/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_spec9_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:42:07,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:42:07,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:42:07,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:42:07,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:42:07,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:42:07,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:42:07,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:42:07,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:42:07,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:42:07,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:42:07,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:42:07,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:42:07,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:42:07,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:42:07,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:42:07,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:42:07,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:42:07,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:42:07,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:42:07,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:42:07,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:42:07,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:42:07,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:42:07,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:42:07,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:42:07,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:42:07,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:42:07,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:42:07,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:42:07,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:42:07,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:42:07,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:42:07,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:42:07,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:42:07,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:42:07,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:42:07,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:42:07,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:42:07,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:42:07,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:42:07,448 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 17:42:07,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:42:07,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:42:07,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:42:07,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:42:07,473 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:42:07,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:42:07,473 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:42:07,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:42:07,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:42:07,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:42:07,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:42:07,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:42:07,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:42:07,474 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:42:07,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:42:07,475 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:42:07,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:42:07,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:42:07,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:42:07,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:42:07,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:42:07,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:42:07,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:42:07,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:42:07,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:42:07,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:42:07,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:42:07,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:42:07,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:42:07,478 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 17:42:07,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:42:07,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:42:07,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:42:07,814 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:42:07,815 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:42:07,815 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product22.cil.c [2020-10-12 17:42:07,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b17f7f27/1d58a0bbe20b4d808c063570d671117a/FLAG1dccde66a [2020-10-12 17:42:08,440 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:42:08,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec9_product22.cil.c [2020-10-12 17:42:08,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b17f7f27/1d58a0bbe20b4d808c063570d671117a/FLAG1dccde66a [2020-10-12 17:42:08,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b17f7f27/1d58a0bbe20b4d808c063570d671117a [2020-10-12 17:42:08,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:42:08,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:42:08,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:42:08,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:42:08,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:42:08,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:42:08" (1/1) ... [2020-10-12 17:42:08,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ccefb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:42:08, skipping insertion in model container [2020-10-12 17:42:08,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:42:08" (1/1) ... [2020-10-12 17:42:08,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:42:08,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:42:09,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:42:09,510 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:42:09,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:42:09,761 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:42:09,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:42:09 WrapperNode [2020-10-12 17:42:09,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:42:09,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:42:09,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:42:09,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:42:09,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:42:09" (1/1) ... [2020-10-12 17:42:09,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:42:09" (1/1) ... [2020-10-12 17:42:09,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:42:09" (1/1) ... [2020-10-12 17:42:09,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:42:09" (1/1) ... [2020-10-12 17:42:09,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:42:09" (1/1) ... [2020-10-12 17:42:09,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:42:09" (1/1) ... [2020-10-12 17:42:09,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:42:09" (1/1) ... [2020-10-12 17:42:09,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:42:09,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:42:09,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:42:09,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:42:09,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:42:09" (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 17:42:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:42:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:42:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:42:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:42:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:42:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-12 17:42:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:42:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:42:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:42:10,033 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:42:10,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:42:10,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:42:10,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:42:10,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:42:10,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:42:10,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:42:10,034 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:42:10,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:42:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:42:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:42:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:42:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:42:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:42:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:42:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:42:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:42:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:42:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:42:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:42:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:42:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:42:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:42:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:42:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:42:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:42:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:42:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:42:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:42:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:42:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:42:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:42:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:42:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:42:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:42:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:42:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:42:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:42:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:42:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:42:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:42:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:42:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:42:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:42:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:42:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:42:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:42:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:42:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:42:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:42:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:42:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:42:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:42:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:42:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:42:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-12 17:42:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-12 17:42:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-12 17:42:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:42:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:42:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:42:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:42:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:42:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:42:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:42:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:42:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:42:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:42:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-12 17:42:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:42:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:42:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:42:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:42:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:42:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:42:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:42:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:42:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:42:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:42:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:42:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:42:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:42:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:42:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:42:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:42:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:42:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:42:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:42:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:42:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-12 17:42:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:42:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:42:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:42:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:42:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:42:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:42:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:42:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2020-10-12 17:42:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2020-10-12 17:42:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:42:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:42:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:42:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:42:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:42:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:42:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:42:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:42:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:42:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:42:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:42:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:42:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:42:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:42:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:42:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:42:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:42:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:42:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:42:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:42:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:42:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-12 