/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/email_spec11_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:47:45,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:47:45,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:47:45,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:47:45,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:47:45,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:47:45,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:47:45,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:47:45,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:47:45,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:47:45,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:47:45,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:47:45,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:47:45,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:47:45,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:47:45,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:47:45,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:47:45,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:47:45,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:47:45,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:47:45,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:47:45,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:47:45,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:47:45,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:47:45,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:47:45,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:47:45,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:47:45,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:47:45,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:47:45,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:47:45,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:47:45,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:47:45,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:47:45,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:47:45,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:47:45,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:47:45,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:47:45,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:47:45,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:47:45,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:47:45,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:47:45,771 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 11:47:45,808 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:47:45,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:47:45,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:47:45,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:47:45,811 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:47:45,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:47:45,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:47:45,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:47:45,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:47:45,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:47:45,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:47:45,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:47:45,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:47:45,813 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:47:45,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:47:45,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:47:45,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:47:45,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:47:45,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:47:45,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:47:45,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:47:45,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:47:45,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:47:45,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:47:45,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:47:45,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:47:45,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:47:45,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:47:45,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:47:45,817 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 11:47:46,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:47:46,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:47:46,139 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:47:46,141 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:47:46,141 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:47:46,142 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2020-10-13 11:47:46,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6616e2a94/c1f069bbabed4d888fd2b62352ec40e1/FLAGa28f2d8a3 [2020-10-13 11:47:46,784 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:47:46,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2020-10-13 11:47:46,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6616e2a94/c1f069bbabed4d888fd2b62352ec40e1/FLAGa28f2d8a3 [2020-10-13 11:47:47,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6616e2a94/c1f069bbabed4d888fd2b62352ec40e1 [2020-10-13 11:47:47,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:47:47,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:47:47,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:47:47,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:47:47,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:47:47,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:47:47" (1/1) ... [2020-10-13 11:47:47,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4d4318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:47, skipping insertion in model container [2020-10-13 11:47:47,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:47:47" (1/1) ... [2020-10-13 11:47:47,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:47:47,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:47:47,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:47:47,709 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:47:47,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:47:47,921 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:47:47,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:47 WrapperNode [2020-10-13 11:47:47,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:47:47,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:47:47,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:47:47,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:47:47,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:47" (1/1) ... [2020-10-13 11:47:47,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:47" (1/1) ... [2020-10-13 11:47:47,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:47" (1/1) ... [2020-10-13 11:47:47,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:47" (1/1) ... [2020-10-13 11:47:48,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:47" (1/1) ... [2020-10-13 11:47:48,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:47" (1/1) ... [2020-10-13 11:47:48,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:47" (1/1) ... [2020-10-13 11:47:48,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:47:48,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:47:48,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:47:48,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:47:48,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:47" (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 11:47:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:47:48,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:47:48,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:47:48,140 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-13 11:47:48,140 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-13 11:47:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-13 11:47:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-13 11:47:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-13 11:47:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-13 11:47:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-13 11:47:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-13 11:47:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-13 11:47:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-13 11:47:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-13 11:47:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-13 11:47:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-13 11:47:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-13 11:47:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-13 11:47:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-13 11:47:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-13 11:47:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-13 11:47:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-13 11:47:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-13 11:47:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-13 11:47:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-13 11:47:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-13 11:47:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-13 11:47:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-13 11:47:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-13 11:47:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-13 11:47:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-13 11:47:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-13 11:47:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-13 11:47:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-13 11:47:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-13 11:47:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-13 11:47:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-13 11:47:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-13 11:47:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-13 11:47:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-13 11:47:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-13 11:47:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-13 11:47:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-13 11:47:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-13 11:47:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-13 11:47:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-13 11:47:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-13 11:47:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-13 11:47:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-13 11:47:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-13 11:47:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-13 11:47:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-13 11:47:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-13 11:47:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-13 11:47:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-13 11:47:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-13 11:47:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-13 11:47:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-10-13 11:47:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-13 11:47:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-13 11:47:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-13 11:47:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-13 11:47:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-13 11:47:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-13 11:47:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-13 11:47:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-13 11:47:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-13 11:47:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-13 11:47:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:47:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:47:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:47:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:47:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:47:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:47:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:47:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-13 11:47:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:47:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-13 11:47:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-13 11:47:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-13 11:47:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-13 11:47:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-13 11:47:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:47:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:47:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-13 11:47:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-13 11:47:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-13 11:47:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-13 11:47:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-13 11:47:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-13 11:47:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:47:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:47:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:47:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:47:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:47:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:47:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-13 11:47:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-13 11:47:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-13 11:47:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-13 11:47:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-13 11:47:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-13 11:47:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-13 11:47:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-13 11:47:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-13 11:47:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-13 11:47:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-13 11:47:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-13 11:47:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-13 11:47:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-13 11:47:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-13 11:47:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-13 11:47:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-13 11:47:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-13 11:47:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-13 11:47:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-13 11:47:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-13 11:47:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:47:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-13 11:47:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:47:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-13 11:47:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-13 11:47:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-13 11:47:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-13 11:47:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-13 11:47:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-13 11:47:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-13 11:47:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-13 11:47:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-13 11:47:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-13 11:47:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-13 11:47:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-13 11:47:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-13 11:47:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-13 11:47:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-13 11:47:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-13 11:47:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-13 11:47:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-13 11:47:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-13 11:47:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-13 11:47:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-13 11:47:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-13 11:47:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-13 11:47:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-13 11:47:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-13 11:47:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-13 11:47:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-13 11:47:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-13 11:47:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-13 11:47:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-13 11:47:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-13 11:47:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-13 11:47:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-13 11:47:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-13 11:47:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-13 11:47:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-13 11:47:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-13 11:47:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-13 11:47:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-13 11:47:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-13 