/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_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:09:24,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:09:24,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:09:24,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:09:24,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:09:24,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:09:24,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:09:24,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:09:24,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:09:24,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:09:24,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:09:24,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:09:24,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:09:24,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:09:24,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:09:24,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:09:24,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:09:24,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:09:24,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:09:24,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:09:24,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:09:24,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:09:24,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:09:24,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:09:24,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:09:24,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:09:24,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:09:24,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:09:24,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:09:24,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:09:24,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:09:24,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:09:24,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:09:24,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:09:24,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:09:24,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:09:24,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:09:24,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:09:24,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:09:24,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:09:24,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:09:24,177 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 17:09:24,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:09:24,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:09:24,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:09:24,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:09:24,223 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:09:24,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:09:24,224 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:09:24,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:09:24,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:09:24,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:09:24,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:09:24,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:09:24,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:09:24,227 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:09:24,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:09:24,227 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:09:24,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:09:24,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:09:24,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:09:24,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:09:24,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:09:24,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:09:24,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:09:24,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:09:24,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:09:24,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:09:24,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:09:24,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:09:24,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:09:24,230 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 17:09:24,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:09:24,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:09:24,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:09:24,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:09:24,557 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:09:24,557 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2020-10-12 17:09:24,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a9d5c5f2/67ae179c991e4b4f98e3af6114f3a93d/FLAG414aa6927 [2020-10-12 17:09:25,228 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:09:25,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2020-10-12 17:09:25,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a9d5c5f2/67ae179c991e4b4f98e3af6114f3a93d/FLAG414aa6927 [2020-10-12 17:09:25,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a9d5c5f2/67ae179c991e4b4f98e3af6114f3a93d [2020-10-12 17:09:25,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:09:25,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:09:25,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:09:25,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:09:25,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:09:25,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:09:25" (1/1) ... [2020-10-12 17:09:25,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7edbd36f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:09:25, skipping insertion in model container [2020-10-12 17:09:25,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:09:25" (1/1) ... [2020-10-12 17:09:25,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:09:25,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:09:26,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:09:26,246 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:09:26,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:09:26,431 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:09:26,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:09:26 WrapperNode [2020-10-12 17:09:26,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:09:26,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:09:26,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:09:26,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:09:26,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:09:26" (1/1) ... [2020-10-12 17:09:26,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:09:26" (1/1) ... [2020-10-12 17:09:26,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:09:26" (1/1) ... [2020-10-12 17:09:26,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:09:26" (1/1) ... [2020-10-12 17:09:26,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:09:26" (1/1) ... [2020-10-12 17:09:26,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:09:26" (1/1) ... [2020-10-12 17:09:26,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:09:26" (1/1) ... [2020-10-12 17:09:26,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:09:26,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:09:26,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:09:26,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:09:26,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:09:26" (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 17:09:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:09:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:09:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:09:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:09:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:09:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:09:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:09:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:09:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:09:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:09:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:09:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:09:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:09:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:09:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:09:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:09:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:09:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:09:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:09:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:09:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:09:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:09:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:09:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:09:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:09:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:09:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:09:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:09:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:09:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:09:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:09:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:09:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:09:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:09:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:09:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:09:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:09:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:09:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:09:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:09:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:09:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:09:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:09:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:09:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:09:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:09:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:09:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:09:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:09:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:09:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:09:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:09:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:09:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:09:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:09:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:09:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-12 17:09:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:09:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:09:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:09:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:09:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:09:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:09:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:09:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:09:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:09:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:09:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:09:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:09:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:09:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:09:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:09:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:09:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:09:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:09:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:09:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:09:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:09:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:09:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:09:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:09:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:09:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:09:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:09:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:09:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:09:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:09:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-12 17:09:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:09:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:09:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:09:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:09:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-12 17:09:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-12 17:09:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:09:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:09:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:09:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:09:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:09:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:09:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:09:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:09:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:09:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:09:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:09:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:09:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:09:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:09:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:09:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:09:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:09:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:09:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:09:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:09:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:09:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:09:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:09:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:09:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:09:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:09:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:09:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:09:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:09:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:09:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:09:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:09:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:09:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:09:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:09:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:09:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:09:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:09:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:09:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:09:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:09:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:09:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:09:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:09:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:09:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:09:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:09:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:09:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:09:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:09:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:09:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:09:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:09:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:09:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:09:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:09:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:09:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:09:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:09:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:09:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:09:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:09:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:09:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:09:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:09:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:09:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:09:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:09:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-12 17:09:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:09:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:09:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:09:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:09:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:09:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:09:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:09:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:09:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:09:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:09:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:09:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:09:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:09:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:09:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:09:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:09:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:09:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:09:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:09:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:09:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:09:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:09:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:09:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:09:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:09:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:09:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:09:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:09:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:09:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:09:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:09:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:09:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:09:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:09:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:09:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:09:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:09:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:09:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:09:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:09:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:09:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:09:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:09:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:09:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:09:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:09:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:09:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-12 17:09:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:09:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:09:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:09:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:09:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:09:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:09:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:09:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:09:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-12 17:09:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-12 17:09:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:09:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:09:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:09:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:09:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:09:28,942 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:09:28,942 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:09:28,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:09:28 BoogieIcfgContainer [2020-10-12 17:09:28,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:09:28,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:09:28,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:09:28,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:09:28,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:09:25" (1/3) ... [2020-10-12 17:09:28,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19210ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:09:28, skipping insertion in model container [2020-10-12 17:09:28,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:09:26" (2/3) ... [2020-10-12 17:09:28,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19210ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:09:28, skipping insertion in model container [2020-10-12 17:09:28,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:09:28" (3/3) ... [2020-10-12 17:09:28,960 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product15.cil.c [2020-10-12 17:09:28,971 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:09:28,981 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:09:28,996 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:09:29,024 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:09:29,024 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:09:29,024 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:09:29,025 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:09:29,025 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:09:29,025 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:09:29,025 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:09:29,025 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:09:29,054 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states. [2020-10-12 17:09:29,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 17:09:29,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:09:29,075 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:09:29,075 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:09:29,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:09:29,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1912918606, now seen corresponding path program 1 times [2020-10-12 17:09:29,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:09:29,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575608583] [2020-10-12 17:09:29,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:09:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:29,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:29,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:30,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:30,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:33,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:33,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:34,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:34,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-12 17:09:34,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:09:34,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 17:09:34,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 17:09:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:09:34,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 17:09:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:09:36,826 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:09:36,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:09:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:36,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:37,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:37,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:09:37,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:37,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-12 17:09:37,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:09:37,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:37,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:09:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:37,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:37,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:37,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:09:37,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:37,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:09:37,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:37,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:37,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:37,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:09:37,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:37,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:09:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:37,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:37,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:37,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:09:37,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:37,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:09:37,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:37,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:37,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:09:37,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:09:37,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:09:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:37,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:37,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:37,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:09:37,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:09:37,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:09:37,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:09:37,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:09:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:37,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:37,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:37,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:37,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:41,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:09:42,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:09:42,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:09:42,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:09:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:09:42,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:09:42,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:09:42,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:09:42,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:42,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:42,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:09:42,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:09:42,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:42,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:42,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:42,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:42,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:42,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:42,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:09:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:42,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:42,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:42,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:09:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:09:42,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:09:42,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-12 17:09:42,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:09:42,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:09:42,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:09:42,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:42,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:09:42,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:09:42,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:09:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:09:42,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:42,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:42,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:09:42,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:09:42,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:09:42,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:09:42,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:09:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:42,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:09:42,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:09:42,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:42,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:09:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:09:42,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:09:42,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:42,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:09:42,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:42,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:42,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:09:42,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:09:42,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:42,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:09:42,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:42,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:09:42,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:42,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:42,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:09:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:42,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:42,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:42,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:42,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:42,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:09:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:09:42,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 17:09:42,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:09:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:09:42,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:09:42,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:42,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:09:42,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:09:42,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:09:42,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:09:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:42,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:42,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:42,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:42,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:42,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:09:42,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:09:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:42,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:09:42,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:09:43,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:09:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:43,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:43,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:43,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:43,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:43,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:09:43,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:43,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:09:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:09:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:43,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:09:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:43,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:43,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:43,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:09:43,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:43,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:09:43,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:09:43,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:09:43,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:09:43,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:43,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:09:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:43,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:43,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:43,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:43,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:43,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:43,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:43,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:43,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:09:43,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:43,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:43,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:09:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:43,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:43,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:43,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:43,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:43,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:43,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:43,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:43,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:09:43,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:43,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:09:43,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 17:09:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:43,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:43,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:43,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:43,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:43,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:43,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:43,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:43,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:09:43,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:43,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:43,256 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:09:43,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575608583] [2020-10-12 17:09:43,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:09:43,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:09:43,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312848236] [2020-10-12 17:09:43,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:09:43,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:09:43,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:09:43,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=850, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:09:43,288 INFO L87 Difference]: Start difference. First operand 466 states. Second operand 31 states. [2020-10-12 17:09:46,398 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:09:48,644 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:09:51,169 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:09:52,662 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:09:54,180 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:09:55,683 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:10:00,309 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-12 17:10:01,842 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-12 17:10:03,415 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:10:06,239 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:10:09,352 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:10:11,205 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:10:12,638 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:10:14,121 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-12 17:10:15,663 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:10:17,202 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-12 17:10:19,130 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-12 17:10:20,656 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:10:22,038 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:10:23,620 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-12 17:10:28,609 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-12 17:10:31,214 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-12 17:10:34,439 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:10:36,031 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-12 17:10:37,422 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:10:43,390 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-12 17:11:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:11:05,152 INFO L93 Difference]: Finished difference Result 2170 states and 3311 transitions. [2020-10-12 17:11:05,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2020-10-12 17:11:05,157 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 145 [2020-10-12 17:11:05,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:11:05,223 INFO L225 Difference]: With dead ends: 2170 [2020-10-12 17:11:05,224 INFO L226 Difference]: Without dead ends: 1577 [2020-10-12 17:11:05,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8427 ImplicationChecksByTransitivity, 42.4s TimeCoverageRelationStatistics Valid=3639, Invalid=18711, Unknown=0, NotChecked=0, Total=22350 [2020-10-12 17:11:05,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2020-10-12 17:11:05,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1026. [2020-10-12 17:11:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-10-12 17:11:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1407 transitions. [2020-10-12 17:11:05,883 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1407 transitions. Word has length 145 [2020-10-12 17:11:05,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:11:05,883 INFO L479 AbstractCegarLoop]: Abstraction has 1026 states and 1407 transitions. [2020-10-12 17:11:05,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 17:11:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1407 transitions. [2020-10-12 17:11:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 17:11:05,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:11:05,903 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:11:05,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:11:05,904 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:11:05,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:11:05,904 INFO L82 PathProgramCache]: Analyzing trace with hash -69315618, now seen corresponding path program 1 times [2020-10-12 17:11:05,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:11:05,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803581245] [2020-10-12 17:11:05,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:11:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:08,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:09,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:10,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:10,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-12 17:11:10,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:11:10,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 17:11:10,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:10,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:11:10,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-12 17:11:10,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:11:10,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:12,533 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:11:12,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:11:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:12,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:12,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:12,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:11:12,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:12,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 17:11:12,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:12,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:12,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:12,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:12,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:12,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:11:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:12,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:12,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:12,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:11:12,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:12,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:12,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:12,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:12,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:12,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:11:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:12,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:12,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:12,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:11:12,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:12,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:12,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:12,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:12,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:12,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:12,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:12,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:11:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:12,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:12,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:12,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:11:12,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:12,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:12,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:12,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:11:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:12,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:12,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:12,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:12,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:12,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:14,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:17,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:17,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:11:17,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:11:17,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 17:11:17,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:17,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:11:17,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:11:17,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:11:17,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:17,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:17,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:17,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:17,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:11:17,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:17,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:11:17,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:17,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:17,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:17,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:17,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:17,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:17,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:17,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:11:17,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:17,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:17,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:17,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:17,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:17,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:17,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:17,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:17,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:17,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:17,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:17,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:17,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:17,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:17,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:17,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:17,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:11:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:17,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:17,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:17,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:17,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:17,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:17,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:17,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:17,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:17,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:17,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:17,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:11:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:17,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:17,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:17,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:17,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:11:17,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:11:17,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 17:11:17,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:17,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:11:17,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:11:17,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:11:17,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:17,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:17,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:17,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:17,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:17,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:11:17,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:11:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 17:11:17,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:11:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:11:17,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:17,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:17,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:17,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:17,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:17,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:17,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:11:17,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:17,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:11:17,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:17,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:11:17,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:17,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:11:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:17,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:17,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:17,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:17,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:17,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:11:17,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:11:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:11:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:11:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:11:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:11:18,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:18,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:11:18,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:11:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:18,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:11:18,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:18,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:18,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:18,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:18,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:18,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:18,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:18,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:18,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:18,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:18,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:18,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:11:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:18,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:18,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:18,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:18,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:11:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:11:18,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:11:18,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 17:11:18,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:11:18,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:11:18,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:18,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:18,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:11:18,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:11:18,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:18,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:11:18,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:11:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:18,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:11:18,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:11:18,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:11:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:18,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:11:18,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:11:18,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:11:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:18,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:11:18,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-12 17:11:18,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:11:18,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:11:18,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:11:18,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:11:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:18,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:18,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:18,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:11:18,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:18,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:11:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:18,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:18,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:18,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:18,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:18,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:18,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:11:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:18,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:18,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:18,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:18,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:18,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:18,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:11:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:18,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:18,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:18,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:18,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:18,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:18,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:18,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:18,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 17:11:18,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803581245] [2020-10-12 17:11:18,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:11:18,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 17:11:18,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433573752] [2020-10-12 17:11:18,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 17:11:18,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:11:18,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 17:11:18,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2020-10-12 17:11:18,734 INFO L87 Difference]: Start difference. First operand 1026 states and 1407 transitions. Second operand 29 states. [2020-10-12 17:11:21,933 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:11:23,865 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:11:25,842 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:11:30,000 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:11:31,544 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:11:33,164 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:11:35,541 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:11:37,091 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:11:39,506 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:11:41,010 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:11:42,613 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:11:44,106 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:11:48,261 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:11:54,261 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:12:01,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:12:01,404 INFO L93 Difference]: Finished difference Result 2484 states and 3620 transitions. [2020-10-12 17:12:01,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 17:12:01,404 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 148 [2020-10-12 17:12:01,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:12:01,415 INFO L225 Difference]: With dead ends: 2484 [2020-10-12 17:12:01,415 INFO L226 Difference]: Without dead ends: 1372 [2020-10-12 17:12:01,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 22.3s TimeCoverageRelationStatistics Valid=587, Invalid=4243, Unknown=0, NotChecked=0, Total=4830 [2020-10-12 17:12:01,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2020-10-12 17:12:01,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 972. [2020-10-12 17:12:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 972 states. [2020-10-12 17:12:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1333 transitions. [2020-10-12 17:12:01,779 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1333 transitions. Word has length 148 [2020-10-12 17:12:01,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:12:01,780 INFO L479 AbstractCegarLoop]: Abstraction has 972 states and 1333 transitions. [2020-10-12 17:12:01,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 17:12:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1333 transitions. [2020-10-12 17:12:01,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 17:12:01,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:12:01,784 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:12:01,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:12:01,785 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:12:01,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:12:01,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1921297939, now seen corresponding path program 1 times [2020-10-12 17:12:01,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:12:01,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [832568631] [2020-10-12 17:12:01,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:12:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:01,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:01,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:02,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:02,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:03,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:03,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:06,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:06,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 17:12:06,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:12:06,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 17:12:06,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 17:12:06,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:12:06,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 17:12:06,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:08,838 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:12:08,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:12:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:08,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:08,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:08,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:12:08,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:08,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 17:12:08,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:12:08,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:08,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:12:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:09,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:09,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:09,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:12:09,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:09,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:09,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:12:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:09,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:12:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:09,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:09,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:09,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:12:09,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:09,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:09,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:09,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:09,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:09,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:12:09,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:09,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:12:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:09,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:09,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:09,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:12:09,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:09,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:12:09,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:09,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:12:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:09,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:09,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:09,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:09,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:09,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:12,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:12,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:12:12,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:12:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3600 [2020-10-12 17:12:12,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:12:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 17:12:12,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:12,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:12,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:12,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:12,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:12:12,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:12:12,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:12,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:12,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:12,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:12,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:12:12,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:12,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:12:12,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:12,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:12,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:12,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:12,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:12,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:12,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:12,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:12:12,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:12,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:12,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:12:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:12,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:12,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:12,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:12,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:12,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:12,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:12,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:12,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:12:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:12,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:12,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:12,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:12,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:12:12,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:12:12,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 17:12:12,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:12:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 17:12:12,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:12,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:12,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:12,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:12:12,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:12:12,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:12:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:12:12,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:13,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:12:13,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:12:13,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:12:13,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:13,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:12:13,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:12:13,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:12:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:12:13,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:12:13,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:13,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:12:13,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:12:13,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:12:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:12:13,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:12:13,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:13,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:12:13,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:12:13,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:12:13,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:12:13,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:12:13,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:13,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:13,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:13,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:12:13,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:12:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:13,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:13,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:13,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:13,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:12:13,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:12:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:12:13,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 17:12:13,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:12:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:12:13,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:12:13,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:13,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:12:13,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:12:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:13,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:12:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:13,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:12:13,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:12:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:12:13,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:13,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:12:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:13,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:12:13,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:12:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:12:13,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:13,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:12:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:12:13,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:12:13,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:12:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:12:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:12:13,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:13,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:12:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:13,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:13,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:12:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:13,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:13,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:12:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:13,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:13,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:12:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 17:12:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:13,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:13,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:13,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:13,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:13,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:12:13,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:12:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:13,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:12:13,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [832568631] [2020-10-12 17:12:13,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:12:13,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:12:13,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681570495] [2020-10-12 17:12:13,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:12:13,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:12:13,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:12:13,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:12:13,747 INFO L87 Difference]: Start difference. First operand 972 states and 1333 transitions. Second operand 31 states. [2020-10-12 17:12:16,744 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:12:18,558 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:12:22,152 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2020-10-12 17:12:24,842 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 548 DAG size of output: 546 [2020-10-12 17:12:27,529 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2020-10-12 17:12:30,189 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 548 DAG size of output: 546 [2020-10-12 17:12:32,811 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2020-10-12 17:12:35,449 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 548 DAG size of output: 546 [2020-10-12 17:12:38,527 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 544 DAG size of output: 542 [2020-10-12 17:12:41,672 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 547 DAG size of output: 545 [2020-10-12 17:12:45,285 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 547 DAG size of output: 545 [2020-10-12 17:12:48,020 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 550 DAG size of output: 548 [2020-10-12 17:12:50,903 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 547 DAG size of output: 545 [2020-10-12 17:12:55,114 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 547 DAG size of output: 545 [2020-10-12 17:12:58,866 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2020-10-12 17:13:00,896 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:13:03,577 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 548 DAG size of output: 546 [2020-10-12 17:13:06,475 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 549 DAG size of output: 547