./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97d4c6be733483d74e70aacf7c001bc7f4ca03733e33a8c0b4370e9380a7e003 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:19:13,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:19:13,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:19:13,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:19:13,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:19:13,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:19:13,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:19:13,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:19:13,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:19:13,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:19:13,897 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:19:13,897 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:19:13,897 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:19:13,897 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:19:13,898 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:19:13,900 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:19:13,900 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:19:13,900 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:19:13,900 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:19:13,900 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:19:13,901 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:19:13,901 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:19:13,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:19:13,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:19:13,901 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:19:13,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:19:13,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:19:13,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:19:13,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:19:13,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:19:13,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:19:13,902 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:19:13,902 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:19:13,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:19:13,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:19:13,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:19:13,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:19:13,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:19:13,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:19:13,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:19:13,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:19:13,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:19:13,905 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:19:13,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:19:13,905 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:19:13,906 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:19:13,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:19:13,906 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97d4c6be733483d74e70aacf7c001bc7f4ca03733e33a8c0b4370e9380a7e003 [2024-11-14 03:19:14,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:19:14,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:19:14,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:19:14,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:19:14,350 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:19:14,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/email_spec11_product35.cil.c Unable to find full path for "g++" [2024-11-14 03:19:16,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:19:17,327 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:19:17,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/sv-benchmarks/c/product-lines/email_spec11_product35.cil.c [2024-11-14 03:19:17,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/data/2c647fea8/ecd6270bccaf4e54a69649bf4fa9cc92/FLAG293b3e0f1 [2024-11-14 03:19:17,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/data/2c647fea8/ecd6270bccaf4e54a69649bf4fa9cc92 [2024-11-14 03:19:17,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:19:17,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:19:17,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:19:17,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:19:17,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:19:17,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:19:17" (1/1) ... [2024-11-14 03:19:17,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb8d3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:17, skipping insertion in model container [2024-11-14 03:19:17,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:19:17" (1/1) ... [2024-11-14 03:19:17,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:19:18,388 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/sv-benchmarks/c/product-lines/email_spec11_product35.cil.c[61136,61149] [2024-11-14 03:19:18,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:19:18,478 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:19:18,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-14 03:19:18,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [460] [2024-11-14 03:19:18,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1540] [2024-11-14 03:19:18,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1573] [2024-11-14 03:19:18,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1939] [2024-11-14 03:19:18,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2172] [2024-11-14 03:19:18,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2190] [2024-11-14 03:19:18,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2327] [2024-11-14 03:19:18,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2766] [2024-11-14 03:19:18,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2775] [2024-11-14 03:19:18,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2813] [2024-11-14 03:19:18,685 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/sv-benchmarks/c/product-lines/email_spec11_product35.cil.c[61136,61149] [2024-11-14 03:19:18,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:19:18,744 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:19:18,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18 WrapperNode [2024-11-14 03:19:18,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:19:18,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:19:18,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:19:18,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:19:18,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (1/1) ... [2024-11-14 03:19:18,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (1/1) ... [2024-11-14 03:19:18,890 INFO L138 Inliner]: procedures = 137, calls = 226, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1146 [2024-11-14 03:19:18,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:19:18,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:19:18,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:19:18,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:19:18,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (1/1) ... [2024-11-14 03:19:18,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (1/1) ... [2024-11-14 03:19:18,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (1/1) ... [2024-11-14 03:19:18,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (1/1) ... [2024-11-14 03:19:18,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (1/1) ... [2024-11-14 03:19:18,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (1/1) ... [2024-11-14 03:19:18,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (1/1) ... [2024-11-14 03:19:18,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (1/1) ... [2024-11-14 03:19:18,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:19:18,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:19:18,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:19:18,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:19:18,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (1/1) ... [2024-11-14 03:19:18,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:19:19,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:19:19,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:19:19,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:19:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-14 03:19:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-14 03:19:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-14 03:19:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-14 03:19:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-14 03:19:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-14 03:19:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-14 03:19:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-14 03:19:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-14 03:19:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-14 03:19:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-14 03:19:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-14 03:19:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-14 03:19:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-14 03:19:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-14 03:19:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-14 03:19:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-14 03:19:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-14 03:19:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-14 03:19:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-14 03:19:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-14 03:19:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-14 03:19:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-14 03:19:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-14 03:19:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-14 03:19:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-14 03:19:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-14 03:19:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-14 03:19:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-14 03:19:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-14 03:19:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-14 03:19:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-14 03:19:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:19:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-14 03:19:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-14 03:19:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-14 03:19:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-14 03:19:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-14 03:19:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-14 03:19:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-14 03:19:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-14 03:19:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-14 03:19:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-14 03:19:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-14 03:19:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-14 03:19:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-14 03:19:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-14 03:19:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-14 03:19:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-14 03:19:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-14 03:19:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-14 03:19:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-14 03:19:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-14 03:19:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-14 03:19:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-14 03:19:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:19:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-14 03:19:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-14 03:19:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-14 03:19:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-14 03:19:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:19:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:19:19,405 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:19:19,408 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:19:21,099 INFO L? ?]: Removed 607 outVars from TransFormulas that were not future-live. [2024-11-14 03:19:21,099 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:19:22,347 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:19:22,348 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:19:22,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:19:22 BoogieIcfgContainer [2024-11-14 03:19:22,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:19:22,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:19:22,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:19:22,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:19:22,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:19:17" (1/3) ... [2024-11-14 03:19:22,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb50d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:19:22, skipping insertion in model container [2024-11-14 03:19:22,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:18" (2/3) ... [2024-11-14 03:19:22,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb50d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:19:22, skipping insertion in model container [2024-11-14 03:19:22,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:19:22" (3/3) ... [2024-11-14 03:19:22,361 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product35.cil.c [2024-11-14 03:19:22,384 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:19:22,389 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product35.cil.c that has 30 procedures, 239 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:19:22,517 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:19:22,539 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@351450a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:19:22,541 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:19:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 239 states, 134 states have (on average 1.2835820895522387) internal successors, (172), 139 states have internal predecessors, (172), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-14 03:19:22,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-14 03:19:22,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:19:22,564 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:19:22,565 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:19:22,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:19:22,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1259447853, now seen corresponding path program 1 times [2024-11-14 03:19:22,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:19:22,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062176821] [2024-11-14 03:19:22,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:19:22,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:19:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:19:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 03:19:23,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:19:23,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062176821] [2024-11-14 03:19:23,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062176821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:19:23,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:19:23,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:19:23,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205369398] [2024-11-14 03:19:23,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:19:23,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:19:23,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:19:23,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:19:23,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:19:23,286 INFO L87 Difference]: Start difference. First operand has 239 states, 134 states have (on average 1.2835820895522387) internal successors, (172), 139 states have internal predecessors, (172), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 03:19:23,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:19:23,554 INFO L93 Difference]: Finished difference Result 386 states and 511 transitions. [2024-11-14 03:19:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:19:23,558 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 95 [2024-11-14 03:19:23,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:19:23,573 INFO L225 Difference]: With dead ends: 386 [2024-11-14 03:19:23,574 INFO L226 Difference]: Without dead ends: 236 [2024-11-14 03:19:23,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:19:23,583 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:19:23,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:19:23,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-14 03:19:23,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-11-14 03:19:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 136 states have internal predecessors, (166), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-14 03:19:23,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 313 transitions. [2024-11-14 03:19:23,697 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 313 transitions. Word has length 95 [2024-11-14 03:19:23,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:19:23,701 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 313 transitions. [2024-11-14 03:19:23,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 03:19:23,702 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 313 transitions. [2024-11-14 03:19:23,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-14 03:19:23,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:19:23,715 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:19:23,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:19:23,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:19:23,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:19:23,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1499630646, now seen corresponding path program 1 times [2024-11-14 03:19:23,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:19:23,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908917428] [2024-11-14 03:19:23,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:19:23,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:19:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:19:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 03:19:24,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:19:24,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908917428] [2024-11-14 03:19:24,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908917428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:19:24,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:19:24,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:19:24,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127115457] [2024-11-14 03:19:24,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:19:24,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:19:24,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:19:24,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:19:24,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:19:24,357 INFO L87 Difference]: Start difference. First operand 236 states and 313 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 03:19:24,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:19:24,630 INFO L93 Difference]: Finished difference Result 382 states and 496 transitions. [2024-11-14 03:19:24,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:19:24,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 96 [2024-11-14 03:19:24,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:19:24,637 INFO L225 Difference]: With dead ends: 382 [2024-11-14 03:19:24,642 INFO L226 Difference]: Without dead ends: 238 [2024-11-14 03:19:24,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:19:24,644 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:19:24,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 533 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:19:24,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-14 03:19:24,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-11-14 03:19:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 134 states have (on average 1.2537313432835822) internal successors, (168), 138 states have internal predecessors, (168), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-14 03:19:24,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 315 transitions. [2024-11-14 03:19:24,696 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 315 transitions. Word has length 96 [2024-11-14 03:19:24,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:19:24,696 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 315 transitions. [2024-11-14 03:19:24,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 03:19:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 315 transitions. [2024-11-14 03:19:24,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-14 03:19:24,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:19:24,703 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:19:24,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:19:24,703 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:19:24,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:19:24,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1961906012, now seen corresponding path program 1 times [2024-11-14 03:19:24,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:19:24,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243010620] [2024-11-14 03:19:24,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:19:24,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:19:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:19:25,017 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 03:19:25,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:19:25,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243010620] [2024-11-14 03:19:25,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243010620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:19:25,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:19:25,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:19:25,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434855330] [2024-11-14 03:19:25,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:19:25,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:19:25,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:19:25,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:19:25,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:19:25,020 INFO L87 Difference]: Start difference. First operand 238 states and 315 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 03:19:25,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:19:25,313 INFO L93 Difference]: Finished difference Result 511 states and 697 transitions. [2024-11-14 03:19:25,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:19:25,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 101 [2024-11-14 03:19:25,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:19:25,327 INFO L225 Difference]: With dead ends: 511 [2024-11-14 03:19:25,327 INFO L226 Difference]: Without dead ends: 291 [2024-11-14 03:19:25,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:19:25,330 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 59 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:19:25,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 548 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:19:25,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-14 03:19:25,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 286. [2024-11-14 03:19:25,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 168 states have (on average 1.3273809523809523) internal successors, (223), 172 states have internal predecessors, (223), 88 states have call successors, (88), 29 states have call predecessors, (88), 29 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-14 03:19:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 398 transitions. [2024-11-14 03:19:25,390 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 398 transitions. Word has length 101 [2024-11-14 03:19:25,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:19:25,390 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 398 transitions. [2024-11-14 03:19:25,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 03:19:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 398 transitions. [2024-11-14 03:19:25,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-14 03:19:25,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:19:25,400 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:19:25,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:19:25,401 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:19:25,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:19:25,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1979296023, now seen corresponding path program 1 times [2024-11-14 03:19:25,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:19:25,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829718977] [2024-11-14 03:19:25,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:19:25,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:19:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:19:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:19:25,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:19:25,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829718977] [2024-11-14 03:19:25,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829718977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:19:25,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055702054] [2024-11-14 03:19:25,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:19:25,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:19:25,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:19:25,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:19:25,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:19:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:19:26,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:19:26,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:19:26,716 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:19:26,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:19:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:19:26,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055702054] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:19:26,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [132152507] [2024-11-14 03:19:27,004 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2024-11-14 03:19:27,005 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:19:27,009 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:19:27,014 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:19:27,014 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:20:04,325 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-14 03:20:04,576 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-14 03:20:04,756 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:21:15,947 WARN L286 SmtUtils]: Spent 12.44s on a formula simplification. DAG size of input: 456 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:21:23,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [132152507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:21:23,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:21:23,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-14 03:21:23,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482761379] [2024-11-14 03:21:23,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:21:23,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 03:21:23,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:21:23,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 03:21:23,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2024-11-14 03:21:23,520 INFO L87 Difference]: Start difference. First operand 286 states and 398 transitions. Second operand has 23 states, 15 states have (on average 3.533333333333333) internal successors, (53), 14 states have internal predecessors, (53), 7 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-14 03:21:42,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:21:42,714 INFO L93 Difference]: Finished difference Result 587 states and 834 transitions. [2024-11-14 03:21:42,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-14 03:21:42,715 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 3.533333333333333) internal successors, (53), 14 states have internal predecessors, (53), 7 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 113 [2024-11-14 03:21:42,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:21:42,719 INFO L225 Difference]: With dead ends: 587 [2024-11-14 03:21:42,719 INFO L226 Difference]: Without dead ends: 319 [2024-11-14 03:21:42,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 86.5s TimeCoverageRelationStatistics Valid=91, Invalid=779, Unknown=0, NotChecked=0, Total=870 [2024-11-14 03:21:42,722 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 27 mSDsluCounter, 3721 mSDsCounter, 0 mSdLazyCounter, 2426 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 3970 SdHoareTripleChecker+Invalid, 2437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:21:42,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 3970 Invalid, 2437 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 2426 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2024-11-14 03:21:42,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-14 03:21:42,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 309. [2024-11-14 03:21:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 190 states have (on average 1.3473684210526315) internal successors, (256), 194 states have internal predecessors, (256), 88 states have call successors, (88), 30 states have call predecessors, (88), 30 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-14 03:21:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 431 transitions. [2024-11-14 03:21:42,793 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 431 transitions. Word has length 113 [2024-11-14 03:21:42,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:21:42,794 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 431 transitions. [2024-11-14 03:21:42,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 3.533333333333333) internal successors, (53), 14 states have internal predecessors, (53), 7 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-14 03:21:42,794 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 431 transitions. [2024-11-14 03:21:42,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-14 03:21:42,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:21:42,798 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:21:42,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:21:43,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:21:43,002 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:21:43,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:21:43,003 INFO L85 PathProgramCache]: Analyzing trace with hash 161263206, now seen corresponding path program 1 times [2024-11-14 03:21:43,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:21:43,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914843471] [2024-11-14 03:21:43,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:21:43,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:21:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:21:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:21:43,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:21:43,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914843471] [2024-11-14 03:21:43,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914843471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:21:43,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:21:43,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:21:43,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169941115] [2024-11-14 03:21:43,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:21:43,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:21:43,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:21:43,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:21:43,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:21:43,158 INFO L87 Difference]: Start difference. First operand 309 states and 431 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 03:21:43,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:21:43,412 INFO L93 Difference]: Finished difference Result 721 states and 1042 transitions. [2024-11-14 03:21:43,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:21:43,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 107 [2024-11-14 03:21:43,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:21:43,417 INFO L225 Difference]: With dead ends: 721 [2024-11-14 03:21:43,417 INFO L226 Difference]: Without dead ends: 436 [2024-11-14 03:21:43,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:21:43,419 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 57 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:21:43,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 541 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:21:43,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-14 03:21:43,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 431. [2024-11-14 03:21:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 281 states have (on average 1.4092526690391458) internal successors, (396), 285 states have internal predecessors, (396), 119 states have call successors, (119), 30 states have call predecessors, (119), 30 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-14 03:21:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 633 transitions. [2024-11-14 03:21:43,518 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 633 transitions. Word has length 107 [2024-11-14 03:21:43,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:21:43,518 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 633 transitions. [2024-11-14 03:21:43,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 03:21:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 633 transitions. [2024-11-14 03:21:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-14 03:21:43,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:21:43,522 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:21:43,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 03:21:43,522 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:21:43,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:21:43,523 INFO L85 PathProgramCache]: Analyzing trace with hash -616127298, now seen corresponding path program 1 times [2024-11-14 03:21:43,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:21:43,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752301327] [2024-11-14 03:21:43,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:21:43,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:21:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:21:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:21:43,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:21:43,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752301327] [2024-11-14 03:21:43,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752301327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:21:43,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545622138] [2024-11-14 03:21:43,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:21:43,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:21:43,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:21:43,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:21:43,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 03:21:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:21:44,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 1080 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:21:44,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:21:44,358 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:21:44,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:21:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:21:44,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545622138] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:21:44,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1000472725] [2024-11-14 03:21:44,512 INFO L159 IcfgInterpreter]: Started Sifa with 85 locations of interest [2024-11-14 03:21:44,512 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:21:44,513 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:21:44,513 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:21:44,513 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:22:23,307 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-14 03:22:23,481 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 440 for LOIs [2024-11-14 03:22:24,721 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:22:47,526 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification. DAG size of input: 440 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:22:58,265 WARN L286 SmtUtils]: Spent 10.30s on a formula simplification. DAG size of input: 464 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:23:38,849 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification. DAG size of input: 457 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:23:59,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1000472725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:23:59,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:23:59,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-14 03:23:59,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661606274] [2024-11-14 03:23:59,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:23:59,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-14 03:23:59,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:23:59,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-14 03:23:59,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-14 03:23:59,894 INFO L87 Difference]: Start difference. First operand 431 states and 633 transitions. Second operand has 27 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 17 states have internal predecessors, (53), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-14 03:24:27,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:24:27,879 INFO L93 Difference]: Finished difference Result 853 states and 1269 transitions. [2024-11-14 03:24:27,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-14 03:24:27,880 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 17 states have internal predecessors, (53), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) Word has length 108 [2024-11-14 03:24:27,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:24:27,884 INFO L225 Difference]: With dead ends: 853 [2024-11-14 03:24:27,884 INFO L226 Difference]: Without dead ends: 485 [2024-11-14 03:24:27,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 107.9s TimeCoverageRelationStatistics Valid=135, Invalid=1197, Unknown=0, NotChecked=0, Total=1332 [2024-11-14 03:24:27,887 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 29 mSDsluCounter, 3570 mSDsCounter, 0 mSdLazyCounter, 2957 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 3817 SdHoareTripleChecker+Invalid, 2969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:24:27,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 3817 Invalid, 2969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 2957 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2024-11-14 03:24:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-14 03:24:28,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 445. [2024-11-14 03:24:28,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 293 states have (on average 1.4095563139931742) internal successors, (413), 297 states have internal predecessors, (413), 120 states have call successors, (120), 31 states have call predecessors, (120), 31 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-14 03:24:28,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 652 transitions. [2024-11-14 03:24:28,014 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 652 transitions. Word has length 108 [2024-11-14 03:24:28,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:24:28,015 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 652 transitions. [2024-11-14 03:24:28,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 17 states have internal predecessors, (53), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-14 03:24:28,015 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 652 transitions. [2024-11-14 03:24:28,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-14 03:24:28,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:24:28,024 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:24:28,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 03:24:28,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:24:28,228 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:24:28,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:24:28,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1932959944, now seen corresponding path program 1 times [2024-11-14 03:24:28,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:24:28,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352100975] [2024-11-14 03:24:28,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:24:28,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:24:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:24:28,507 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:24:28,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:24:28,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352100975] [2024-11-14 03:24:28,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352100975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:24:28,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097551083] [2024-11-14 03:24:28,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:24:28,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:24:28,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:24:28,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:24:28,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 03:24:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:24:29,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:24:29,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:24:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:24:29,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:24:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:24:29,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097551083] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:24:29,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [570229380] [2024-11-14 03:24:29,341 INFO L159 IcfgInterpreter]: Started Sifa with 97 locations of interest [2024-11-14 03:24:29,341 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:24:29,342 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:24:29,342 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:24:29,342 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:25:29,895 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-14 03:25:30,036 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 486 for LOIs [2024-11-14 03:25:30,920 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 495 for LOIs [2024-11-14 03:25:31,819 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 431 for LOIs [2024-11-14 03:25:32,175 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-14 03:25:32,320 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:26:32,011 WARN L286 SmtUtils]: Spent 11.42s on a formula simplification. DAG size of input: 515 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:27:24,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [570229380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:27:24,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:27:24,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-14 03:27:24,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800045810] [2024-11-14 03:27:24,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:27:24,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 03:27:24,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:27:24,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 03:27:24,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1286, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 03:27:24,815 INFO L87 Difference]: Start difference. First operand 445 states and 652 transitions. Second operand has 33 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 18 states have internal predecessors, (56), 10 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (24), 10 states have call predecessors, (24), 10 states have call successors, (24) [2024-11-14 03:27:54,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:27:54,365 INFO L93 Difference]: Finished difference Result 905 states and 1356 transitions. [2024-11-14 03:27:54,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-14 03:27:54,367 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 18 states have internal predecessors, (56), 10 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (24), 10 states have call predecessors, (24), 10 states have call successors, (24) Word has length 122 [2024-11-14 03:27:54,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:27:54,374 INFO L225 Difference]: With dead ends: 905 [2024-11-14 03:27:54,374 INFO L226 Difference]: Without dead ends: 537 [2024-11-14 03:27:54,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 120.1s TimeCoverageRelationStatistics Valid=132, Invalid=1428, Unknown=0, NotChecked=0, Total=1560 [2024-11-14 03:27:54,379 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 81 mSDsluCounter, 4048 mSDsCounter, 0 mSdLazyCounter, 4195 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 4300 SdHoareTripleChecker+Invalid, 4208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:27:54,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 4300 Invalid, 4208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 4195 Invalid, 0 Unknown, 0 Unchecked, 21.7s Time] [2024-11-14 03:27:54,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-14 03:27:54,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 481. [2024-11-14 03:27:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 323 states have (on average 1.4086687306501549) internal successors, (455), 327 states have internal predecessors, (455), 123 states have call successors, (123), 34 states have call predecessors, (123), 34 states have return successors, (122), 121 states have call predecessors, (122), 122 states have call successors, (122) [2024-11-14 03:27:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 700 transitions. [2024-11-14 03:27:54,517 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 700 transitions. Word has length 122 [2024-11-14 03:27:54,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:27:54,518 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 700 transitions. [2024-11-14 03:27:54,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 18 states have internal predecessors, (56), 10 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (24), 10 states have call predecessors, (24), 10 states have call successors, (24) [2024-11-14 03:27:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 700 transitions. [2024-11-14 03:27:54,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-14 03:27:54,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:54,521 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:27:54,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 03:27:54,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:27:54,722 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:27:54,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:54,723 INFO L85 PathProgramCache]: Analyzing trace with hash -81393665, now seen corresponding path program 1 times [2024-11-14 03:27:54,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:27:54,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678306209] [2024-11-14 03:27:54,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:54,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:27:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:27:54,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:27:54,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678306209] [2024-11-14 03:27:54,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678306209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:27:54,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215901379] [2024-11-14 03:27:54,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:54,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:27:54,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:27:54,892 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:27:54,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:27:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:55,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:27:55,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:27:55,380 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:27:55,380 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:27:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:27:55,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215901379] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:27:55,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1941527077] [2024-11-14 03:27:55,502 INFO L159 IcfgInterpreter]: Started Sifa with 96 locations of interest [2024-11-14 03:27:55,502 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:27:55,503 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:27:55,503 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:27:55,503 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:28:32,341 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-14 03:28:32,478 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-14 03:28:32,577 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:29:28,904 WARN L286 SmtUtils]: Spent 9.68s on a formula simplification. DAG size of input: 456 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:29:57,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1941527077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:29:57,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:29:57,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [4, 4, 4] total 34 [2024-11-14 03:29:57,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932366509] [2024-11-14 03:29:57,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:29:57,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-14 03:29:57,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:29:57,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-14 03:29:57,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1001, Unknown=0, NotChecked=0, Total=1122 [2024-11-14 03:29:57,890 INFO L87 Difference]: Start difference. First operand 481 states and 700 transitions. Second operand has 29 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 7 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-14 03:30:20,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:30:20,363 INFO L93 Difference]: Finished difference Result 898 states and 1333 transitions. [2024-11-14 03:30:20,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-14 03:30:20,364 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 7 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 121 [2024-11-14 03:30:20,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:30:20,368 INFO L225 Difference]: With dead ends: 898 [2024-11-14 03:30:20,368 INFO L226 Difference]: Without dead ends: 530 [2024-11-14 03:30:20,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 97.4s TimeCoverageRelationStatistics Valid=142, Invalid=1190, Unknown=0, NotChecked=0, Total=1332 [2024-11-14 03:30:20,371 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 39 mSDsluCounter, 3201 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 3445 SdHoareTripleChecker+Invalid, 2464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:30:20,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 3445 Invalid, 2464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 2452 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2024-11-14 03:30:20,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-14 03:30:20,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 501. [2024-11-14 03:30:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 343 states have (on average 1.41399416909621) internal successors, (485), 347 states have internal predecessors, (485), 123 states have call successors, (123), 34 states have call predecessors, (123), 34 states have return successors, (122), 121 states have call predecessors, (122), 122 states have call successors, (122) [2024-11-14 03:30:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 730 transitions. [2024-11-14 03:30:20,501 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 730 transitions. Word has length 121 [2024-11-14 03:30:20,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:30:20,502 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 730 transitions. [2024-11-14 03:30:20,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 7 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-14 03:30:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 730 transitions. [2024-11-14 03:30:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 03:30:20,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:20,504 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:30:20,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 03:30:20,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:30:20,704 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:30:20,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:20,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1907647383, now seen corresponding path program 1 times [2024-11-14 03:30:20,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:30:20,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935784365] [2024-11-14 03:30:20,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:20,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:30:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-14 03:30:21,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:30:21,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935784365] [2024-11-14 03:30:21,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935784365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:30:21,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:30:21,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 03:30:21,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529289267] [2024-11-14 03:30:21,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:30:21,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 03:30:21,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:30:21,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 03:30:21,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-14 03:30:21,303 INFO L87 Difference]: Start difference. First operand 501 states and 730 transitions. Second operand has 12 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 6 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-14 03:30:22,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:30:22,719 INFO L93 Difference]: Finished difference Result 996 states and 1434 transitions. [2024-11-14 03:30:22,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 03:30:22,720 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 6 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 124 [2024-11-14 03:30:22,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:30:22,725 INFO L225 Difference]: With dead ends: 996 [2024-11-14 03:30:22,725 INFO L226 Difference]: Without dead ends: 857 [2024-11-14 03:30:22,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-14 03:30:22,727 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 430 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:30:22,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 1808 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-14 03:30:22,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-11-14 03:30:22,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 850. [2024-11-14 03:30:22,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 562 states have (on average 1.4217081850533808) internal successors, (799), 570 states have internal predecessors, (799), 227 states have call successors, (227), 61 states have call predecessors, (227), 60 states have return successors, (223), 222 states have call predecessors, (223), 223 states have call successors, (223) [2024-11-14 03:30:22,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1249 transitions. [2024-11-14 03:30:22,904 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1249 transitions. Word has length 124 [2024-11-14 03:30:22,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:30:22,905 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1249 transitions. [2024-11-14 03:30:22,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 6 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-14 03:30:22,905 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1249 transitions. [2024-11-14 03:30:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-14 03:30:22,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:22,909 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:30:22,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 03:30:22,909 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:30:22,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:22,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1309908959, now seen corresponding path program 1 times [2024-11-14 03:30:22,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:30:22,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616397313] [2024-11-14 03:30:22,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:22,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:30:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-14 03:30:23,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:30:23,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616397313] [2024-11-14 03:30:23,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616397313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:30:23,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526909189] [2024-11-14 03:30:23,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:23,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:30:23,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:30:23,958 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:30:23,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 03:30:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:24,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:30:24,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:30:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:30:24,526 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:30:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 03:30:24,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526909189] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:30:24,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [570584623] [2024-11-14 03:30:24,657 INFO L159 IcfgInterpreter]: Started Sifa with 85 locations of interest [2024-11-14 03:30:24,657 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:30:24,658 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:30:24,658 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:30:24,658 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:31:05,608 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-14 03:31:05,750 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 442 for LOIs [2024-11-14 03:31:06,810 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:31:31,031 WARN L286 SmtUtils]: Spent 7.22s on a formula simplification. DAG size of input: 442 DAG size of output: 443 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:31:42,990 WARN L286 SmtUtils]: Spent 10.95s on a formula simplification. DAG size of input: 466 DAG size of output: 461 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:32:32,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [570584623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:32:32,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:32:32,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [21, 5, 5] total 49 [2024-11-14 03:32:32,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905892652] [2024-11-14 03:32:32,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:32:32,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-14 03:32:32,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:32:32,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-14 03:32:32,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=2190, Unknown=0, NotChecked=0, Total=2352 [2024-11-14 03:32:32,694 INFO L87 Difference]: Start difference. First operand 850 states and 1249 transitions. Second operand has 26 states, 17 states have (on average 3.176470588235294) internal successors, (54), 16 states have internal predecessors, (54), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-14 03:32:52,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:32:52,234 INFO L93 Difference]: Finished difference Result 1655 states and 2467 transitions. [2024-11-14 03:32:52,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-14 03:32:52,235 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 3.176470588235294) internal successors, (54), 16 states have internal predecessors, (54), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) Word has length 113 [2024-11-14 03:32:52,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:32:52,241 INFO L225 Difference]: With dead ends: 1655 [2024-11-14 03:32:52,241 INFO L226 Difference]: Without dead ends: 938 [2024-11-14 03:32:52,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 311 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 92.5s TimeCoverageRelationStatistics Valid=187, Invalid=2465, Unknown=0, NotChecked=0, Total=2652 [2024-11-14 03:32:52,244 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 71 mSDsluCounter, 3504 mSDsCounter, 0 mSdLazyCounter, 3013 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 3751 SdHoareTripleChecker+Invalid, 3027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 3013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:32:52,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 3751 Invalid, 3027 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 3013 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2024-11-14 03:32:52,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-14 03:32:52,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 871. [2024-11-14 03:32:52,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 580 states have (on average 1.4206896551724137) internal successors, (824), 588 states have internal predecessors, (824), 229 states have call successors, (229), 62 states have call predecessors, (229), 61 states have return successors, (225), 224 states have call predecessors, (225), 225 states have call successors, (225) [2024-11-14 03:32:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1278 transitions. [2024-11-14 03:32:52,534 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1278 transitions. Word has length 113 [2024-11-14 03:32:52,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:32:52,537 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1278 transitions. [2024-11-14 03:32:52,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 3.176470588235294) internal successors, (54), 16 states have internal predecessors, (54), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-14 03:32:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1278 transitions. [2024-11-14 03:32:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-14 03:32:52,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:32:52,541 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:32:52,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-14 03:32:52,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:32:52,742 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:32:52,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:32:52,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1634525190, now seen corresponding path program 1 times [2024-11-14 03:32:52,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:32:52,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496825329] [2024-11-14 03:32:52,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:32:52,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:32:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:32:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-14 03:32:54,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:32:54,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496825329] [2024-11-14 03:32:54,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496825329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:32:54,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704885510] [2024-11-14 03:32:54,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:32:54,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:32:54,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:32:54,639 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:32:54,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37569be6-a3ce-4307-a898-a47e2f522236/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 03:32:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:32:55,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:32:55,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:32:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 03:32:55,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:32:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 03:32:55,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704885510] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:32:55,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1134376371] [2024-11-14 03:32:55,411 INFO L159 IcfgInterpreter]: Started Sifa with 92 locations of interest [2024-11-14 03:32:55,411 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:32:55,412 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:32:55,412 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:32:55,412 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs