/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:32:22,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:32:22,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:32:23,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:32:23,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:32:23,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:32:23,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:32:23,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:32:23,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:32:23,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:32:23,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:32:23,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:32:23,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:32:23,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:32:23,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:32:23,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:32:23,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:32:23,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:32:23,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:32:23,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:32:23,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:32:23,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:32:23,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:32:23,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:32:23,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:32:23,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:32:23,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:32:23,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:32:23,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:32:23,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:32:23,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:32:23,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:32:23,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:32:23,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:32:23,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:32:23,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:32:23,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:32:23,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:32:23,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:32:23,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:32:23,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:32:23,048 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 11:32:23,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:32:23,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:32:23,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:32:23,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:32:23,097 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:32:23,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:32:23,097 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:32:23,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:32:23,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:32:23,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:32:23,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:32:23,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:32:23,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:32:23,099 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:32:23,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:32:23,099 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:32:23,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:32:23,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:32:23,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:32:23,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:32:23,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:32:23,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:32:23,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:32:23,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:32:23,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:32:23,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:32:23,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:32:23,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:32:23,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:32:23,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:32:23,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:32:23,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:32:23,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:32:23,449 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:32:23,449 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:32:23,450 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_productSimulator.cil.c [2020-10-13 11:32:23,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27f3e60fd/218a6bfee41d4ba4b4ecd73176a912d6/FLAG664bf3ad3 [2020-10-13 11:32:24,128 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:32:24,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_productSimulator.cil.c [2020-10-13 11:32:24,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27f3e60fd/218a6bfee41d4ba4b4ecd73176a912d6/FLAG664bf3ad3 [2020-10-13 11:32:24,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27f3e60fd/218a6bfee41d4ba4b4ecd73176a912d6 [2020-10-13 11:32:24,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:32:24,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:32:24,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:32:24,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:32:24,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:32:24,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:32:24" (1/1) ... [2020-10-13 11:32:24,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723eb1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:24, skipping insertion in model container [2020-10-13 11:32:24,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:32:24" (1/1) ... [2020-10-13 11:32:24,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:32:24,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:32:25,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:32:25,223 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:32:25,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:32:25,448 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:32:25,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:25 WrapperNode [2020-10-13 11:32:25,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:32:25,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:32:25,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:32:25,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:32:25,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:25" (1/1) ... [2020-10-13 11:32:25,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:25" (1/1) ... [2020-10-13 11:32:25,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:25" (1/1) ... [2020-10-13 11:32:25,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:25" (1/1) ... [2020-10-13 11:32:25,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:25" (1/1) ... [2020-10-13 11:32:25,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:25" (1/1) ... [2020-10-13 11:32:25,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:25" (1/1) ... [2020-10-13 11:32:25,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:32:25,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:32:25,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:32:25,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:32:25,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:32:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:32:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:32:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:32:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:32:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:32:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:32:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:32:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:32:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:32:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:32:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:32:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:32:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:32:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:32:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:32:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:32:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:32:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:32:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:32:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:32:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:32:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:32:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:32:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:32:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:32:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:32:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:32:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:32:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:32:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:32:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:32:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:32:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:32:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:32:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:32:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:32:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:32:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:32:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:32:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:32:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:32:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:32:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:32:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:32:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:32:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:32:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:32:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:32:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:32:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:32:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:32:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2020-10-13 11:32:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2020-10-13 11:32:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:32:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2020-10-13 11:32:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2020-10-13 11:32:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:32:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2020-10-13 11:32:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2020-10-13 11:32:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2020-10-13 11:32:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2020-10-13 11:32:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:32:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:32:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:32:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:32:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:32:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:32:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:32:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:32:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:32:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:32:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-13 11:32:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-13 11:32:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2020-10-13 11:32:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2020-10-13 11:32:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:32:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:32:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:32:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-13 11:32:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-13 11:32:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-13 11:32:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-13 11:32:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:32:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:32:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:32:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2020-10-13 11:32:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2020-10-13 11:32:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:32:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2020-10-13 11:32:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2020-10-13 11:32:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:32:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:32:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-13 11:32:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-13 11:32:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:32:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:32:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:32:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:32:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:32:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:32:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:32:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:32:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:32:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:32:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:32:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:32:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:32:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:32:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:32:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:32:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:32:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:32:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:32:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:32:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:32:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:32:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:32:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:32:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:32:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:32:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:32:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:32:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:32:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:32:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:32:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:32:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:32:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:32:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:32:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:32:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:32:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:32:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:32:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:32:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:32:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:32:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:32:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:32:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:32:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:32:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:32:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:32:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:32:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:32:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:32:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:32:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:32:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:32:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:32:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:32:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:32:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:32:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:32:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:32:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:32:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:32:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:32:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:32:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:32:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:32:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:32:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:32:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:32:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:32:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:32:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:32:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:32:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-13 11:32:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-13 11:32:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2020-10-13 11:32:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2020-10-13 11:32:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2020-10-13 11:32:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2020-10-13 11:32:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2020-10-13 11:32:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2020-10-13 11:32:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2020-10-13 11:32:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2020-10-13 11:32:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:32:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:32:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:32:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:32:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:32:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-13 11:32:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-13 11:32:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2020-10-13 11:32:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2020-10-13 11:32:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:32:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:32:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-13 11:32:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-13 11:32:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-13 11:32:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-13 11:32:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:32:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:32:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:32:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2020-10-13 11:32:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2020-10-13 11:32:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2020-10-13 11:32:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2020-10-13 11:32:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:32:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:32:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:32:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:32:28,152 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:32:28,153 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:32:28,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:32:28 BoogieIcfgContainer [2020-10-13 11:32:28,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:32:28,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:32:28,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:32:28,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:32:28,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:32:24" (1/3) ... [2020-10-13 11:32:28,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190162bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:32:28, skipping insertion in model container [2020-10-13 11:32:28,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:25" (2/3) ... [2020-10-13 11:32:28,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190162bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:32:28, skipping insertion in model container [2020-10-13 11:32:28,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:32:28" (3/3) ... [2020-10-13 11:32:28,174 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_productSimulator.cil.c [2020-10-13 11:32:28,188 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:32:28,198 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:32:28,215 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:32:28,249 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:32:28,249 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:32:28,249 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:32:28,249 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:32:28,250 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:32:28,250 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:32:28,250 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:32:28,250 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:32:28,292 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states. [2020-10-13 11:32:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-13 11:32:28,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:32:28,313 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:32:28,314 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:32:28,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:32:28,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1390055657, now seen corresponding path program 1 times [2020-10-13 11:32:28,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:32:28,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729272307] [2020-10-13 11:32:28,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:32:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:28,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:29,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:29,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:29,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:29,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:33,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:34,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:34,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 11:32:34,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:32:34,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5409 [2020-10-13 11:32:34,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:34,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:34,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 11:32:34,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:32:34,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:32:35,289 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-13 11:32:35,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:35,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:35,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-13 11:32:35,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:35,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:35,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:35,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:32:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:35,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:35,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:35,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:35,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:35,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:35,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:35,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:32:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:32:35,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:35,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:32:35,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:35,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:35,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:35,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:35,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:35,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:35,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:35,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:35,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:32:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:35,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:35,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:35,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:35,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:35,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:35,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:32:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:35,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:35,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:35,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:35,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:35,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:35,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:35,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:32:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:35,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:35,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:35,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:35,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:32:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:35,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:35,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:35,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:35,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:35,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:32:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:32:35,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:35,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:35,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:35,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:35,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:35,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:35,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:32:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:35,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:35,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:35,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:35,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:35,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:32:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:35,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:35,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:35,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:35,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:35,759 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:32:35,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:32:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:35,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:38,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:38,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 11:32:38,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:32:38,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2333 [2020-10-13 11:32:38,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-13 11:32:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:38,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 11:32:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:38,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:38,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:38,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:38,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:38,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:38,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:38,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:32:38,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:32:38,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 679 [2020-10-13 11:32:38,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:38,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:38,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:32:38,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:38,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:38,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:38,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:38,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:38,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:32:38,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:38,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:38,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:32:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:38,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:38,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:38,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:38,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:32:38,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:38,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:32:38,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:38,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:38,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:38,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:38,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:39,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:32:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:39,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:39,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:39,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:39,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:39,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:39,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:39,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:39,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:39,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:39,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:39,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:32:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:39,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:39,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:39,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 11:32:39,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:39,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 11:32:39,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 11:32:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:39,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:39,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:39,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:39,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:39,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:32:39,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:39,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:32:39,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:39,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:39,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:39,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:39,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:39,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:32:39,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:39,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:32:39,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:39,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:39,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:39,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:39,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:39,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:39,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:39,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:39,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:39,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:39,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:39,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:39,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:32:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:39,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:39,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:39,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:32:39,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:39,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:32:39,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:39,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:39,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:39,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:39,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:39,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:39,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:39,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:39,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:39,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-13 11:32:39,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729272307] [2020-10-13 11:32:39,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:32:39,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:32:39,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157860512] [2020-10-13 11:32:39,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:32:39,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:32:39,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:32:39,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:32:39,382 INFO L87 Difference]: Start difference. First operand 926 states. Second operand 9 states. [2020-10-13 11:32:40,289 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 11:32:40,554 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:32:41,274 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:32:42,150 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 11:32:58,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:32:58,905 INFO L93 Difference]: Finished difference Result 1268 states and 2247 transitions. [2020-10-13 11:32:58,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:32:58,913 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 119 [2020-10-13 11:32:58,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:32:58,953 INFO L225 Difference]: With dead ends: 1268 [2020-10-13 11:32:58,954 INFO L226 Difference]: Without dead ends: 1218 [2020-10-13 11:32:58,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:32:58,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-10-13 11:32:59,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 754. [2020-10-13 11:32:59,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-10-13 11:32:59,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1168 transitions. [2020-10-13 11:32:59,333 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1168 transitions. Word has length 119 [2020-10-13 11:32:59,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:32:59,334 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1168 transitions. [2020-10-13 11:32:59,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:32:59,335 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1168 transitions. [2020-10-13 11:32:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-13 11:32:59,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:32:59,340 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:32:59,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:32:59,341 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:32:59,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:32:59,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1286421130, now seen corresponding path program 1 times [2020-10-13 11:32:59,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:32:59,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407772777] [2020-10-13 11:32:59,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:32:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:59,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:59,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:59,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:00,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:01,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:01,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:04,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:04,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-13 11:33:04,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:33:04,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-13 11:33:04,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:04,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:04,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 11:33:04,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:33:04,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 11:33:05,360 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-13 11:33:05,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:05,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:05,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:05,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 11:33:05,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:05,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:05,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:05,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:05,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:05,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:05,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:05,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:05,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:05,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:05,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:33:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:05,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:33:05,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:05,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:33:05,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:05,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:05,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:05,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:05,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:05,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:05,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:05,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:05,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:05,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:05,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:05,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:05,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:05,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:05,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:05,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:05,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:05,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:05,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:33:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:05,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:05,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:05,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:05,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:05,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:05,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:05,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:05,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:05,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:33:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:05,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:05,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:05,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:05,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:05,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:05,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:33:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:05,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:05,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:05,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:05,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:05,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:05,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:05,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:05,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:05,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:33:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:05,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:05,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:05,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:05,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:05,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:05,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:05,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:05,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:05,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:33:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:05,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:05,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:05,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:05,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:05,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:05,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:33:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:05,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:05,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:05,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:05,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:05,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:05,777 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:33:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:33:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:05,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:05,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:07,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 11:33:07,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:07,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1761 [2020-10-13 11:33:07,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:07,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:07,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:33:07,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:33:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:07,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:07,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:07,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:08,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:33:08,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:08,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-10-13 11:33:08,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:33:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:33:08,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:08,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:08,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:08,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:08,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:08,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:33:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:33:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:08,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:33:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:08,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:08,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:33:08,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:33:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:33:08,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:33:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:08,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:08,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:33:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:08,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:08,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:08,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:08,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:08,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:08,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:08,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:33:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:08,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:08,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 11:33:08,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:08,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:33:08,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 11:33:08,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:08,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:08,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:08,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:08,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:33:08,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:33:08,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:08,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:08,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:08,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:08,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:08,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:33:08,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:08,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:33:08,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:08,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:08,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:08,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:08,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:08,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:08,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:08,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:08,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:33:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:08,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:08,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:33:08,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:08,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:08,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:08,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:08,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:08,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:08,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:08,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:08,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:08,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:08,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:08,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:08,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-13 11:33:08,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407772777] [2020-10-13 11:33:08,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:33:08,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:33:08,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425300132] [2020-10-13 11:33:08,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:33:08,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:33:08,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:33:08,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:33:08,468 INFO L87 Difference]: Start difference. First operand 754 states and 1168 transitions. Second operand 11 states. [2020-10-13 11:33:09,707 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 11:33:09,995 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:33:10,580 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:33:11,434 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2020-10-13 11:33:12,231 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 426 [2020-10-13 11:33:13,710 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 11:33:38,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:33:38,114 INFO L93 Difference]: Finished difference Result 1914 states and 3258 transitions. [2020-10-13 11:33:38,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:33:38,116 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-10-13 11:33:38,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:33:38,132 INFO L225 Difference]: With dead ends: 1914 [2020-10-13 11:33:38,132 INFO L226 Difference]: Without dead ends: 1218 [2020-10-13 11:33:38,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-10-13 11:33:38,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-10-13 11:33:38,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 754. [2020-10-13 11:33:38,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-10-13 11:33:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1167 transitions. [2020-10-13 11:33:38,363 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1167 transitions. Word has length 121 [2020-10-13 11:33:38,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:33:38,363 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1167 transitions. [2020-10-13 11:33:38,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:33:38,364 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1167 transitions. [2020-10-13 11:33:38,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 11:33:38,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:33:38,367 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:33:38,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:33:38,367 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:33:38,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:33:38,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1571053712, now seen corresponding path program 1 times [2020-10-13 11:33:38,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:33:38,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642975586] [2020-10-13 11:33:38,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:33:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:38,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:39,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:39,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:43,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:43,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 11:33:43,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:33:43,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:33:43,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:43,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:43,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-13 11:33:43,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:33:43,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:44,314 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-13 11:33:44,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:44,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:44,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:44,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:33:44,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:44,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:44,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:44,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:44,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:44,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:44,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:44,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:44,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:44,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:44,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:44,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:33:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:44,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:33:44,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:44,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:33:44,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:44,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:44,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:44,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:44,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:44,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:44,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:44,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:44,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:44,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:44,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:44,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:44,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:44,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:44,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:44,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:33:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:44,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:44,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:44,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:44,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:44,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:44,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:33:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:44,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:44,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:44,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:44,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:44,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:44,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:44,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:33:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:44,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:44,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:44,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:44,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:44,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:44,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:44,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:33:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:44,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:44,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:44,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:44,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:44,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:44,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:44,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:33:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:44,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:44,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:44,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:44,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:44,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:44,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:44,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:44,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:44,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:33:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:44,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:44,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:44,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:44,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:44,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:44,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:44,809 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:33:44,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:33:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:44,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:44,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:45,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:45,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:46,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:46,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:33:46,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:46,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1681 [2020-10-13 11:33:46,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:33:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:33:46,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:46,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:46,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:46,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:46,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:46,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:33:47,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:47,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-13 11:33:47,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:47,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:33:47,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:33:47,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:33:47,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:33:47,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:33:47,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:47,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:33:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:33:47,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:47,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:33:47,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:33:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:33:47,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:33:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:47,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:47,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:47,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:33:47,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:47,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:33:47,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:47,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:33:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 11:33:47,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:47,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:33:47,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 11:33:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:47,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:33:47,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:47,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:33:47,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:47,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:33:47,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:47,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:33:47,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:47,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:47,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:47,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:47,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:47,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:47,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:47,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:33:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:33:47,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:47,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:33:47,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:47,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:47,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:47,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:47,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:47,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:47,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:47,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:47,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:47,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:47,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:47,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-13 11:33:47,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642975586] [2020-10-13 11:33:47,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:33:47,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:33:47,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955192060] [2020-10-13 11:33:47,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:33:47,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:33:47,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:33:47,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:33:47,486 INFO L87 Difference]: Start difference. First operand 754 states and 1167 transitions. Second operand 11 states. [2020-10-13 11:33:48,308 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 11:33:48,564 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:33:49,143 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:33:50,186 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2020-10-13 11:33:51,516 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 11:34:12,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:34:12,831 INFO L93 Difference]: Finished difference Result 1868 states and 3173 transitions. [2020-10-13 11:34:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 11:34:12,832 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 122 [2020-10-13 11:34:12,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:34:12,844 INFO L225 Difference]: With dead ends: 1868 [2020-10-13 11:34:12,844 INFO L226 Difference]: Without dead ends: 1218 [2020-10-13 11:34:12,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:34:12,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-10-13 11:34:13,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 754. [2020-10-13 11:34:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-10-13 11:34:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1162 transitions. [2020-10-13 11:34:13,118 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1162 transitions. Word has length 122 [2020-10-13 11:34:13,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:34:13,118 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1162 transitions. [2020-10-13 11:34:13,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:34:13,118 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1162 transitions. [2020-10-13 11:34:13,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-13 11:34:13,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:34:13,127 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:34:13,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:34:13,128 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:34:13,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:34:13,128 INFO L82 PathProgramCache]: Analyzing trace with hash -2009651121, now seen corresponding path program 1 times [2020-10-13 11:34:13,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:34:13,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297821056] [2020-10-13 11:34:13,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:34:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:13,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:18,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:18,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 11:34:18,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:34:18,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-13 11:34:18,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 11:34:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:34:18,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,338 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-13 11:34:19,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:19,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:19,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:34:19,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:19,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:19,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:19,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:34:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:34:19,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:19,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:34:19,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:19,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:19,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:19,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:19,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:19,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:19,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:19,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:19,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:19,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:19,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:19,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:34:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:19,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:19,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:19,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:19,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:19,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:34:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:19,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:19,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:19,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:19,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:34:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:19,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:19,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:19,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:19,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:19,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:19,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:34:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:34:19,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:19,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:19,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:19,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:34:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:19,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:19,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:19,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:19,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:34:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:19,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:19,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:19,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:19,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:19,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:19,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:19,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:19,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:19,833 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:34:19,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:34:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:19,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:19,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:20,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 11:34:20,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:34:20,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 846 [2020-10-13 11:34:20,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:34:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:34:20,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:20,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:20,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:20,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:21,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:34:21,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:34:21,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-13 11:34:21,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:21,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:34:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:34:21,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:21,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:21,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:21,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:34:21,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:21,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:21,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:21,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:34:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:34:21,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:21,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:34:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:21,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:21,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:34:21,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:34:21,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:34:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:21,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:21,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:34:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:21,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:21,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:21,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:21,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:21,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:21,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:21,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:21,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:21,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:21,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:34:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:21,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:21,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 11:34:21,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:21,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:34:21,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:21,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:21,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 11:34:21,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:21,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:21,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:21,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:21,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:34:21,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:21,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:34:21,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:21,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:21,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:21,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:21,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:21,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:21,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:21,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:34:21,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:34:21,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:21,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:21,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:21,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:21,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:21,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:21,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:21,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:21,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:21,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:34:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:21,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:21,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:34:21,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:21,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:34:21,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:21,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:21,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:21,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:21,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:21,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:21,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:21,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:21,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:21,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:21,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:21,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:21,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:21,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:21,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-13 11:34:21,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297821056] [2020-10-13 11:34:21,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:34:21,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:34:21,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466487575] [2020-10-13 11:34:21,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:34:21,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:34:21,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:34:21,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:34:21,386 INFO L87 Difference]: Start difference. First operand 754 states and 1162 transitions. Second operand 11 states. [2020-10-13 11:34:22,590 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 11:34:22,840 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:34:23,395 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:34:24,281 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2020-10-13 11:34:25,118 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 426 [2020-10-13 11:34:26,319 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 11:34:47,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:34:47,419 INFO L93 Difference]: Finished difference Result 1914 states and 3247 transitions. [2020-10-13 11:34:47,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:34:47,420 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-10-13 11:34:47,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:34:47,431 INFO L225 Difference]: With dead ends: 1914 [2020-10-13 11:34:47,431 INFO L226 Difference]: Without dead ends: 1218 [2020-10-13 11:34:47,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-10-13 11:34:47,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-10-13 11:34:47,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 754. [2020-10-13 11:34:47,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-10-13 11:34:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1161 transitions. [2020-10-13 11:34:47,692 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1161 transitions. Word has length 123 [2020-10-13 11:34:47,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:34:47,693 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1161 transitions. [2020-10-13 11:34:47,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:34:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1161 transitions. [2020-10-13 11:34:47,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 11:34:47,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:34:47,696 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:34:47,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:34:47,697 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:34:47,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:34:47,697 INFO L82 PathProgramCache]: Analyzing trace with hash 567502553, now seen corresponding path program 1 times [2020-10-13 11:34:47,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:34:47,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1809876378] [2020-10-13 11:34:47,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:34:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:47,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:48,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:48,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:52,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:52,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 11:34:52,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:34:52,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 11:34:52,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:52,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:52,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 11:34:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:52,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,634 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-13 11:34:53,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:53,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:53,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:34:53,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:53,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:53,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:53,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:53,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:53,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:53,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:53,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:34:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:34:53,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:53,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:34:53,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:53,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:53,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:53,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:53,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:53,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:53,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:53,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:53,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:53,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:53,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:53,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:53,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:53,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:34:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:53,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:53,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:53,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:53,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:53,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:53,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:34:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:53,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:53,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:53,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:53,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:53,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:34:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:53,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:53,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:53,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:53,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:53,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:53,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:34:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:34:53,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:53,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:53,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:53,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:53,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:53,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:34:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:53,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:53,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:53,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:53,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:34:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:53,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:53,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:53,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:53,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:53,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:53,946 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:34:53,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:34:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:53,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:53,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:54,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:54,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:55,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 11:34:55,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:34:55,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1109 [2020-10-13 11:34:55,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:34:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:55,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:55,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:55,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:55,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:34:55,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:34:55,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-13 11:34:55,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:55,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:55,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:34:55,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:55,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:55,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:55,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:55,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:34:55,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:55,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:55,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:55,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:55,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:34:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:55,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:55,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:34:55,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:55,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:34:55,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:34:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:34:55,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:55,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:34:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:55,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:55,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:55,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:55,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:55,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:55,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:34:55,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:55,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:55,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:55,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:34:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:55,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:55,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 11:34:55,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:55,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:34:55,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 11:34:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:55,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:55,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:55,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:34:55,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:55,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:34:55,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:55,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:55,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:55,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:55,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:55,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:34:55,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:55,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:34:55,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:55,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:55,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:55,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:55,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:55,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:55,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:55,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:55,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:55,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:55,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:55,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:55,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:34:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:55,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:55,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:34:55,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:55,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:55,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:55,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:55,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:55,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:55,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:55,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:55,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:55,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:55,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:55,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:55,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:55,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:55,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:55,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:55,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:55,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:55,696 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-13 11:34:55,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1809876378] [2020-10-13 11:34:55,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:34:55,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:34:55,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386988506] [2020-10-13 11:34:55,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:34:55,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:34:55,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:34:55,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:34:55,698 INFO L87 Difference]: Start difference. First operand 754 states and 1161 transitions. Second operand 11 states. [2020-10-13 11:34:56,664 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 11:34:56,911 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:34:57,480 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:34:58,461 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2020-10-13 11:34:59,719 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 11:35:21,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:35:21,075 INFO L93 Difference]: Finished difference Result 1868 states and 3167 transitions. [2020-10-13 11:35:21,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 11:35:21,076 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 124 [2020-10-13 11:35:21,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:35:21,085 INFO L225 Difference]: With dead ends: 1868 [2020-10-13 11:35:21,086 INFO L226 Difference]: Without dead ends: 1218 [2020-10-13 11:35:21,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:35:21,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-10-13 11:35:21,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 754. [2020-10-13 11:35:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-10-13 11:35:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1156 transitions. [2020-10-13 11:35:21,284 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1156 transitions. Word has length 124 [2020-10-13 11:35:21,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:35:21,284 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1156 transitions. [2020-10-13 11:35:21,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:35:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1156 transitions. [2020-10-13 11:35:21,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 11:35:21,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:35:21,287 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:35:21,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:35:21,287 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:35:21,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:35:21,288 INFO L82 PathProgramCache]: Analyzing trace with hash 202269355, now seen corresponding path program 1 times [2020-10-13 11:35:21,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:35:21,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1810171428] [2020-10-13 11:35:21,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:35:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:21,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:21,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:21,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:21,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:21,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:23,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:26,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:26,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 11:35:26,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:35:26,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:35:26,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 11:35:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:35:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,170 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-13 11:35:27,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:35:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 11:35:27,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:27,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:35:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:35:27,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:35:27,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:27,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:27,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:35:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:27,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:35:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:27,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:35:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:27,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:35:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:35:27,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:27,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:35:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:27,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:27,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:35:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:27,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,513 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:35:27,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:35:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:28,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:35:28,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:35:28,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 820 [2020-10-13 11:35:28,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:35:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:35:28,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:28,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:35:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:28,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:28,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:35:28,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:35:28,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-13 11:35:28,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:35:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:35:28,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:28,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:28,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:28,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:35:28,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:28,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:28,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:35:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:35:28,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:28,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:35:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:28,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:28,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:35:28,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:28,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:35:28,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:35:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:28,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:28,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:35:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:28,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:28,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:28,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:28,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:28,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:28,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:28,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 11:35:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:28,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:28,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 11:35:28,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:28,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:35:28,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 11:35:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:28,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:28,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:28,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:28,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:35:28,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:28,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:35:28,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:28,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:28,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:28,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:35:28,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:28,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:35:28,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:28,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:28,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:28,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:28,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:28,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:28,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:28,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:28,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:28,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:28,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:28,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:35:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:28,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:28,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:35:28,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:28,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:28,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:28,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:28,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:28,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:28,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:28,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:28,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:28,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:28,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:28,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-13 11:35:28,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1810171428] [2020-10-13 11:35:28,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:35:28,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:35:28,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432027541] [2020-10-13 11:35:28,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:35:28,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:35:28,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:35:28,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:35:28,918 INFO L87 Difference]: Start difference. First operand 754 states and 1156 transitions. Second operand 11 states. [2020-10-13 11:35:29,988 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 11:35:30,226 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 11:35:30,789 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:35:31,648 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2020-10-13 11:35:32,481 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 426 [2020-10-13 11:35:33,799 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 11:36:01,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:36:01,097 INFO L93 Difference]: Finished difference Result 1914 states and 3236 transitions. [2020-10-13 11:36:01,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:36:01,097 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 125 [2020-10-13 11:36:01,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:36:01,105 INFO L225 Difference]: With dead ends: 1914 [2020-10-13 11:36:01,105 INFO L226 Difference]: Without dead ends: 1218 [2020-10-13 11:36:01,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-10-13 11:36:01,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-10-13 11:36:01,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 754. [2020-10-13 11:36:01,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-10-13 11:36:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1155 transitions. [2020-10-13 11:36:01,315 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1155 transitions. Word has length 125 [2020-10-13 11:36:01,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:36:01,316 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1155 transitions. [2020-10-13 11:36:01,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:36:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1155 transitions. [2020-10-13 11:36:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 11:36:01,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:36:01,319 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:36:01,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:36:01,319 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:36:01,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:36:01,320 INFO L82 PathProgramCache]: Analyzing trace with hash 9364785, now seen corresponding path program 1 times [2020-10-13 11:36:01,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:36:01,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89293245] [2020-10-13 11:36:01,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:36:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:01,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:01,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:01,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:01,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:01,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:02,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:06,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:06,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 11:36:06,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:36:06,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 11:36:06,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:36:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:36:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:36:06,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,281 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-13 11:36:07,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:36:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:07,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:07,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 11:36:07,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:07,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:36:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:07,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:07,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:07,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:07,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:07,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:07,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:07,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:07,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:36:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:07,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:36:07,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:07,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:36:07,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:07,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:07,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:07,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:07,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:07,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:07,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:07,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:07,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:07,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:36:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:07,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:07,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:07,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:07,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:07,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:36:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:07,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:07,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:07,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:07,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:07,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:07,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:07,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:07,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:36:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:07,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:07,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:07,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:07,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:07,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:07,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:07,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:07,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:36:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:07,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:07,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:07,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:07,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:07,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:07,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:07,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:07,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:36:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:07,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:36:07,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:07,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:36:07,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:07,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:36:07,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:36:07,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:36:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:07,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:07,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:07,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:07,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:36:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:07,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:36:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:07,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:07,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:07,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:07,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:07,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:07,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:36:07,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:07,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:07,709 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:36:07,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:36:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:07,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:07,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:08,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:09,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 11:36:09,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:36:09,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1388 [2020-10-13 11:36:09,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-13 11:36:09,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:09,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:09,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:36:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:09,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:09,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 11:36:09,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:36:09,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-13 11:36:09,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:09,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:09,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:09,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:09,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:36:09,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:36:09,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:36:09,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:09,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:09,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:09,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:09,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:09,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:36:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:09,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:09,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:36:09,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:36:09,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:36:09,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:09,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:09,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:09,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:09,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:09,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:36:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:09,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:09,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:09,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:09,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:09,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:09,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:09,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:09,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:36:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:09,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:09,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 11:36:09,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:09,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:36:09,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:09,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:09,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:09,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:09,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:36:09,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:09,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:36:09,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:09,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:09,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:09,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:09,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:09,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:09,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:09,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:36:09,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:09,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:36:09,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:09,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:09,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:09,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:09,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:09,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:09,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:09,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:09,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:09,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:09,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:36:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:09,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:09,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:36:09,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:09,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:36:09,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:09,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:09,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:09,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:09,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:09,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:09,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:09,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:09,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:09,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:09,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:09,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:09,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:09,759 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-13 11:36:09,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89293245] [2020-10-13 11:36:09,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:36:09,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:36:09,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655140816] [2020-10-13 11:36:09,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:36:09,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:36:09,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:36:09,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:36:09,761 INFO L87 Difference]: Start difference. First operand 754 states and 1155 transitions. Second operand 13 states. [2020-10-13 11:36:10,766 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 11:36:11,019 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 172