17:42:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:42:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:42:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:42:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:42:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:42:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:42:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:42:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:42:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:42:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:42:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:42:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:42:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:42:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:42:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:42:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:42:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:42:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:42:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:42:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:42:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:42:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:42:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:42:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:42:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:42:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:42:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:42:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:42:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:42:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:42:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:42:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:42:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:42:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:42:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-12 17:42:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:42:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:42:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:42:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:42:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:42:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:42:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:42:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:42:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:42:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:42:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:42:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:42:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:42:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:42:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:42:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:42:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:42:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:42:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:42:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:42:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:42:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:42:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:42:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:42:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:42:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:42:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:42:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:42:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:42:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:42:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:42:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:42:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:42:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-12 17:42:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2020-10-12 17:42:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:42:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-12 17:42:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-12 17:42:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-12 17:42:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2020-10-12 17:42:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:42:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:42:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:42:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:42:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:42:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:42:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:42:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:42:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:42:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:42:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:42:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:42:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:42:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:42:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:42:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:42:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:42:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:42:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:42:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:42:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:42:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:42:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:42:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:42:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:42:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:42:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:42:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:42:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:42:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:42:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:42:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:42:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:42:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:42:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:42:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:42:12,040 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:42:12,041 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:42:12,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:42:12 BoogieIcfgContainer [2020-10-12 17:42:12,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:42:12,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:42:12,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:42:12,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:42:12,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:42:08" (1/3) ... [2020-10-12 17:42:12,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a46e879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:42:12, skipping insertion in model container [2020-10-12 17:42:12,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:42:09" (2/3) ... [2020-10-12 17:42:12,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a46e879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:42:12, skipping insertion in model container [2020-10-12 17:42:12,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:42:12" (3/3) ... [2020-10-12 17:42:12,057 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product22.cil.c [2020-10-12 17:42:12,067 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:42:12,076 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:42:12,091 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:42:12,118 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:42:12,119 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:42:12,119 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:42:12,119 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:42:12,119 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:42:12,119 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:42:12,120 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:42:12,120 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:42:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states. [2020-10-12 17:42:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 17:42:12,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:42:12,170 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 17:42:12,170 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:42:12,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:42:12,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1826249356, now seen corresponding path program 1 times [2020-10-12 17:42:12,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:42:12,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1439820303] [2020-10-12 17:42:12,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:42:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:12,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:13,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:13,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:13,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:16,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:17,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:17,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:17,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-12 17:42:17,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:42:17,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-12 17:42:17,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 17:42:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:42:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 17:42:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:42:19,912 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:42:19,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:42:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:20,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:20,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:20,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:42:20,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-12 17:42:20,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:42:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:42:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:20,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:42:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:20,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:20,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:20,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:42:20,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:20,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:42:20,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:42:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:20,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:42:20,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:20,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:42:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:20,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:20,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:20,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:42:20,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:20,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:20,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:20,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:42:20,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:20,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:42:20,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:20,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:42:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:20,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:20,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:20,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:42:20,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:20,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:42:20,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:42:20,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:20,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:42:20,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:42:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:20,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:20,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:20,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:20,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:24,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:42:25,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:42:25,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 17:42:25,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:42:25,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:42:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:42:25,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:42:25,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:42:25,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:25,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:25,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:25,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:42:25,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:42:25,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:25,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:25,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:25,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:25,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:25,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:25,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:25,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:42:25,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:42:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:25,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:25,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:25,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:42:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:42:25,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:42:25,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-12 17:42:25,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:42:25,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:42:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:42:25,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:42:25,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:42:25,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:42:25,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:25,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:42:25,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:25,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:42:25,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:42:25,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:25,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:42:25,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:42:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:25,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:42:25,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:42:25,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:25,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:42:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:42:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:42:25,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:42:25,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:25,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:42:25,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:25,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:42:25,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:42:25,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:25,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:25,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:25,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:25,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:25,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:25,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:42:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:25,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:25,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:25,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:25,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:25,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:25,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:42:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:25,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:25,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:25,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:42:25,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:25,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 17:42:25,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:42:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:42:25,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:26,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:26,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:26,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:26,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:26,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:26,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:42:26,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:26,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:42:26,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:26,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:42:26,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:26,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:42:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:26,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:26,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:26,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:26,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:26,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:42:26,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:42:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:42:26,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:26,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:42:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:26,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:26,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:26,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:26,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:26,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:42:26,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:26,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:42:26,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:26,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:42:26,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:26,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:42:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:26,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:26,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:26,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:42:26,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:26,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:42:26,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:26,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:42:26,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:42:26,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:42:26,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:26,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:42:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:26,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:26,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:26,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:26,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:26,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:26,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:26,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:42:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:26,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:26,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:42:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:26,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:26,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:26,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:26,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:26,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:26,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:26,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:42:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:26,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:42:26,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 17:42:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:26,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:26,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:26,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:26,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:26,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:26,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:42:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:26,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:26,442 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 17:42:26,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1439820303] [2020-10-12 17:42:26,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:42:26,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:42:26,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974882673] [2020-10-12 17:42:26,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:42:26,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:42:26,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:42:26,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:42:26,474 INFO L87 Difference]: Start difference. First operand 512 states. Second operand 31 states. [2020-10-12 17:42:30,208 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:42:32,449 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:42:34,868 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:42:36,441 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-12 17:42:37,994 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:42:39,502 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:42:43,616 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:42:45,155 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:42:46,845 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:42:50,100 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:42:53,870 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:42:55,823 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:42:57,406 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:42:58,913 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:43:00,619 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:43:02,332 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:43:04,432 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:43:06,007 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:43:07,586 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-12 17:43:09,141 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:43:14,888 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:43:17,604 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:43:20,837 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:43:22,432 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:43:23,889 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:43:32,048 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:43:55,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:43:55,019 INFO L93 Difference]: Finished difference Result 2419 states and 3591 transitions. [2020-10-12 17:43:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2020-10-12 17:43:55,021 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 145 [2020-10-12 17:43:55,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:43:55,056 INFO L225 Difference]: With dead ends: 2419 [2020-10-12 17:43:55,056 INFO L226 Difference]: Without dead ends: 1762 [2020-10-12 17:43:55,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8373 ImplicationChecksByTransitivity, 44.3s TimeCoverageRelationStatistics Valid=3481, Invalid=18571, Unknown=0, NotChecked=0, Total=22052 [2020-10-12 17:43:55,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states. [2020-10-12 17:43:55,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 1232. [2020-10-12 17:43:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1232 states. [2020-10-12 17:43:55,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1672 transitions. [2020-10-12 17:43:55,645 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1672 transitions. Word has length 145 [2020-10-12 17:43:55,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:43:55,646 INFO L479 AbstractCegarLoop]: Abstraction has 1232 states and 1672 transitions. [2020-10-12 17:43:55,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 17:43:55,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1672 transitions. [2020-10-12 17:43:55,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 17:43:55,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:43:55,655 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 17:43:55,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:43:55,655 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:43:55,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:43:55,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1507928586, now seen corresponding path program 1 times [2020-10-12 17:43:55,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:43:55,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589111681] [2020-10-12 17:43:55,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:43:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:55,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:55,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:55,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:56,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:56,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:58,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:58,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:59,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:00,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:00,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-12 17:44:00,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:44:00,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-12 17:44:00,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:44:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-12 17:44:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:44:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:02,710 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:44:02,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:44:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:02,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:02,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:02,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:44:02,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:02,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 17:44:02,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:02,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:02,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:02,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:44:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:02,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:02,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:02,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:44:02,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:02,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:44:02,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:02,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:02,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:02,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:02,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:02,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:44:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:02,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:02,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:02,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:44:02,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:02,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:44:02,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:02,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:02,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:44:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:02,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:02,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:02,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:44:02,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:02,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:02,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:02,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:02,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:02,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:44:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:02,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:02,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:02,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:03,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:03,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:07,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:07,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:44:07,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:44:07,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:44:07,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:07,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:44:07,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:44:07,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:44:07,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:07,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:07,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:07,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:07,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:44:07,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:07,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:44:07,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:07,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:07,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:07,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:07,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:44:07,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:07,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:44:07,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:07,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:07,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:07,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:07,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:07,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:07,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:07,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:07,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:07,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:07,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:07,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:07,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:07,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:07,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:44:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:07,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:07,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:07,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:07,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:07,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:07,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:07,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:07,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:07,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:07,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:44:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:07,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:07,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:07,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:07,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:44:08,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:44:08,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 17:44:08,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:44:08,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:44:08,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:44:08,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:44:08,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:44:08,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:44:08,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:44:08,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:08,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:44:08,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:44:08,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:44:08,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:44:08,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 17:44:08,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:44:08,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:08,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:44:08,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:44:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:08,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:08,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:44:08,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:44:08,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:44:08,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:44:08,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:44:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:44:08,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:08,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:44:08,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:44:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:08,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:44:08,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:08,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:44:08,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:08,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:08,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:08,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:08,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:08,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:08,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:08,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:08,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:44:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:08,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:08,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:08,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:08,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:08,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:44:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 17:44:08,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:44:08,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-12 17:44:08,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:44:08,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:44:08,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 17:44:08,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:08,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:08,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:44:08,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:44:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:44:08,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:44:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:44:08,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:44:08,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 17:44:08,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:44:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:44:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:44:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:44:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:08,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:08,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:08,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:08,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:44:08,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:08,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:44:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:44:08,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:44:08,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:44:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:44:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:08,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:08,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:08,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:44:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:08,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:44:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:08,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:08,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:44:08,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:44:08,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:08,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:08,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:44:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:08,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:08,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:08,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:08,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:08,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:08,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:08,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:08,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:44:08,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:08,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:08,997 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 17:44:08,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589111681] [2020-10-12 17:44:08,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:44:08,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 17:44:08,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903952784] [2020-10-12 17:44:09,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 17:44:09,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:44:09,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 17:44:09,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2020-10-12 17:44:09,007 INFO L87 Difference]: Start difference. First operand 1232 states and 1672 transitions. Second operand 22 states. [2020-10-12 17:44:12,447 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:44:13,907 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:44:15,645 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:44:17,344 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:44:18,882 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:44:20,351 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:44:23,177 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:44:24,646 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:44:27,247 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:44:28,809 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:44:34,242 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:44:44,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:44:44,249 INFO L93 Difference]: Finished difference Result 2867 states and 4074 transitions. [2020-10-12 17:44:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 17:44:44,250 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 148 [2020-10-12 17:44:44,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:44:44,261 INFO L225 Difference]: With dead ends: 2867 [2020-10-12 17:44:44,262 INFO L226 Difference]: Without dead ends: 1590 [2020-10-12 17:44:44,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=460, Invalid=2402, Unknown=0, NotChecked=0, Total=2862 [2020-10-12 17:44:44,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2020-10-12 17:44:44,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1153. [2020-10-12 17:44:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2020-10-12 17:44:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1555 transitions. [2020-10-12 17:44:44,665 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1555 transitions. Word has length 148 [2020-10-12 17:44:44,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:44:44,666 INFO L479 AbstractCegarLoop]: Abstraction has 1153 states and 1555 transitions. [2020-10-12 17:44:44,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 17:44:44,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1555 transitions. [2020-10-12 17:44:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 17:44:44,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:44:44,670 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 17:44:44,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:44:44,671 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:44:44,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:44:44,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1711554770, now seen corresponding path program 1 times [2020-10-12 17:44:44,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:44:44,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148671853] [2020-10-12 17:44:44,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:44:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:44,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:44,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:44,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:45,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:45,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:49,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:49,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 17:44:49,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:44:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 17:44:49,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:49,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 17:44:49,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:44:49,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 17:44:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:51,702 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:44:51,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:44:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:51,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:51,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:51,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:44:51,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:51,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 17:44:51,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:51,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:51,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:44:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:51,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:51,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:51,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:44:51,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:51,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:44:51,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:51,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:51,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:51,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:51,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:51,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:44:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:51,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:51,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:51,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:44:51,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:51,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:44:51,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:51,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:51,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:51,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:51,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:51,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:44:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:51,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:51,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:51,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:44:51,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:51,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:44:51,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:51,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:51,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:51,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:51,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:51,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:44:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:51,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:51,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:51,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:51,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:52,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:44:56,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:44:56,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4439 [2020-10-12 17:44:56,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:44:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 17:44:56,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:44:56,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:44:56,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:44:56,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:44:56,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:44:56,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:56,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:56,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:44:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:56,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:56,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:44:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:44:56,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:44:56,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:44:56,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:44:56,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:44:56,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:56,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:56,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:44:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:44:56,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:56,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:44:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:44:56,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:44:56,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-12 17:44:56,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:44:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:44:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:44:56,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:56,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:44:56,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:44:56,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:44:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:44:56,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:56,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:44:56,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:44:56,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:44:56,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:56,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:44:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:56,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:44:56,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:44:56,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:44:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:44:56,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:44:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:44:56,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:44:56,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:44:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:44:56,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:44:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:56,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:56,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:44:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:56,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:56,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:44:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:56,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:44:56,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:44:56,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:44:56,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:44:56,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:44:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:44:56,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:44:56,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:44:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:44:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:44:56,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:44:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:56,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:44:56,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:44:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:44:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:56,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:44:56,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:44:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:56,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 17:44:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:44:56,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:44:56,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:44:56,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:44:56,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:44:56,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:44:56,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:44:56,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:44:56,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:44:56,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:44:56,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:44:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:44:57,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148671853] [2020-10-12 17:44:57,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:44:57,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-10-12 17:44:57,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445309317] [2020-10-12 17:44:57,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 17:44:57,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:44:57,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 17:44:57,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2020-10-12 17:44:57,038 INFO L87 Difference]: Start difference. First operand 1153 states and 1555 transitions. Second operand 24 states. [2020-10-12 17:45:00,010 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:45:01,484 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:45:04,342 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:45:05,794 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:45:07,290 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:45:08,734 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:45:11,625 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:45:13,216 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:45:17,834 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:45:19,447 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:45:21,947 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:45:23,584 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-12 17:45:37,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:45:37,468 INFO L93 Difference]: Finished difference Result 2731 states and 3858 transitions. [2020-10-12 17:45:37,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-12 17:45:37,470 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 149 [2020-10-12 17:45:37,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:45:37,480 INFO L225 Difference]: With dead ends: 2731 [2020-10-12 17:45:37,481 INFO L226 Difference]: Without dead ends: 1617 [2020-10-12 17:45:37,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=750, Invalid=3410, Unknown=0, NotChecked=0, Total=4160 [2020-10-12 17:45:37,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2020-10-12 17:45:37,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1185. [2020-10-12 17:45:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2020-10-12 17:45:37,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1600 transitions. [2020-10-12 17:45:37,913 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1600 transitions. Word has length 149 [2020-10-12 17:45:37,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:45:37,914 INFO L479 AbstractCegarLoop]: Abstraction has 1185 states and 1600 transitions. [2020-10-12 17:45:37,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 17:45:37,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1600 transitions. [2020-10-12 17:45:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 17:45:37,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:45:37,919 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:45:37,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:45:37,919 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:45:37,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:45:37,920 INFO L82 PathProgramCache]: Analyzing trace with hash -670171463, now seen corresponding path program 1 times [2020-10-12 17:45:37,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:45:37,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177175385] [2020-10-12 17:45:37,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:45:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:45:38,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:38,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:38,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:38,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:39,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:39,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:39,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:43,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:45:43,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-12 17:45:43,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:45:43,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5417 [2020-10-12 17:45:43,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:45:43,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 17:45:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:45:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-12 17:45:43,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:45:44,898 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:45:44,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:45:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:45:44,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:45,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:45:45,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:45:45,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:45:45,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-12 17:45:45,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:45:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:45:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:45:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:45:45,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:45:45,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:45:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:45:45,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:45,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:45:45,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:45:45,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:45:45,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:45:45,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:45:45,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:45:45,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:45:45,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:45:45,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:45:45,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:45:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:45:45,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:45,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:45:45,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:45:45,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:45:45,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:45:45,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:45:45,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:45:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:45:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:45:45,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:45:45,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:45:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:45:45,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:45,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:45:45,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:45:45,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:45:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:45:45,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:45:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:45:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:45:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:45:45,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:45:45,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:45:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:45:45,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:45,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:45,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:45,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:45,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:45,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:45:45,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking...