:52:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:52:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:52:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:52:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:52:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:52:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:52:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:52:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:52:40,993 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:52:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:52:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:52:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:52:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:52:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:52:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:52:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:52:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:52:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:52:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:52:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:52:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-12 16:52:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:52:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:52:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:52:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:52:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:52:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:52:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:52:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:52:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:52:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:52:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:52:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-12 16:52:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:52:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:52:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:52:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:52:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-12 16:52:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:52:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:52:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:52:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:52:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:52:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:52:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:52:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:52:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:52:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:52:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:52:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:52:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:52:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:52:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:52:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:52:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:52:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:52:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:52:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:52:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:52:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:52:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:52:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:52:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:52:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:52:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:52:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:52:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:52:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:52:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:52:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:52:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:52:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:52:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:52:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:52:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:52:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:52:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:52:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:52:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:52:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:52:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:52:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:52:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:52:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:52:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:52:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:52:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:52:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:52:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:52:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:52:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:52:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:52:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:52:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:52:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:52:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:52:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:52:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:52:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:52:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:52:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:52:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:52:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:52:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:52:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:52:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:52:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:52:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:52:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:52:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:52:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:52:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:52:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:52:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:52:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:52:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:52:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:52:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:52:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:52:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:52:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:52:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:52:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:52:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:52:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-12 16:52:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:52:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:52:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:52:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:52:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:52:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-12 16:52:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:52:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:52:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:52:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-12 16:52:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:52:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:52:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:52:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:52:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:52:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:52:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:52:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:52:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:52:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:52:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:52:43,209 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:52:43,209 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:52:43,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:52:43 BoogieIcfgContainer [2020-10-12 16:52:43,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:52:43,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:52:43,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:52:43,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:52:43,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:52:39" (1/3) ... [2020-10-12 16:52:43,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6cf4e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:52:43, skipping insertion in model container [2020-10-12 16:52:43,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:40" (2/3) ... [2020-10-12 16:52:43,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6cf4e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:52:43, skipping insertion in model container [2020-10-12 16:52:43,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:52:43" (3/3) ... [2020-10-12 16:52:43,238 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product31.cil.c [2020-10-12 16:52:43,248 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:52:43,259 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:52:43,273 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:52:43,306 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:52:43,307 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:52:43,307 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:52:43,307 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:52:43,307 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:52:43,307 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:52:43,307 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:52:43,307 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:52:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states. [2020-10-12 16:52:43,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-12 16:52:43,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:52:43,413 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:52:43,413 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:52:43,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:52:43,421 INFO L82 PathProgramCache]: Analyzing trace with hash -734738765, now seen corresponding path program 1 times [2020-10-12 16:52:43,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:52:43,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479556194] [2020-10-12 16:52:43,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:52:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:44,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:44,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:44,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:45,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:46,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 16:52:48,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:52:48,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 16:52:48,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:52:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:52:48,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-12 16:52:48,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:52:50,360 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:52:50,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:52:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:50,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:50,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:50,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:50,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:50,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-12 16:52:50,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:50,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:50,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:50,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:52:50,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:50,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:52:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:50,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:50,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:50,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:52:50,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:50,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:50,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:52:50,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:50,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:52:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:50,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:50,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:50,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:52:50,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:50,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:50,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:52:50,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:50,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:52:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:50,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:50,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:50,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:50,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:50,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:52:50,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:52:50,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:50,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:52:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:50,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:50,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:50,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:52:50,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:50,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:52:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:50,782 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:52:50,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:52:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:50,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:50,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:50,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:52:50,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:50,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-12 16:52:50,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:50,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:52:50,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:50,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:52:50,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:51,131 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:52:51,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:51,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:51,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:51,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:51,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:51,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 16:52:51,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:51,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:51,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:51,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:52:51,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:51,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:52:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:51,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:51,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:51,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:51,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:51,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:52:51,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:52:51,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 529 [2020-10-12 16:52:51,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:52:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:52:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:52:51,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:51,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:51,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:51,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:51,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:52:51,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:51,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:52:51,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:52:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:52:51,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:51,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:52:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:51,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:51,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:51,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:51,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:52:51,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:52:51,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 16:52:51,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:51,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:52:51,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:52:51,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:52:51,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:52,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:52:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:52:52,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:52:52,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:52:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:52:52,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:52:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:52:52,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:52:52,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:52:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:52,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:52:52,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:52,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:52:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:52,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:52:52,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:52,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:52,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:52:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:52:52,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 16:52:52,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:52:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 16:52:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:52:52,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:52:52,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:52,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:52,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:52:52,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:52:52,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:52,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:52,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:52,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:52:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:52,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:52,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:52:52,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:52,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:52:52,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:52:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:52:52,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:52:52,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:52,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 16:52:52,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:52,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:52:52,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:52,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:52,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:52,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:52,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:52:52,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:52:52,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:52:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:52,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:52:52,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:52,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:52:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:52:52,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:52:52,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:52:52,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:52,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 16:52:52,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 16:52:52,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:52,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:52:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:52,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:52,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:52,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:52,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:52,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:52:52,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:52:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:52,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-12 16:52:52,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479556194] [2020-10-12 16:52:52,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:52:52,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 16:52:52,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644962342] [2020-10-12 16:52:52,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 16:52:52,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:52:52,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 16:52:52,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:52:52,508 INFO L87 Difference]: Start difference. First operand 837 states. Second operand 23 states. [2020-10-12 16:52:55,044 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:52:55,815 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2020-10-12 16:52:57,284 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 386 DAG size of output: 385 [2020-10-12 16:52:59,050 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 388 DAG size of output: 387 [2020-10-12 16:53:00,597 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 388 DAG size of output: 387 [2020-10-12 16:53:02,123 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 388 DAG size of output: 387 [2020-10-12 16:53:03,722 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 389 DAG size of output: 388 [2020-10-12 16:53:05,261 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 391 DAG size of output: 390 [2020-10-12 16:53:06,792 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 389 DAG size of output: 388 [2020-10-12 16:53:08,357 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 391 DAG size of output: 390 [2020-10-12 16:53:09,952 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 389 DAG size of output: 388 [2020-10-12 16:53:11,537 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 152 [2020-10-12 16:53:12,967 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 388 DAG size of output: 387 [2020-10-12 16:53:15,732 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 388 DAG size of output: 387 [2020-10-12 16:53:17,136 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 388 DAG size of output: 387 [2020-10-12 16:53:19,152 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2020-10-12 16:53:21,992 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-10-12 16:53:24,077 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2020-10-12 16:53:25,778 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-10-12 16:53:27,238 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 383 DAG size of output: 382 [2020-10-12 16:53:28,361 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:53:28,536 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:53:29,343 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 16:53:30,149 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:53:30,404 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 16:53:31,160 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:53:35,001 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:53:35,779 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:53:36,844 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 16:53:40,380 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:53:41,149 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:53:43,209 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:53:46,300 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-12 16:53:47,532 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 16:53:50,126 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:53:51,274 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:53:51,986 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:53:52,562 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:53:52,756 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 16:53:53,493 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:53:54,213 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:54:00,799 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:54:01,562 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:54:02,325 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:54:03,098 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:54:04,483 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 385 DAG size of output: 384 [2020-10-12 16:54:05,924 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 385 DAG size of output: 384 [2020-10-12 16:54:06,645 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 149 [2020-10-12 16:54:07,336 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-10-12 16:54:09,057 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-10-12 16:54:10,211 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:54:10,847 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:54:11,631 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:54:16,043 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 152 [2020-10-12 16:54:17,601 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:54:18,705 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:54:27,388 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:54:28,224 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:54:29,008 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:54:29,835 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:54:30,646 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:54:31,482 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:54:32,336 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:54:33,210 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:54:34,805 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:54:35,617 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:54:36,386 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:54:37,210 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:54:38,000 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:54:38,825 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:54:39,685 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:54:40,543 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:54:43,630 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:54:44,474 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:54:45,286 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:54:46,179 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:54:47,005 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:54:47,884 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:54:48,807 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:54:49,773 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:54:53,090 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:54:53,907 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:54:54,665 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:54:55,477 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:54:56,274 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:54:57,078 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:54:57,931 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:54:58,757 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:55:08,185 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-10-12 16:55:23,500 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 385 DAG size of output: 384 [2020-10-12 16:55:24,983 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 385 DAG size of output: 384 [2020-10-12 16:55:26,376 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 385 DAG size of output: 384 [2020-10-12 16:55:27,996 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 386 DAG size of output: 385 [2020-10-12 16:55:29,445 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 388 DAG size of output: 387 [2020-10-12 16:55:30,929 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 386 DAG size of output: 385 [2020-10-12 16:55:32,451 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 388 DAG size of output: 387 [2020-10-12 16:55:33,939 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 386 DAG size of output: 385 [2020-10-12 16:55:54,228 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-10-12 16:55:56,879 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 385 DAG size of output: 384 [2020-10-12 16:56:16,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:56:16,714 INFO L93 Difference]: Finished difference Result 6645 states and 12209 transitions. [2020-10-12 16:56:16,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2020-10-12 16:56:16,716 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 141 [2020-10-12 16:56:16,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:56:16,810 INFO L225 Difference]: With dead ends: 6645 [2020-10-12 16:56:16,810 INFO L226 Difference]: Without dead ends: 5847 [2020-10-12 16:56:16,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19591 ImplicationChecksByTransitivity, 82.8s TimeCoverageRelationStatistics Valid=5770, Invalid=40240, Unknown=0, NotChecked=0, Total=46010 [2020-10-12 16:56:16,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5847 states. [2020-10-12 16:56:17,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5847 to 3757. [2020-10-12 16:56:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3757 states. [2020-10-12 16:56:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 6013 transitions. [2020-10-12 16:56:17,901 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 6013 transitions. Word has length 141 [2020-10-12 16:56:17,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:56:17,902 INFO L479 AbstractCegarLoop]: Abstraction has 3757 states and 6013 transitions. [2020-10-12 16:56:17,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 16:56:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 6013 transitions. [2020-10-12 16:56:17,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 16:56:17,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:56:17,911 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:56:17,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:56:17,912 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:56:17,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:56:17,913 INFO L82 PathProgramCache]: Analyzing trace with hash 70826970, now seen corresponding path program 1 times [2020-10-12 16:56:17,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:56:17,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916354895] [2020-10-12 16:56:17,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:56:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:18,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:19,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:20,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:20,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:20,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:21,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:23,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:23,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-12 16:56:23,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:56:23,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-12 16:56:23,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:23,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 16:56:23,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:56:23,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-12 16:56:23,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:24,069 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:56:24,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:56:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:24,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:24,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:24,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:24,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-12 16:56:24,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:24,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:24,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:24,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:56:24,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:24,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:56:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:24,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:24,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:56:24,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:24,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:56:24,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:24,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:24,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:56:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:24,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:56:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:24,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:24,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:56:24,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:24,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:24,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:24,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:24,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:24,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:56:24,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:24,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:56:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:24,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:24,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:24,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:24,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:56:24,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:56:24,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:24,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:56:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:24,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:24,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:56:24,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:24,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:56:24,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:24,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:24,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:24,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:56:24,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:24,453 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:56:24,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:56:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:24,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:24,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:56:24,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:24,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 16:56:24,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:56:24,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:24,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:24,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:24,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:56:24,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:24,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:56:24,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:56:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:24,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:24,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:56:25,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:56:25,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 638 [2020-10-12 16:56:25,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:56:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:56:25,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:56:25,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:56:25,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:56:25,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:56:25,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:56:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:56:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:56:25,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:56:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:56:25,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:56:25,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-12 16:56:25,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:56:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:56:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:56:25,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:56:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:56:25,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 16:56:25,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:56:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:56:25,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:56:25,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:56:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:56:25,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:56:25,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:25,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:56:25,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:25,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:56:25,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:56:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:25,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:56:25,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:56:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 16:56:25,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 16:56:25,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:56:25,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 16:56:25,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 16:56:25,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:56:25,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:25,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:56:25,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:25,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:56:25,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:56:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:25,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:25,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 16:56:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:56:25,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 16:56:25,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:56:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 16:56:25,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 16:56:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:25,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:56:25,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:56:25,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:56:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:56:25,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:56:25,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:56:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:56:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:56:25,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:56:25,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 16:56:25,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:56:25,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:56:25,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:56:25,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:25,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:56:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:25,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:25,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:25,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:56:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:56:25,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:56:25,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:56:25,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:56:25,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 16:56:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:25,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:25,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:25,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:25,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:25,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:25,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:56:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:25,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-12 16:56:26,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916354895] [2020-10-12 16:56:26,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:56:26,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-12 16:56:26,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204706223] [2020-10-12 16:56:26,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 16:56:26,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:56:26,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 16:56:26,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-10-12 16:56:26,034 INFO L87 Difference]: Start difference. First operand 3757 states and 6013 transitions. Second operand 19 states.