11:47:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-13 11:47:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-13 11:47:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-13 11:47:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-13 11:47:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-10-13 11:47:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-13 11:47:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-13 11:47:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-13 11:47:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-13 11:47:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-13 11:47:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:47:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:47:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:47:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:47:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:47:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:47:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:47:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:47:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:47:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:47:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:47:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:47:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:47:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:47:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:47:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:47:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:47:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:47:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-13 11:47:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:47:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:47:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:47:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-13 11:47:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-13 11:47:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-13 11:47:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-13 11:47:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:47:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:47:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-13 11:47:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:47:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:47:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:47:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:47:49,975 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:47:49,975 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 11:47:49,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:47:49 BoogieIcfgContainer [2020-10-13 11:47:49,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:47:49,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:47:49,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:47:49,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:47:49,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:47:47" (1/3) ... [2020-10-13 11:47:49,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7e69a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:47:49, skipping insertion in model container [2020-10-13 11:47:49,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:47" (2/3) ... [2020-10-13 11:47:49,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7e69a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:47:49, skipping insertion in model container [2020-10-13 11:47:49,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:47:49" (3/3) ... [2020-10-13 11:47:49,988 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product10.cil.c [2020-10-13 11:47:49,998 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:47:50,006 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:47:50,018 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:47:50,042 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:47:50,042 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:47:50,042 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:47:50,042 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:47:50,042 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:47:50,043 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:47:50,043 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:47:50,043 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:47:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states. [2020-10-13 11:47:50,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 11:47:50,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:47:50,082 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:47:50,082 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:47:50,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:47:50,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1890190681, now seen corresponding path program 1 times [2020-10-13 11:47:50,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:47:50,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [814944162] [2020-10-13 11:47:50,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:47:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:50,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:50,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:50,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:51,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:55,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:55,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 11:47:55,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:47:55,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-13 11:47:55,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 11:47:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:55,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:47:57,047 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:47:57,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:47:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:57,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:47:57,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:47:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:47:57,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:57,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:47:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:47:57,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:47:57,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:47:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:57,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:57,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:47:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:47:57,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:47:57,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-13 11:47:57,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:57,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:57,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:57,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:57,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:47:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:57,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:57,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:57,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:57,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:47:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:57,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:47:57,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:57,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:57,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:57,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 11:47:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:47:57,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:47:57,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:47:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:57,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:57,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:57,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:57,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:47:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:57,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:47:57,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:57,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:47:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:57,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:57,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:57,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:57,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 11:47:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:57,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:57,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:57,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:57,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 11:47:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:57,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:57,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:57,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:47:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:47:57,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:47:57,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:47:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:57,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:57,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:57,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:57,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 11:47:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:57,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:57,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:57,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:47:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:57,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:57,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:57,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:57,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:57,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:47:57,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:47:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:47:57,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [814944162] [2020-10-13 11:47:57,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:47:57,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:47:57,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813084912] [2020-10-13 11:47:57,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:47:57,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:47:57,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:47:57,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:47:57,904 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 8 states. [2020-10-13 11:48:03,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:48:03,065 INFO L93 Difference]: Finished difference Result 607 states and 843 transitions. [2020-10-13 11:48:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:48:03,068 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 127 [2020-10-13 11:48:03,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:48:03,085 INFO L225 Difference]: With dead ends: 607 [2020-10-13 11:48:03,085 INFO L226 Difference]: Without dead ends: 395 [2020-10-13 11:48:03,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-10-13 11:48:03,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-10-13 11:48:03,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 247. [2020-10-13 11:48:03,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-10-13 11:48:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 309 transitions. [2020-10-13 11:48:03,265 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 309 transitions. Word has length 127 [2020-10-13 11:48:03,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:48:03,266 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 309 transitions. [2020-10-13 11:48:03,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:48:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 309 transitions. [2020-10-13 11:48:03,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 11:48:03,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:48:03,271 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:48:03,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:48:03,272 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:48:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:48:03,272 INFO L82 PathProgramCache]: Analyzing trace with hash 853966030, now seen corresponding path program 1 times [2020-10-13 11:48:03,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:48:03,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791269702] [2020-10-13 11:48:03,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:48:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:03,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:03,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:03,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:04,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:04,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:08,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:08,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-13 11:48:08,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:48:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-13 11:48:08,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:48:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-13 11:48:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:48:08,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:09,528 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:48:09,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:48:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:09,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:09,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:09,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:09,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:48:09,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:09,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:09,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:09,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:09,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:09,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:09,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:09,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:09,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:09,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:09,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:09,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:09,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:48:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:09,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:09,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:09,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:09,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:09,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:09,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:09,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:09,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:09,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:09,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:48:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:09,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:09,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:09,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:09,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:09,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:09,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:09,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:09,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:09,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:48:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:09,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:09,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:48:09,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:48:09,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-10-13 11:48:09,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:09,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:09,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:09,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:09,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:48:09,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:09,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:09,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:09,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:09,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:48:09,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:09,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:09,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:09,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:09,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:09,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:09,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:09,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:09,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:09,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:09,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:09,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:48:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:09,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:09,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:09,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:09,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:09,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:09,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:09,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:09,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:09,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:09,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:09,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:09,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:09,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:09,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:09,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:09,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:09,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:48:09,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:48:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:09,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:09,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:09,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:09,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:09,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:09,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:09,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:09,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:09,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:09,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:10,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:10,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:10,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:48:10,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 11:48:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:10,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:10,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:10,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:48:10,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:10,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:48:10,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:48:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:10,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:10,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:10,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:10,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:10,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:10,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:10,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:10,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:10,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:10,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:10,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:10,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:10,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:10,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:10,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:48:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:10,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:10,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:10,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:10,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:10,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:10,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:10,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:10,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 11:48:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:10,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:10,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:10,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:10,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:10,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:10,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:10,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:10,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 11:48:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:10,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:10,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:10,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:10,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:10,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:10,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:10,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:10,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:10,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:10,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:10,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:48:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:10,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:10,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:10,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:48:10,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:10,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:10,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:10,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:10,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:48:10,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:10,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:10,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:10,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:10,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:10,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:10,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:10,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:10,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:10,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:10,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:10,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 11:48:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:10,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:10,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:10,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:10,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:10,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:10,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:10,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:10,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:10,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:10,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:10,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 11:48:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:10,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:10,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:10,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:10,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:10,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:10,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:10,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:48:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:10,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:10,168 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:48:10,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791269702] [2020-10-13 11:48:10,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:48:10,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:48:10,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955056294] [2020-10-13 11:48:10,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:48:10,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:48:10,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:48:10,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:48:10,172 INFO L87 Difference]: Start difference. First operand 247 states and 309 transitions. Second operand 9 states. [2020-10-13 11:48:12,343 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:48:17,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:48:17,350 INFO L93 Difference]: Finished difference Result 550 states and 720 transitions. [2020-10-13 11:48:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:48:17,351 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2020-10-13 11:48:17,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:48:17,357 INFO L225 Difference]: With dead ends: 550 [2020-10-13 11:48:17,357 INFO L226 Difference]: Without dead ends: 398 [2020-10-13 11:48:17,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-10-13 11:48:17,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-10-13 11:48:17,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 249. [2020-10-13 11:48:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-13 11:48:17,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 311 transitions. [2020-10-13 11:48:17,481 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 311 transitions. Word has length 128 [2020-10-13 11:48:17,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:48:17,481 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 311 transitions. [2020-10-13 11:48:17,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:48:17,481 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 311 transitions. [2020-10-13 11:48:17,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 11:48:17,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:48:17,485 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:48:17,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:48:17,485 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:48:17,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:48:17,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1532370260, now seen corresponding path program 1 times [2020-10-13 11:48:17,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:48:17,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861529750] [2020-10-13 11:48:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:48:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:18,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:18,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:22,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:22,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-13 11:48:22,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:48:22,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 11:48:22,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:48:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-13 11:48:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:48:22,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,096 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:48:24,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:48:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:24,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:48:24,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:24,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:24,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:48:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:24,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:24,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:48:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:24,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:24,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:48:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:48:24,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:48:24,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-10-13 11:48:24,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:24,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:24,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:48:24,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:24,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:24,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:48:24,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:48:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:24,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:48:24,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:24,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:24,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:48:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:24,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:24,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:24,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:24,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 11:48:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:48:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:48:24,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:48:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:24,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:24,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:24,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:24,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 11:48:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:24,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:24,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 11:48:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:24,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:24,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:48:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:24,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:24,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:24,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 11:48:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:48:24,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:24,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:48:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:24,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:24,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 11:48:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:24,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:24,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 11:48:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:24,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:24,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:24,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:24,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:24,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:24,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:48:24,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:24,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:24,773 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:48:24,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861529750] [2020-10-13 11:48:24,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:48:24,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 11:48:24,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692802193] [2020-10-13 11:48:24,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:48:24,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:48:24,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:48:24,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:48:24,778 INFO L87 Difference]: Start difference. First operand 249 states and 311 transitions. Second operand 10 states. [2020-10-13 11:48:26,804 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:48:27,928 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:48:33,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:48:33,418 INFO L93 Difference]: Finished difference Result 585 states and 782 transitions. [2020-10-13 11:48:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 11:48:33,418 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2020-10-13 11:48:33,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:48:33,423 INFO L225 Difference]: With dead ends: 585 [2020-10-13 11:48:33,423 INFO L226 Difference]: Without dead ends: 433 [2020-10-13 11:48:33,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:48:33,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-10-13 11:48:33,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 278. [2020-10-13 11:48:33,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-10-13 11:48:33,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 364 transitions. [2020-10-13 11:48:33,540 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 364 transitions. Word has length 133 [2020-10-13 11:48:33,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:48:33,540 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 364 transitions. [2020-10-13 11:48:33,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:48:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 364 transitions. [2020-10-13 11:48:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 11:48:33,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:48:33,543 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:48:33,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:48:33,544 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:48:33,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:48:33,544 INFO L82 PathProgramCache]: Analyzing trace with hash 206823566, now seen corresponding path program 2 times [2020-10-13 11:48:33,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:48:33,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1664689554] [2020-10-13 11:48:33,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:48:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:33,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:33,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:33,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:33,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:36,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:36,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:38,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:38,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-13 11:48:38,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:48:38,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:48:38,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:48:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 11:48:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:48:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:39,737 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:48:39,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:48:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:39,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:39,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:39,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:39,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:39,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:48:39,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:39,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:39,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:39,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:39,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:39,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:39,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:39,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:39,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:39,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:39,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:39,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:39,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:39,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:48:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:39,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:39,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:39,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:39,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:39,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:39,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:39,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:39,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:39,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:39,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:39,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:48:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:39,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:39,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:39,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:39,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:39,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:39,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:39,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:48:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:39,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:39,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:39,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:48:40,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:48:40,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-13 11:48:40,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:40,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:40,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:40,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:40,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:40,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:40,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:48:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:40,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:40,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:40,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:40,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:40,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:48:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:40,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:40,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:40,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:40,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 11:48:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:48:40,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:48:40,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:48:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:40,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:40,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:40,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:40,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 11:48:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:40,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:40,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 11:48:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:40,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:40,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:48:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:40,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:40,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:48:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:48:40,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:40,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:48:40,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:40,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:40,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:40,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:48:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:40,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:40,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 11:48:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:40,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:40,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:40,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:40,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:40,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:40,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:40,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:40,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:48:40,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:40,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:48:40,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1664689554] [2020-10-13 11:48:40,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:48:40,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:48:40,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446259960] [2020-10-13 11:48:40,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:48:40,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:48:40,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:48:40,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:48:40,304 INFO L87 Difference]: Start difference. First operand 278 states and 364 transitions. Second operand 9 states. [2020-10-13 11:48:42,195 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:48:47,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:48:47,421 INFO L93 Difference]: Finished difference Result 689 states and 965 transitions. [2020-10-13 11:48:47,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:48:47,422 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 138 [2020-10-13 11:48:47,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:48:47,431 INFO L225 Difference]: With dead ends: 689 [2020-10-13 11:48:47,431 INFO L226 Difference]: Without dead ends: 490 [2020-10-13 11:48:47,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:48:47,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-10-13 11:48:47,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 308. [2020-10-13 11:48:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-10-13 11:48:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 417 transitions. [2020-10-13 11:48:47,615 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 417 transitions. Word has length 138 [2020-10-13 11:48:47,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:48:47,616 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 417 transitions. [2020-10-13 11:48:47,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:48:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 417 transitions. [2020-10-13 11:48:47,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-13 11:48:47,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:48:47,620 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:48:47,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:48:47,621 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:48:47,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:48:47,621 INFO L82 PathProgramCache]: Analyzing trace with hash -502535808, now seen corresponding path program 1 times [2020-10-13 11:48:47,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:48:47,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75030548] [2020-10-13 11:48:47,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:48:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:47,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:47,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:47,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:47,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:48,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:49,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:49,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:52,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:52,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 11:48:52,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:48:52,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:48:52,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:48:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-13 11:48:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:48:52,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:53,767 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:48:53,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:48:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:53,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:53,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:53,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:53,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:53,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:48:53,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:53,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:53,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:53,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:53,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:53,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:53,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:53,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:53,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:53,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:53,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:53,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:53,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:53,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:48:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:53,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:53,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:53,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:53,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:53,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:53,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:53,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:53,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:48:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:53,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:53,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:53,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:53,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:53,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:53,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:53,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:53,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:53,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:53,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:53,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:48:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:53,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:53,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:53,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:53,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:53,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:48:53,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:48:53,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-13 11:48:53,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:53,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:53,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:54,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:54,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:54,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:54,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:48:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:54,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:54,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:54,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:54,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:54,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:48:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:54,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:54,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:54,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:54,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:54,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 11:48:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:48:54,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:48:54,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:48:54,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:54,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:54,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:54,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:54,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:54,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 11:48:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:54,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:54,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:48:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:54,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:54,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:54,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:48:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:54,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:54,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:54,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 11:48:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:48:54,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:54,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:48:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:54,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:54,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:54,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 11:48:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:54,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:54,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:54,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 11:48:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:54,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:54,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:54,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:54,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:54,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:54,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:48:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:54,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:48:54,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75030548] [2020-10-13 11:48:54,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:48:54,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:48:54,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244662349] [2020-10-13 11:48:54,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:48:54,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:48:54,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:48:54,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:48:54,180 INFO L87 Difference]: Start difference. First operand 308 states and 417 transitions. Second operand 9 states. [2020-10-13 11:48:56,145 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:49:00,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:49:00,851 INFO L93 Difference]: Finished difference Result 743 states and 1062 transitions. [2020-10-13 11:49:00,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:49:00,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2020-10-13 11:49:00,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:49:00,857 INFO L225 Difference]: With dead ends: 743 [2020-10-13 11:49:00,857 INFO L226 Difference]: Without dead ends: 490 [2020-10-13 11:49:00,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:49:00,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-10-13 11:49:00,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 308. [2020-10-13 11:49:00,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-10-13 11:49:00,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 415 transitions. [2020-10-13 11:49:00,987 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 415 transitions. Word has length 140 [2020-10-13 11:49:00,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:49:00,987 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 415 transitions. [2020-10-13 11:49:00,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:49:00,987 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 415 transitions. [2020-10-13 11:49:00,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-13 11:49:00,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:49:00,989 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:49:00,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:49:00,990 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:49:00,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:49:00,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1104060892, now seen corresponding path program 2 times [2020-10-13 11:49:00,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:49:00,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [244239889] [2020-10-13 11:49:00,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:49:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:01,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:01,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:01,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:01,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:01,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:02,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 11:49:06,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:49:06,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 11:49:06,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:49:06,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:49:06,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:49:06,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,127 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:49:07,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:49:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:07,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:49:07,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:07,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:07,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:49:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:07,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:07,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:49:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:07,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:07,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:49:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:49:07,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:49:07,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-13 11:49:07,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:49:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 11:49:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:49:07,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:49:07,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:49:07,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:07,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:07,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:49:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:49:07,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:07,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:07,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:07,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:49:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:49:07,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:49:07,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:49:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:49:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 11:49:07,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:07,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:49:07,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:49:07,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:49:07,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 11:49:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:49:07,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:49:07,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:49:07,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:07,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:07,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:07,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:07,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:49:07,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 11:49:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:07,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:07,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:49:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:07,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:07,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:49:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:07,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:49:07,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 11:49:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:49:07,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:07,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:49:07,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:07,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:07,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:07,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 11:49:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:07,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:07,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:07,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:07,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 11:49:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:07,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:07,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:07,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:07,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:07,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:07,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:07,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:07,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:49:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:07,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:49:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:49:07,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [244239889] [2020-10-13 11:49:07,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:49:07,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:49:07,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222938320] [2020-10-13 11:49:07,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:49:07,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:49:07,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:49:07,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:49:07,644 INFO L87 Difference]: Start difference. First operand 308 states and 415 transitions. Second operand 13 states. [2020-10-13 11:49:09,532 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:49:10,979 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-13 11:49:12,123 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-13 11:49:13,298 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-13 11:49:18,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:49:18,673 INFO L93 Difference]: Finished difference Result 767 states and 1086 transitions. [2020-10-13 11:49:18,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:49:18,674 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 140 [2020-10-13 11:49:18,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:49:18,679 INFO L225 Difference]: With dead ends: 767 [2020-10-13 11:49:18,680 INFO L226 Difference]: Without dead ends: 498 [2020-10-13 11:49:18,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:49:18,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-13 11:49:18,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 314. [2020-10-13 11:49:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2020-10-13 11:49:18,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 422 transitions. [2020-10-13 11:49:18,817 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 422 transitions. Word has length 140 [2020-10-13 11:49:18,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:49:18,817 INFO L479 AbstractCegarLoop]: Abstraction has 314 states and 422 transitions. [2020-10-13 11:49:18,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:49:18,818 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 422 transitions. [2020-10-13 11:49:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 11:49:18,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:49:18,820 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:49:18,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:49:18,820 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:49:18,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:49:18,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1450005471, now seen corresponding path program 1 times [2020-10-13 11:49:18,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:49:18,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103028486] [2020-10-13 11:49:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:49:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:19,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:20,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:20,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:23,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:23,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-13 11:49:23,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:49:23,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 11:49:23,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:49:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 11:49:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:49:23,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,008 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:49:25,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:49:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:25,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:49:25,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:25,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:25,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:25,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:49:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:25,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:25,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:49:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:25,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:25,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:49:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 11:49:25,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:49:25,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-13 11:49:25,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:49:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:49:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:49:25,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:49:25,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:49:25,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:25,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:25,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:49:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:49:25,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:49:25,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:49:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:49:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 11:49:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:25,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:49:25,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:49:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:49:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:49:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:49:25,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:25,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:49:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:49:25,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:25,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:25,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 11:49:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:49:25,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:49:25,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:49:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:25,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:25,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:25,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:25,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:25,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 11:49:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:25,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:25,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:25,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 11:49:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:25,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:25,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:25,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:49:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:25,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:25,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:25,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 11:49:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:49:25,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:25,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:49:25,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:25,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:25,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:25,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 11:49:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:25,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:25,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:49:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:25,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:25,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:25,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:25,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:25,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:25,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:25,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:25,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:49:25,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:25,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:49:25,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103028486] [2020-10-13 11:49:25,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:49:25,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 11:49:25,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058154701] [2020-10-13 11:49:25,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:49:25,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:49:25,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:49:25,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:49:25,456 INFO L87 Difference]: Start difference. First operand 314 states and 422 transitions. Second operand 13 states. [2020-10-13 11:49:27,112 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:49:28,466 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-13 11:49:29,621 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-13 11:49:30,797 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-13 11:49:36,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:49:36,256 INFO L93 Difference]: Finished difference Result 787 states and 1107 transitions. [2020-10-13 11:49:36,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:49:36,257 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 141 [2020-10-13 11:49:36,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:49:36,261 INFO L225 Difference]: With dead ends: 787 [2020-10-13 11:49:36,261 INFO L226 Difference]: Without dead ends: 506 [2020-10-13 11:49:36,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:49:36,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2020-10-13 11:49:36,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 320. [2020-10-13 11:49:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-13 11:49:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 429 transitions. [2020-10-13 11:49:36,377 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 429 transitions. Word has length 141 [2020-10-13 11:49:36,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:49:36,377 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 429 transitions. [2020-10-13 11:49:36,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:49:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 429 transitions. [2020-10-13 11:49:36,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-13 11:49:36,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:49:36,380 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:49:36,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:49:36,380 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:49:36,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:49:36,380 INFO L82 PathProgramCache]: Analyzing trace with hash 433618476, now seen corresponding path program 2 times [2020-10-13 11:49:36,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:49:36,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340221526] [2020-10-13 11:49:36,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:49:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:36,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:36,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:36,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:36,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:37,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:37,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:37,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:41,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:41,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 11:49:41,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:49:41,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:49:41,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:41,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:49:41,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:49:41,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:49:41,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,548 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:49:42,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:49:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:42,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:49:42,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:42,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:42,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:49:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:42,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:42,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:49:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:42,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:42,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:49:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 11:49:42,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:49:42,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:49:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:49:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:49:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:49:42,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:49:42,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:42,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:42,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:49:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:49:42,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:42,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:49:42,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:42,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:49:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:49:42,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:49:42,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:49:42,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:49:42,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:49:42,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:49:42,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:49:42,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:49:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:49:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 11:49:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:49:42,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:49:42,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:49:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:42,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:42,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:42,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:42,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 11:49:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:42,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:42,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 11:49:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:42,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:42,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:42,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:49:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:42,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:42,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 11:49:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:49:42,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:42,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:49:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:42,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:42,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 11:49:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:42,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:42,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:42,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:49:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:42,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:42,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:42,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:42,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:42,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:49:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:42,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:49:42,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340221526] [2020-10-13 11:49:42,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:49:42,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:49:42,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698249587] [2020-10-13 11:49:42,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:49:42,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:49:42,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:49:42,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:49:42,901 INFO L87 Difference]: Start difference. First operand 320 states and 429 transitions. Second operand 13 states. [2020-10-13 11:49:44,515 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:49:46,048 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-13 11:49:47,176 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-13 11:49:48,325 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-13 11:49:54,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:49:54,342 INFO L93 Difference]: Finished difference Result 777 states and 1094 transitions. [2020-10-13 11:49:54,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:49:54,343 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 142 [2020-10-13 11:49:54,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:49:54,347 INFO L225 Difference]: With dead ends: 777 [2020-10-13 11:49:54,348 INFO L226 Difference]: Without dead ends: 508 [2020-10-13 11:49:54,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:49:54,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-10-13 11:49:54,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 320. [2020-10-13 11:49:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-13 11:49:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 428 transitions. [2020-10-13 11:49:54,530 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 428 transitions. Word has length 142 [2020-10-13 11:49:54,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:49:54,530 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 428 transitions. [2020-10-13 11:49:54,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:49:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 428 transitions. [2020-10-13 11:49:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-13 11:49:54,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:49:54,532 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:49:54,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 11:49:54,533 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:49:54,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:49:54,533 INFO L82 PathProgramCache]: Analyzing trace with hash -500700950, now seen corresponding path program 1 times [2020-10-13 11:49:54,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:49:54,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165868322] [2020-10-13 11:49:54,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:49:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:54,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:55,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:55,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:55,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:59,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:59,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-13 11:49:59,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:49:59,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 11:49:59,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:49:59,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:49:59,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:49:59,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,698 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:50:00,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:50:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:00,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:50:00,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:00,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:50:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:00,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:50:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:00,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:50:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:50:00,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:50:00,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:50:00,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:50:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:50:00,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:50:00,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:50:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:50:00,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:50:00,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 11:50:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:50:00,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:50:00,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:50:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 11:50:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 11:50:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:00,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 11:50:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 11:50:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:50:00,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:50:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:00,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:50:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:00,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:50:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:00,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:50:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:50:00,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165868322] [2020-10-13 11:50:00,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:50:00,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:50:00,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282317662] [2020-10-13 11:50:00,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:50:00,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:50:00,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:50:00,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:50:00,925 INFO L87 Difference]: Start difference. First operand 320 states and 428 transitions. Second operand 9 states. [2020-10-13 11:50:02,992 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:50:08,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:50:08,350 INFO L93 Difference]: Finished difference Result 861 states and 1262 transitions. [2020-10-13 11:50:08,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:50:08,351 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 143 [2020-10-13 11:50:08,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:50:08,354 INFO L225 Difference]: With dead ends: 861 [2020-10-13 11:50:08,354 INFO L226 Difference]: Without dead ends: 612 [2020-10-13 11:50:08,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:50:08,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-10-13 11:50:08,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 373. [2020-10-13 11:50:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-10-13 11:50:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 521 transitions. [2020-10-13 11:50:08,515 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 521 transitions. Word has length 143 [2020-10-13 11:50:08,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:50:08,516 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 521 transitions. [2020-10-13 11:50:08,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:50:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 521 transitions. [2020-10-13 11:50:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-13 11:50:08,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:50:08,518 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:50:08,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 11:50:08,519 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:50:08,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:50:08,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1272199009, now seen corresponding path program 1 times [2020-10-13 11:50:08,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:50:08,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274368904] [2020-10-13 11:50:08,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:50:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:08,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:08,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:08,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:08,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 11:50:13,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:50:13,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:50:13,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:50:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:50:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 11:50:13,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,722 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:50:14,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:50:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:14,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:50:14,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:14,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:14,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:50:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:14,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:14,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:50:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:14,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:14,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:50:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:50:14,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:50:14,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:50:14,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:14,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:14,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:14,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:50:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:50:14,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:50:14,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:50:14,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:14,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:50:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:50:14,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:14,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:50:14,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:14,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:50:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:50:14,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:50:14,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:50:14,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:14,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:14,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:14,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:14,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 11:50:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:14,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:14,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:50:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:14,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:14,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:50:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:14,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:14,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:50:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:50:14,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:14,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:50:14,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:14,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:14,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:14,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 11:50:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:14,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:14,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 11:50:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:14,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:14,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:14,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:14,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:14,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:14,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:14,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:14,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:50:14,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:14,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:50:14,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274368904] [2020-10-13 11:50:14,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:50:14,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 11:50:14,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248233747] [2020-10-13 11:50:14,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:50:14,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:50:14,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:50:14,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:50:14,973 INFO L87 Difference]: Start difference. First operand 373 states and 521 transitions. Second operand 11 states. [2020-10-13 11:50:16,990 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:50:18,117 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:50:19,322 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:50:25,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:50:25,290 INFO L93 Difference]: Finished difference Result 919 states and 1368 transitions. [2020-10-13 11:50:25,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:50:25,291 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 144 [2020-10-13 11:50:25,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:50:25,296 INFO L225 Difference]: With dead ends: 919 [2020-10-13 11:50:25,296 INFO L226 Difference]: Without dead ends: 767 [2020-10-13 11:50:25,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=136, Invalid=244, Unknown=0, NotChecked=0, Total=380 [2020-10-13 11:50:25,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-10-13 11:50:25,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 458. [2020-10-13 11:50:25,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-13 11:50:25,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 670 transitions. [2020-10-13 11:50:25,525 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 670 transitions. Word has length 144 [2020-10-13 11:50:25,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:50:25,526 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 670 transitions. [2020-10-13 11:50:25,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:50:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 670 transitions. [2020-10-13 11:50:25,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 11:50:25,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:50:25,527 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:50:25,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 11:50:25,528 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:50:25,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:50:25,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1747971709, now seen corresponding path program 1 times [2020-10-13 11:50:25,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:50:25,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532151108] [2020-10-13 11:50:25,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:50:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:25,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:25,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:25,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:26,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:30,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:30,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-13 11:50:30,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 11:50:30,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 11:50:30,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:30,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:50:30,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:50:30,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:50:30,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,692 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:50:31,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:50:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:31,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:50:31,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:31,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:50:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:31,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:50:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:31,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:50:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:50:31,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:50:31,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:50:31,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:31,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:31,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:50:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:50:31,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:31,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:50:31,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:50:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:50:31,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:31,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:50:31,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:50:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:50:31,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:50:31,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:50:31,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:31,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:31,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:31,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:31,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 11:50:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:31,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:31,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:50:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:31,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 11:50:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:31,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:31,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:50:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:50:31,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:31,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:50:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:31,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:31,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 11:50:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:31,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:31,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 11:50:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:31,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:31,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:31,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:31,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:31,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:31,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:31,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:31,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:50:31,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:31,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:50:31,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532151108] [2020-10-13 11:50:31,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:50:31,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:50:31,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378715376] [2020-10-13 11:50:31,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:50:31,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:50:31,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:50:31,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:50:31,930 INFO L87 Difference]: Start difference. First operand 458 states and 670 transitions. Second operand 9 states. [2020-10-13 11:50:34,158 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:50:41,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:50:41,044 INFO L93 Difference]: Finished difference Result 1373 states and 2182 transitions. [2020-10-13 11:50:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:50:41,045 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 145 [2020-10-13 11:50:41,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:50:41,053 INFO L225 Difference]: With dead ends: 1373 [2020-10-13 11:50:41,053 INFO L226 Difference]: Without dead ends: 1006 [2020-10-13 11:50:41,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:50:41,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2020-10-13 11:50:41,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 596. [2020-10-13 11:50:41,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-13 11:50:41,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 905 transitions. [2020-10-13 11:50:41,983 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 905 transitions. Word has length 145 [2020-10-13 11:50:41,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:50:41,984 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 905 transitions. [2020-10-13 11:50:41,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:50:41,984 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 905 transitions. [2020-10-13 11:50:41,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 11:50:41,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:50:41,988 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:50:41,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 11:50:41,989 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:50:41,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:50:41,989 INFO L82 PathProgramCache]: Analyzing trace with hash 699963294, now seen corresponding path program 1 times [2020-10-13 11:50:41,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:50:41,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614030477] [2020-10-13 11:50:41,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:50:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:42,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:47,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:47,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-13 11:50:47,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 11:50:47,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 11:50:47,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:47,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:50:47,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:50:47,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:50:47,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,239 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:50:48,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:50:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:48,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:50:48,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:48,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:48,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:50:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:48,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:48,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:50:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:48,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:48,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:50:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:50:48,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:50:48,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:50:48,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:48,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:48,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:48,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:50:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:50:48,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:48,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:50:48,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:48,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:50:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:50:48,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:48,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:50:48,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:48,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:50:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:50:48,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:50:48,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:50:48,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:48,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:48,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:48,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:48,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:50:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:48,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:48,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 11:50:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:48,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:48,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 11:50:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:48,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:48,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:50:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:50:48,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:48,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:50:48,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:48,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:48,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 11:50:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:48,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:48,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 11:50:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:48,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:48,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:48,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:48,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:48,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:48,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:48,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:48,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:50:48,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:48,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:50:48,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614030477] [2020-10-13 11:50:48,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:50:48,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:50:48,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192748370] [2020-10-13 11:50:48,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:50:48,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:50:48,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:50:48,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:50:48,462 INFO L87 Difference]: Start difference. First operand 596 states and 905 transitions. Second operand 9 states. [2020-10-13 11:50:50,344 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:50:55,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:50:55,772 INFO L93 Difference]: Finished difference Result 1939 states and 3188 transitions. [2020-10-13 11:50:55,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:50:55,773 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-10-13 11:50:55,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:50:55,779 INFO L225 Difference]: With dead ends: 1939 [2020-10-13 11:50:55,779 INFO L226 Difference]: Without dead ends: 1456 [2020-10-13 11:50:55,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:50:55,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2020-10-13 11:50:56,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 836. [2020-10-13 11:50:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2020-10-13 11:50:56,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1312 transitions. [2020-10-13 11:50:56,463 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1312 transitions. Word has length 146 [2020-10-13 11:50:56,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:50:56,463 INFO L479 AbstractCegarLoop]: Abstraction has 836 states and 1312 transitions. [2020-10-13 11:50:56,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:50:56,464 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1312 transitions. [2020-10-13 11:50:56,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 11:50:56,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:50:56,467 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:50:56,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 11:50:56,467 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:50:56,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:50:56,468 INFO L82 PathProgramCache]: Analyzing trace with hash -740078011, now seen corresponding path program 1 times [2020-10-13 11:50:56,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:50:56,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531575769] [2020-10-13 11:50:56,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:50:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:56,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:56,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:56,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:56,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:58,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:58,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:58,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:59,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:59,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:59,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:01,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:01,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-13 11:51:01,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:51:01,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:51:01,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:51:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:51:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:51:01,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,634 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:51:02,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:51:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:02,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:51:02,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:51:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:51:02,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:51:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:51:02,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:51:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:02,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:51:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:51:02,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:51:02,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:51:02,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:02,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:02,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:51:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:51:02,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:02,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:51:02,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:51:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:51:02,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:02,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:51:02,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 11:51:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:51:02,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:51:02,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:51:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:02,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:02,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:51:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:02,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:02,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 11:51:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:02,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:51:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:02,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:02,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 11:51:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:02,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:02,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 11:51:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:51:02,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:02,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:51:02,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:02,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 11:51:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:02,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:02,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 11:51:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:02,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:02,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:02,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:02,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:02,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:02,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:51:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:02,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:51:02,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531575769] [2020-10-13 11:51:02,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:51:02,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:51:02,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101567681] [2020-10-13 11:51:02,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:51:02,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:51:02,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:51:02,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:51:02,859 INFO L87 Difference]: Start difference. First operand 836 states and 1312 transitions. Second operand 9 states. [2020-10-13 11:51:04,889 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:51:10,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:51:10,922 INFO L93 Difference]: Finished difference Result 2995 states and 5054 transitions. [2020-10-13 11:51:10,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:51:10,922 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2020-10-13 11:51:10,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:51:10,933 INFO L225 Difference]: With dead ends: 2995 [2020-10-13 11:51:10,933 INFO L226 Difference]: Without dead ends: 2300 [2020-10-13 11:51:10,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:51:10,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2020-10-13 11:51:12,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 1274. [2020-10-13 11:51:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2020-10-13 11:51:12,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 2051 transitions. [2020-10-13 11:51:12,106 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 2051 transitions. Word has length 147 [2020-10-13 11:51:12,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:51:12,106 INFO L479 AbstractCegarLoop]: Abstraction has 1274 states and 2051 transitions. [2020-10-13 11:51:12,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:51:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 2051 transitions. [2020-10-13 11:51:12,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-13 11:51:12,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:51:12,111 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:51:12,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 11:51:12,111 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:51:12,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:51:12,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1862745820, now seen corresponding path program 1 times [2020-10-13 11:51:12,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:51:12,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823913629] [2020-10-13 11:51:12,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:51:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:12,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:12,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:12,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:12,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:14,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:14,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:14,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:14,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:14,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:17,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:17,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-13 11:51:17,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:51:17,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 11:51:17,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:17,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:51:17,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:51:17,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:51:17,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,282 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-13 11:51:18,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:51:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:18,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:51:18,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:51:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:51:18,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:18,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:51:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:51:18,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:18,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:51:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:18,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:18,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:51:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:51:18,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:51:18,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:51:18,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:51:18,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:18,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:18,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:51:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:51:18,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:51:18,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:51:18,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:18,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:51:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:51:18,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:18,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:51:18,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:18,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 11:51:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:51:18,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:51:18,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:51:18,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:18,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:18,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:51:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:18,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:18,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 11:51:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:18,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:18,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:51:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:18,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:18,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:18,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:51:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:18,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:18,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:18,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 11:51:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:51:18,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:18,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:51:18,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:18,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:18,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 11:51:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:18,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:18,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 11:51:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:18,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:18,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:18,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:18,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:18,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:51:18,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:18,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:18,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:51:18,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:18,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:51:18,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823913629] [2020-10-13 11:51:18,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:51:18,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:51:18,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947904743] [2020-10-13 11:51:18,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:51:18,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:51:18,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:51:18,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:51:18,513 INFO L87 Difference]: Start difference. First operand 1274 states and 2051 transitions. Second operand 9 states. [2020-10-13 11:51:20,331 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:51:27,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:51:27,684 INFO L93 Difference]: Finished difference Result 4895 states and 8351 transitions. [2020-10-13 11:51:27,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:51:27,685 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-10-13 11:51:27,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:51:27,703 INFO L225 Difference]: With dead ends: 4895 [2020-10-13 11:51:27,704 INFO L226 Difference]: Without dead ends: 3808 [2020-10-13 11:51:27,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:51:27,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3808 states. [2020-10-13 11:51:29,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3808 to 2032. [2020-10-13 11:51:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2032 states. [2020-10-13 11:51:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 3331 transitions. [2020-10-13 11:51:29,349 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 3331 transitions. Word has length 148 [2020-10-13 11:51:29,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:51:29,350 INFO L479 AbstractCegarLoop]: Abstraction has 2032 states and 3331 transitions. [2020-10-13 11:51:29,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:51:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 3331 transitions. [2020-10-13 11:51:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-13 11:51:29,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:51:29,355 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:51:29,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 11:51:29,356 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:51:29,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:51:29,356 INFO L82 PathProgramCache]: Analyzing trace with hash 253152007, now seen corresponding path program 1 times [2020-10-13 11:51:29,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:51:29,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917497469] [2020-10-13 11:51:29,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:51:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:29,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:29,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:29,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:29,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking...