/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:02:35,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:02:35,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:02:35,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:02:35,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:02:35,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:02:35,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:02:35,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:02:35,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:02:35,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:02:35,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:02:35,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:02:35,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:02:35,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:02:35,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:02:35,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:02:35,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:02:35,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:02:35,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:02:35,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:02:35,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:02:35,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:02:35,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:02:35,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:02:35,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:02:35,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:02:35,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:02:35,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:02:35,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:02:35,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:02:35,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:02:35,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:02:35,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:02:35,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:02:35,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:02:35,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:02:35,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:02:35,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:02:35,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:02:35,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:02:35,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:02:35,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 17:02:35,460 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:02:35,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:02:35,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:02:35,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:02:35,462 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:02:35,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:02:35,463 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:02:35,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:02:35,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:02:35,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:02:35,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:02:35,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:02:35,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:02:35,464 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:02:35,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:02:35,465 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:02:35,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:02:35,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:02:35,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:02:35,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:02:35,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:02:35,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:02:35,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:02:35,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:02:35,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:02:35,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:02:35,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:02:35,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:02:35,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:02:35,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:02:35,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:02:35,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:02:35,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:02:35,760 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:02:35,760 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:02:35,761 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2020-10-12 17:02:35,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f69e48aa/8a009574e7064413a17dd141a8cec732/FLAG86cd63f8d [2020-10-12 17:02:36,435 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:02:36,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2020-10-12 17:02:36,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f69e48aa/8a009574e7064413a17dd141a8cec732/FLAG86cd63f8d [2020-10-12 17:02:36,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f69e48aa/8a009574e7064413a17dd141a8cec732 [2020-10-12 17:02:36,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:02:36,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:02:36,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:02:36,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:02:36,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:02:36,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:02:36" (1/1) ... [2020-10-12 17:02:36,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30847a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:36, skipping insertion in model container [2020-10-12 17:02:36,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:02:36" (1/1) ... [2020-10-12 17:02:36,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:02:36,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:02:37,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:02:37,396 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:02:37,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:02:37,561 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:02:37,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:37 WrapperNode [2020-10-12 17:02:37,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:02:37,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:02:37,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:02:37,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:02:37,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:37" (1/1) ... [2020-10-12 17:02:37,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:37" (1/1) ... [2020-10-12 17:02:37,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:37" (1/1) ... [2020-10-12 17:02:37,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:37" (1/1) ... [2020-10-12 17:02:37,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:37" (1/1) ... [2020-10-12 17:02:37,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:37" (1/1) ... [2020-10-12 17:02:37,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:37" (1/1) ... [2020-10-12 17:02:37,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:02:37,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:02:37,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:02:37,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:02:37,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:02:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:02:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:02:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:02:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:02:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:02:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:02:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:02:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:02:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:02:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:02:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:02:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:02:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:02:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:02:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:02:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:02:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:02:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:02:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:02:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:02:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:02:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:02:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:02:37,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:02:37,811 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:02:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:02:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:02:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:02:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:02:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:02:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:02:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:02:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:02:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:02:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:02:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:02:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:02:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:02:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:02:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:02:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:02:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:02:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:02:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:02:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:02:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:02:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:02:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:02:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:02:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:02:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:02:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:02:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:02:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:02:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:02:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:02:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:02:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-10-12 17:02:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-12 17:02:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:02:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:02:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:02:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:02:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:02:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:02:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:02:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:02:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-12 17:02:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:02:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:02:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:02:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:02:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:02:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:02:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:02:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-12 17:02:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:02:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:02:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:02:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:02:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:02:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:02:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:02:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:02:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:02:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-12 17:02:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:02:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:02:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:02:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:02:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:02:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:02:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:02:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:02:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:02:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:02:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:02:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:02:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:02:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:02:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:02:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:02:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:02:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:02:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:02:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:02:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:02:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:02:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:02:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:02:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:02:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:02:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:02:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:02:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:02:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:02:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:02:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:02:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:02:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:02:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:02:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:02:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:02:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:02:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:02:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:02:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:02:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:02:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:02:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:02:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:02:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:02:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:02:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:02:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:02:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:02:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:02:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:02:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:02:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:02:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:02:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:02:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:02:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:02:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:02:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:02:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:02:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:02:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:02:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:02:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:02:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:02:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:02:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:02:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:02:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:02:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:02:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:02:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:02:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:02:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:02:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:02:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:02:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-12 17:02:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-10-12 17:02:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-12 17:02:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-12 17:02:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:02:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-12 17:02:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:02:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:02:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:02:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:02:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:02:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:02:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:02:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:02:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:02:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:02:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:02:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:02:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:02:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:02:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:02:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:02:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:02:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:02:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:02:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:02:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:02:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:02:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:02:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:02:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:02:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:02:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:02:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:02:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:02:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:02:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:02:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:02:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:02:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:02:39,545 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:02:39,545 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:02:39,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:02:39 BoogieIcfgContainer [2020-10-12 17:02:39,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:02:39,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:02:39,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:02:39,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:02:39,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:02:36" (1/3) ... [2020-10-12 17:02:39,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a28347d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:02:39, skipping insertion in model container [2020-10-12 17:02:39,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:37" (2/3) ... [2020-10-12 17:02:39,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a28347d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:02:39, skipping insertion in model container [2020-10-12 17:02:39,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:02:39" (3/3) ... [2020-10-12 17:02:39,560 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product10.cil.c [2020-10-12 17:02:39,571 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:02:39,580 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:02:39,594 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:02:39,621 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:02:39,621 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:02:39,621 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:02:39,621 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:02:39,622 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:02:39,622 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:02:39,622 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:02:39,622 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:02:39,646 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states. [2020-10-12 17:02:39,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-12 17:02:39,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:02:39,662 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] [2020-10-12 17:02:39,662 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:02:39,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:02:39,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1890190681, now seen corresponding path program 1 times [2020-10-12 17:02:39,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:02:39,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832437490] [2020-10-12 17:02:39,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:02:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:40,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:40,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:40,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:41,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:45,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:45,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 17:02:45,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:02:45,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-12 17:02:45,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:45,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 17:02:45,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 17:02:45,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-12 17:02:45,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 17:02:46,958 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-12 17:02:46,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:02:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:46,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:02:47,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:47,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 17:02:47,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:47,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:02:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:02:47,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:47,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:47,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:47,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:02:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:02:47,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:47,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:47,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:47,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:02:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:02:47,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:47,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:47,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:47,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:47,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:02:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 17:02:47,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:02:47,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 399 [2020-10-12 17:02:47,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:02:47,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:02:47,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:02:47,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:02:47,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:47,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:02:47,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:47,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:47,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:47,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:47,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:47,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:47,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:02:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:02:47,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:02:47,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:02:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:02:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 17:02:47,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:47,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:02:47,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:02:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:02:47,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 17:02:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:02:47,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:47,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:02:47,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:47,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 17:02:47,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:47,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:47,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:47,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:47,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:47,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:47,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:47,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 17:02:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:47,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:47,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:02:47,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:47,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 17:02:47,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:47,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:02:47,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:47,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:02:47,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:47,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:47,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:48,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:48,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:48,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:48,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:02:48,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:02:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:02:48,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:48,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:02:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:48,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:48,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:48,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:48,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:48,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 17:02:48,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:48,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:02:48,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:48,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:02:48,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:48,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 17:02:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:48,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:48,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:48,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:48,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:48,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:02:48,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:02:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:02:48,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:02:48,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 17:02:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:48,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:48,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:48,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:48,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:48,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:02:48,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:48,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:02:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:02:48,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:48,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 17:02:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:48,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:48,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:48,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:48,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:48,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:02:48,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:48,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:02:48,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:48,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:02:48,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:48,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 17:02:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:48,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:48,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:48,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:02:48,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:48,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:02:48,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:02:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:48,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:02:48,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:48,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:48,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:48,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:48,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:02:48,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:48,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:48,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:48,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:48,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:48,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:48,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 17:02:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:48,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:48,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:48,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:48,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:48,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:02:48,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:02:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:02:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:02:48,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:48,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:02:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:48,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:48,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:02:48,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:48,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:02:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:48,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:48,370 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 17:02:48,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832437490] [2020-10-12 17:02:48,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:02:48,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 17:02:48,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370281290] [2020-10-12 17:02:48,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 17:02:48,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:02:48,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 17:02:48,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2020-10-12 17:02:48,406 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 29 states. [2020-10-12 17:02:51,204 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-12 17:02:52,802 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-12 17:02:54,117 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:02:55,437 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:02:57,731 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 509 [2020-10-12 17:02:59,072 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 17:03:00,483 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:02,952 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:05,199 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-12 17:03:07,313 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 17:03:08,663 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:09,932 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:11,281 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:12,572 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:03:13,783 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:15,052 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:03:16,563 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 17:03:17,832 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 513 [2020-10-12 17:03:19,891 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 17:03:22,878 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:27,037 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:28,292 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:03:34,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:03:34,648 INFO L93 Difference]: Finished difference Result 970 states and 1381 transitions. [2020-10-12 17:03:34,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2020-10-12 17:03:34,650 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 127 [2020-10-12 17:03:34,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:03:34,674 INFO L225 Difference]: With dead ends: 970 [2020-10-12 17:03:34,674 INFO L226 Difference]: Without dead ends: 668 [2020-10-12 17:03:34,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2689 ImplicationChecksByTransitivity, 31.0s TimeCoverageRelationStatistics Valid=1394, Invalid=8506, Unknown=0, NotChecked=0, Total=9900 [2020-10-12 17:03:34,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2020-10-12 17:03:34,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 450. [2020-10-12 17:03:34,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-10-12 17:03:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 576 transitions. [2020-10-12 17:03:34,982 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 576 transitions. Word has length 127 [2020-10-12 17:03:34,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:03:34,983 INFO L479 AbstractCegarLoop]: Abstraction has 450 states and 576 transitions. [2020-10-12 17:03:34,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 17:03:34,983 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 576 transitions. [2020-10-12 17:03:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-12 17:03:34,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:03:34,988 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] [2020-10-12 17:03:34,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:03:34,989 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:03:34,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:03:34,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1597690790, now seen corresponding path program 1 times [2020-10-12 17:03:34,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:03:34,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660269739] [2020-10-12 17:03:34,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:03:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:35,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:35,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:35,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:35,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:35,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:36,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:38,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:38,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:38,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:38,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:40,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:40,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-12 17:03:40,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 17:03:40,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 17:03:40,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:40,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 17:03:40,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-12 17:03:40,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 17:03:40,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:41,334 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-12 17:03:41,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:03:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:41,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:41,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 17:03:41,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:41,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:41,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:41,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:41,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:03:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:03:41,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:41,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:03:41,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:41,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:41,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:41,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:41,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:03:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:03:41,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:03:41,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:41,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:41,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:03:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:41,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:41,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:41,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:41,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:03:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 17:03:41,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:03:41,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 17:03:41,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:03:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 17:03:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:03:41,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:41,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:03:41,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:41,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:03:41,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:41,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:41,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:41,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:41,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:41,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:41,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:41,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:41,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:03:41,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:03:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:03:41,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:41,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:03:41,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:41,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:41,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:41,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:41,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:03:41,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:41,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:03:41,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:41,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:41,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:03:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:03:41,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:41,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:03:41,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:03:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:03:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 17:03:41,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:41,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:41,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:41,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:03:41,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:03:41,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:41,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:03:41,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:03:41,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 17:03:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:03:41,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:03:41,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-12 17:03:41,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:03:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:03:41,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:41,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:41,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:41,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:41,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:41,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:41,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:03:41,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:03:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:41,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:03:41,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:42,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:03:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:42,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:42,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:42,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:03:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:03:42,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:03:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:03:42,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:42,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 17:03:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:42,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:42,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:42,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:42,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:03:42,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:03:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:03:42,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:03:42,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 17:03:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:42,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:42,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:42,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:03:42,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:03:42,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:42,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:03:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:03:42,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:42,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 17:03:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:42,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:42,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:03:42,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:03:42,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:03:42,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:42,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:03:42,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:03:42,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:03:42,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:03:42,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 17:03:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:42,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:42,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:03:42,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:42,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:03:42,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:03:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:42,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:42,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:42,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:42,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:42,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:42,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:42,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 17:03:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:42,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:42,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:42,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:42,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:42,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:42,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:03:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:42,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:42,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:03:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:42,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:42,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:42,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:42,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:42,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:03:42,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 17:03:42,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660269739] [2020-10-12 17:03:42,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:03:42,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2020-10-12 17:03:42,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473967157] [2020-10-12 17:03:42,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-12 17:03:42,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:03:42,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-12 17:03:42,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=643, Unknown=0, NotChecked=0, Total=702 [2020-10-12 17:03:42,394 INFO L87 Difference]: Start difference. First operand 450 states and 576 transitions. Second operand 27 states. [2020-10-12 17:03:45,126 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-12 17:03:46,970 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-12 17:03:48,183 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:49,458 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:51,743 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:53,048 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:54,485 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:03:56,435 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:03:57,813 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:03:59,811 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:01,114 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:04:02,752 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:03,989 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:04:05,253 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:06,558 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:04:08,957 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:11,952 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:13,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:04:13,807 INFO L93 Difference]: Finished difference Result 1049 states and 1397 transitions. [2020-10-12 17:04:13,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-12 17:04:13,808 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 130 [2020-10-12 17:04:13,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:04:13,814 INFO L225 Difference]: With dead ends: 1049 [2020-10-12 17:04:13,814 INFO L226 Difference]: Without dead ends: 571 [2020-10-12 17:04:13,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1033 ImplicationChecksByTransitivity, 23.6s TimeCoverageRelationStatistics Valid=641, Invalid=4471, Unknown=0, NotChecked=0, Total=5112 [2020-10-12 17:04:13,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-10-12 17:04:14,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 452. [2020-10-12 17:04:14,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2020-10-12 17:04:14,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 564 transitions. [2020-10-12 17:04:14,010 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 564 transitions. Word has length 130 [2020-10-12 17:04:14,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:04:14,010 INFO L479 AbstractCegarLoop]: Abstraction has 452 states and 564 transitions. [2020-10-12 17:04:14,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-12 17:04:14,011 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 564 transitions. [2020-10-12 17:04:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-12 17:04:14,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:04:14,013 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 17:04:14,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:04:14,014 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:04:14,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:04:14,014 INFO L82 PathProgramCache]: Analyzing trace with hash 2081542986, now seen corresponding path program 1 times [2020-10-12 17:04:14,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:04:14,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615490677] [2020-10-12 17:04:14,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:04:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:14,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:14,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:14,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:14,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:15,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:15,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:19,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:19,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-12 17:04:19,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:04:19,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 17:04:19,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 17:04:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-12 17:04:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 17:04:19,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:04:20,672 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-12 17:04:20,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:04:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:20,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:20,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:20,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:20,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:20,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 17:04:20,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:20,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:20,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:04:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:20,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:20,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:20,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:04:20,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:20,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:04:20,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:20,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:20,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:04:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:20,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:20,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:20,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:04:20,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:20,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:04:20,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:20,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:20,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:20,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:20,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:20,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:04:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:20,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:20,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:20,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:20,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:20,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:20,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:20,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:20,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:20,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:20,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:20,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:04:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:20,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:20,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:20,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:20,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 17:04:20,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:04:20,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-12 17:04:20,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:04:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 17:04:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:04:20,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:04:20,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:20,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:20,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:20,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:04:20,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:20,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:04:20,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:20,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:20,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:20,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:04:20,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:20,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:20,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:20,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:20,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:20,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:20,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:20,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:04:20,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:04:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:20,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:20,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:20,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:04:20,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:20,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:04:20,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:20,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:20,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:04:20,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:20,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:20,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:20,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:04:20,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:20,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:04:20,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:20,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:20,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:20,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:20,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:04:20,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:04:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:20,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:20,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:20,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:04:20,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:20,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:04:20,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:04:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:04:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:04:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:04:21,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:21,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:21,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:04:21,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:21,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:04:21,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:04:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:04:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:04:21,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 17:04:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:21,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:21,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:04:21,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:04:21,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-12 17:04:21,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:21,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:04:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:04:21,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:21,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:21,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:21,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:21,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:21,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:21,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:21,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:21,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:04:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:21,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:21,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:21,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:21,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:04:21,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:21,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:04:21,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:21,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:04:21,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:21,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 17:04:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:21,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:21,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:21,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:21,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:21,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:04:21,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:21,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:04:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:21,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:21,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:21,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:04:21,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:04:21,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:21,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:04:21,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:21,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:04:21,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:21,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 17:04:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:21,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:21,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:04:21,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:21,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:04:21,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:04:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:04:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:04:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:21,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:04:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:21,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:21,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:04:21,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:21,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:04:21,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:21,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:21,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:04:21,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:21,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:21,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:21,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:21,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:21,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:21,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:04:21,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:21,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:21,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:21,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:21,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 17:04:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:21,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:21,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:21,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:21,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:21,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:04:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:21,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:21,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:04:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:21,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:21,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:21,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:21,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:21,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:04:21,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:21,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:21,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:04:21,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:21,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 17:04:21,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615490677] [2020-10-12 17:04:21,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:04:21,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2020-10-12 17:04:21,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643133092] [2020-10-12 17:04:21,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-12 17:04:21,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:04:21,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-12 17:04:21,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=643, Unknown=0, NotChecked=0, Total=702 [2020-10-12 17:04:21,744 INFO L87 Difference]: Start difference. First operand 452 states and 564 transitions. Second operand 27 states. [2020-10-12 17:04:24,306 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-12 17:04:26,197 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-12 17:04:27,402 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:28,615 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:30,804 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:32,058 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:33,391 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:04:35,261 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:36,572 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:04:38,484 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:39,691 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:04:41,239 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:42,453 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:04:43,641 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:44,835 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 513 [2020-10-12 17:04:47,227 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:50,148 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:04:51,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:04:51,660 INFO L93 Difference]: Finished difference Result 972 states and 1254 transitions. [2020-10-12 17:04:51,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-12 17:04:51,660 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 131 [2020-10-12 17:04:51,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:04:51,668 INFO L225 Difference]: With dead ends: 972 [2020-10-12 17:04:51,668 INFO L226 Difference]: Without dead ends: 535 [2020-10-12 17:04:51,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 23.1s TimeCoverageRelationStatistics Valid=630, Invalid=4340, Unknown=0, NotChecked=0, Total=4970 [2020-10-12 17:04:51,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2020-10-12 17:04:51,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 430. [2020-10-12 17:04:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-12 17:04:51,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 526 transitions. [2020-10-12 17:04:51,827 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 526 transitions. Word has length 131 [2020-10-12 17:04:51,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:04:51,827 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 526 transitions. [2020-10-12 17:04:51,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-12 17:04:51,827 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 526 transitions. [2020-10-12 17:04:51,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 17:04:51,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:04:51,829 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] [2020-10-12 17:04:51,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:04:51,830 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:04:51,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:04:51,830 INFO L82 PathProgramCache]: Analyzing trace with hash -867201709, now seen corresponding path program 1 times [2020-10-12 17:04:51,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:04:51,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205231144] [2020-10-12 17:04:51,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:04:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:51,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:51,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:55,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:55,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 17:04:55,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:04:55,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3654 [2020-10-12 17:04:55,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:55,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:04:55,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:04:55,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-12 17:04:55,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,102 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-12 17:04:57,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:04:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:57,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 17:04:57,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:04:57,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:04:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:04:57,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:57,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:04:57,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:04:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:04:57,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:04:57,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:57,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:04:57,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:04:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:57,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:04:57,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:04:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:04:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 17:04:57,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 17:04:57,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 17:04:57,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:04:57,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:04:57,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:57,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:57,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:57,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:57,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:04:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:04:57,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:04:57,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:57,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:04:57,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:57,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:57,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:04:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:04:57,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:04:57,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:57,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:04:57,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:57,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:57,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:57,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 17:04:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:04:57,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:04:57,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:04:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:57,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:04:57,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:57,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:57,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:04:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:57,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:57,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 17:04:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:57,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:57,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:57,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:04:57,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 17:04:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:57,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:04:57,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:04:57,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 17:04:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:57,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:04:57,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:04:57,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:04:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:04:57,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:04:57,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:04:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:57,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:57,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:57,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 17:04:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:04:57,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:04:57,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:04:57,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:57,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:04:57,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:04:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:57,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:57,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:57,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:57,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:57,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:57,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:57,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:04:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:57,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-12 17:04:57,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205231144] [2020-10-12 17:04:57,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:04:57,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 17:04:57,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345445992] [2020-10-12 17:04:57,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 17:04:57,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:04:57,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 17:04:57,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:04:57,664 INFO L87 Difference]: Start difference. First operand 430 states and 526 transitions. Second operand 12 states. [2020-10-12 17:04:59,395 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-12 17:05:04,215 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 509 [2020-10-12 17:05:05,436 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 509 [2020-10-12 17:05:06,619 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:05:08,281 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-12 17:05:09,714 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 17:05:13,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:05:13,248 INFO L93 Difference]: Finished difference Result 1253 states and 1565 transitions. [2020-10-12 17:05:13,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 17:05:13,249 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2020-10-12 17:05:13,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:05:13,256 INFO L225 Difference]: With dead ends: 1253 [2020-10-12 17:05:13,256 INFO L226 Difference]: Without dead ends: 948 [2020-10-12 17:05:13,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2020-10-12 17:05:13,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2020-10-12 17:05:13,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 803. [2020-10-12 17:05:13,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2020-10-12 17:05:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 991 transitions. [2020-10-12 17:05:13,557 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 991 transitions. Word has length 132 [2020-10-12 17:05:13,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:05:13,559 INFO L479 AbstractCegarLoop]: Abstraction has 803 states and 991 transitions. [2020-10-12 17:05:13,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 17:05:13,559 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 991 transitions. [2020-10-12 17:05:13,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 17:05:13,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:05:13,561 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] [2020-10-12 17:05:13,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:05:13,562 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:05:13,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:05:13,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1338208192, now seen corresponding path program 1 times [2020-10-12 17:05:13,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:05:13,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848944849] [2020-10-12 17:05:13,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:05:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:13,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:13,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:14,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:14,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:15,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:15,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:18,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:18,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-12 17:05:18,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:05:18,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 17:05:18,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:18,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 17:05:18,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 17:05:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-12 17:05:18,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:19,989 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-12 17:05:19,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:05:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:05:20,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 17:05:20,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:20,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:05:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:05:20,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:05:20,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:05:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:05:20,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:05:20,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:20,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:20,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:05:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:05:20,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:05:20,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:20,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:20,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:05:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 17:05:20,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:05:20,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 17:05:20,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:05:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:05:20,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:05:20,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:05:20,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:20,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:20,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:05:20,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:20,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:20,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:05:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:05:20,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:05:20,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:05:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:05:20,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:05:20,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:05:20,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:05:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:05:20,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:05:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:05:20,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:05:20,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:05:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:05:20,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:05:20,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:05:20,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:20,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 17:05:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:05:20,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:05:20,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:05:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:05:20,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:20,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:20,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:05:20,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:05:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:05:20,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:05:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:05:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:20,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:05:20,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:05:20,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:05:20,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:05:20,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 17:05:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:20,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:05:20,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:05:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:05:20,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:05:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 17:05:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:20,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:05:20,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:05:20,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:05:20,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:05:20,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 17:05:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:20,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:05:20,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:05:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:05:20,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:05:20,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:05:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:05:20,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:05:20,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:05:20,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:05:20,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:05:20,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:05:20,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:05:20,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:20,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:05:20,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 17:05:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:05:20,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:05:20,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:05:20,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:05:20,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:05:20,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:05:20,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 17:05:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:20,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:20,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:20,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:05:20,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:20,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:05:20,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:20,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:20,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:05:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:05:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 17:05:20,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848944849] [2020-10-12 17:05:20,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:05:20,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 17:05:20,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095511372] [2020-10-12 17:05:20,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 17:05:20,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:05:20,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 17:05:20,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2020-10-12 17:05:20,952 INFO L87 Difference]: Start difference. First operand 803 states and 991 transitions. Second operand 29 states. [2020-10-12 17:05:24,062 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-12 17:05:25,708 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 509 [2020-10-12 17:05:26,962 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 17:05:28,237 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 509 [2020-10-12 17:05:29,458 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 17:05:30,864 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-12 17:05:32,100 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:05:33,871 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 509 [2020-10-12 17:05:35,178 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 17:05:36,552 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:05:39,071 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:05:41,078 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-12 17:05:43,090 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:05:44,434 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:05:45,787 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:05:47,076 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:05:48,395 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 515 [2020-10-12 17:05:49,714 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:05:51,030 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 515 [2020-10-12 17:05:52,513 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 17:05:53,836 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 513 [2020-10-12 17:05:55,694 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 17:05:58,555 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 509 [2020-10-12 17:06:01,797 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-12 17:06:03,100 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 17:06:04,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:06:04,988 INFO L93 Difference]: Finished difference Result 1706 states and 2156 transitions. [2020-10-12 17:06:04,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-10-12 17:06:04,989 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 133 [2020-10-12 17:06:04,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:06:04,998 INFO L225 Difference]: With dead ends: 1706 [2020-10-12 17:06:04,998 INFO L226 Difference]: Without dead ends: 941 [2020-10-12 17:06:05,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1563 ImplicationChecksByTransitivity, 34.2s TimeCoverageRelationStatistics Valid=990, Invalid=6320, Unknown=0, NotChecked=0, Total=7310 [2020-10-12 17:06:05,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-12 17:06:05,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 802. [2020-10-12 17:06:05,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2020-10-12 17:06:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 988 transitions. [2020-10-12 17:06:05,260 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 988 transitions. Word has length 133 [2020-10-12 17:06:05,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:06:05,260 INFO L479 AbstractCegarLoop]: Abstraction has 802 states and 988 transitions. [2020-10-12 17:06:05,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 17:06:05,261 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 988 transitions. [2020-10-12 17:06:05,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 17:06:05,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:06:05,263 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] [2020-10-12 17:06:05,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:06:05,264 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:06:05,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:06:05,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1603449407, now seen corresponding path program 1 times [2020-10-12 17:06:05,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:06:05,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547831559] [2020-10-12 17:06:05,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:06:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:05,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:05,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:05,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:07,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:10,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:10,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-12 17:06:10,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:06:10,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-12 17:06:10,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:10,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 17:06:10,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 17:06:10,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 17:06:10,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,587 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-12 17:06:11,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:06:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:06:11,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:11,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 17:06:11,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:06:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:06:11,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:06:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:06:11,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:11,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:06:11,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:06:11,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:06:11,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:06:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:06:11,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:11,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:06:11,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:06:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:06:11,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:06:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:06:11,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:11,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:06:11,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:06:11,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:06:11,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:06:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 17:06:11,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:06:11,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 17:06:11,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:06:11,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:06:11,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:06:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:06:11,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:11,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:06:11,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:06:11,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:06:11,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:06:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:06:11,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:11,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:06:11,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:06:11,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:06:11,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:06:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:06:11,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:06:11,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:06:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:06:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:06:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:06:11,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:11,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:06:11,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:06:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:06:11,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:06:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:06:11,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:11,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:06:11,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:06:11,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:06:11,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:06:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:06:11,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:11,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:06:11,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:06:11,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:06:11,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:11,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 17:06:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:11,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:11,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:11,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:06:11,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:11,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:06:11,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:11,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:06:11,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:11,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:06:11,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:12,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:06:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:12,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:12,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:12,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:06:12,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:12,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:06:12,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:06:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:06:12,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:12,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:06:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:12,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:12,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:12,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:06:12,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:12,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:06:12,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:12,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:06:12,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:12,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:06:12,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:12,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 17:06:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:12,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:12,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:12,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:06:12,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:06:12,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:06:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:06:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:12,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 17:06:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:12,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:12,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:12,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:06:12,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:12,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:06:12,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:06:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:06:12,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:12,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 17:06:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:12,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:12,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:12,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:06:12,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:12,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:06:12,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:12,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:06:12,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:12,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:06:12,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:12,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:06:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:12,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:12,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:12,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:06:12,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:12,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:06:12,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:06:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:06:12,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:12,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:06:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:12,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:12,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:12,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:06:12,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:12,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:06:12,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:12,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:06:12,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:06:12,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:06:12,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:12,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 17:06:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:12,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:12,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:12,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:06:12,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:12,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:06:12,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:06:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:06:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:06:12,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:12,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 17:06:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:06:12,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:06:12,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:06:12,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:06:12,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:06:12,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:06:12,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:06:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:06:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:06:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:06:12,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:06:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 17:06:12,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547831559] [2020-10-12 17:06:12,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:06:12,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 17:06:12,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101053485] [2020-10-12 17:06:12,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 17:06:12,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:06:12,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 17:06:12,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2020-10-12 17:06:12,364 INFO L87 Difference]: Start difference. First operand 802 states and 988 transitions. Second operand 29 states. [2020-10-12 17:06:15,104 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-12 17:06:16,742 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 509 [2020-10-12 17:06:18,007 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 17:06:19,282 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 510