./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product20.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_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/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_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/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_79cff322-6aeb-439f-bf80-79721b29019f/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 e0e95c13964d33a58c84e6632b6635f09155542b4e87cc9520cc45bb7c6f5f1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:01:22,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:01:22,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:01:22,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:01:22,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:01:22,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:01:22,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:01:22,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:01:22,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:01:22,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:01:22,408 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:01:22,408 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:01:22,409 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:01:22,409 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:01:22,410 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:01:22,411 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:01:22,411 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:01:22,411 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:01:22,411 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:01:22,411 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:01:22,412 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:01:22,412 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:01:22,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:01:22,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:01:22,412 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:01:22,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:01:22,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:01:22,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:01:22,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:01:22,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:01:22,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:01:22,413 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:01:22,413 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:01:22,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:01:22,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:01:22,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:01:22,414 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:01:22,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:01:22,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:01:22,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:01:22,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:01:22,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:01:22,414 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:01:22,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:01:22,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:01:22,416 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:01:22,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:01:22,417 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_79cff322-6aeb-439f-bf80-79721b29019f/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 -> e0e95c13964d33a58c84e6632b6635f09155542b4e87cc9520cc45bb7c6f5f1d [2024-11-14 04:01:22,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:01:22,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:01:22,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:01:22,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:01:22,788 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:01:22,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/email_spec1_product20.cil.c Unable to find full path for "g++" [2024-11-14 04:01:24,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:01:25,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:01:25,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/sv-benchmarks/c/product-lines/email_spec1_product20.cil.c [2024-11-14 04:01:25,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/data/c2034bfd5/5e672d3a7c9843e3b8a72861c8b9f252/FLAGba3e0cf20 [2024-11-14 04:01:25,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/data/c2034bfd5/5e672d3a7c9843e3b8a72861c8b9f252 [2024-11-14 04:01:25,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:01:25,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:01:25,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:01:25,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:01:25,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:01:25,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:01:25" (1/1) ... [2024-11-14 04:01:25,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cb351f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:25, skipping insertion in model container [2024-11-14 04:01:25,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:01:25" (1/1) ... [2024-11-14 04:01:25,605 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:01:26,158 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_79cff322-6aeb-439f-bf80-79721b29019f/sv-benchmarks/c/product-lines/email_spec1_product20.cil.c[17698,17711] [2024-11-14 04:01:26,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:01:26,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:01:26,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-14 04:01:26,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [460] [2024-11-14 04:01:26,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [795] [2024-11-14 04:01:26,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [899] [2024-11-14 04:01:26,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [908] [2024-11-14 04:01:26,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1220] [2024-11-14 04:01:26,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1439] [2024-11-14 04:01:26,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [2501] [2024-11-14 04:01:26,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2529] [2024-11-14 04:01:26,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2895] [2024-11-14 04:01:26,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2930] [2024-11-14 04:01:26,549 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_79cff322-6aeb-439f-bf80-79721b29019f/sv-benchmarks/c/product-lines/email_spec1_product20.cil.c[17698,17711] [2024-11-14 04:01:26,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:01:26,750 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:01:26,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26 WrapperNode [2024-11-14 04:01:26,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:01:26,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:01:26,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:01:26,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:01:26,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (1/1) ... [2024-11-14 04:01:26,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (1/1) ... [2024-11-14 04:01:26,873 INFO L138 Inliner]: procedures = 128, calls = 197, calls flagged for inlining = 55, calls inlined = 48, statements flattened = 951 [2024-11-14 04:01:26,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:01:26,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:01:26,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:01:26,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:01:26,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (1/1) ... [2024-11-14 04:01:26,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (1/1) ... [2024-11-14 04:01:26,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (1/1) ... [2024-11-14 04:01:26,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (1/1) ... [2024-11-14 04:01:26,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (1/1) ... [2024-11-14 04:01:26,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (1/1) ... [2024-11-14 04:01:26,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (1/1) ... [2024-11-14 04:01:26,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (1/1) ... [2024-11-14 04:01:26,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:01:26,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:01:26,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:01:26,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:01:26,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (1/1) ... [2024-11-14 04:01:27,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:01:27,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:01:27,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:01:27,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:01:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-14 04:01:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-14 04:01:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-14 04:01:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-14 04:01:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-14 04:01:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-14 04:01:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-14 04:01:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-14 04:01:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-14 04:01:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-14 04:01:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-14 04:01:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-14 04:01:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-14 04:01:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-14 04:01:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-14 04:01:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-14 04:01:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-14 04:01:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-14 04:01:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-14 04:01:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-14 04:01:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-14 04:01:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-14 04:01:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-14 04:01:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-14 04:01:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:01:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-14 04:01:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-14 04:01:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-14 04:01:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-14 04:01:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-14 04:01:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-14 04:01:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-14 04:01:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-14 04:01:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-14 04:01:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-14 04:01:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-14 04:01:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-14 04:01:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-14 04:01:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-14 04:01:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-14 04:01:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-14 04:01:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:01:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-14 04:01:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-14 04:01:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-14 04:01:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-14 04:01:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:01:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:01:27,427 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:01:27,429 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:01:28,875 INFO L? ?]: Removed 480 outVars from TransFormulas that were not future-live. [2024-11-14 04:01:28,878 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:01:29,946 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:01:29,947 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:01:29,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:01:29 BoogieIcfgContainer [2024-11-14 04:01:29,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:01:29,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:01:29,951 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:01:29,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:01:29,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:01:25" (1/3) ... [2024-11-14 04:01:29,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4877ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:01:29, skipping insertion in model container [2024-11-14 04:01:29,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:26" (2/3) ... [2024-11-14 04:01:29,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4877ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:01:29, skipping insertion in model container [2024-11-14 04:01:29,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:01:29" (3/3) ... [2024-11-14 04:01:29,962 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product20.cil.c [2024-11-14 04:01:29,984 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:01:29,989 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec1_product20.cil.c that has 23 procedures, 181 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:01:30,089 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:01:30,109 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;@653d4254, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:01:30,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:01:30,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 108 states have internal predecessors, (138), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-14 04:01:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-14 04:01:30,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:01:30,135 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-14 04:01:30,136 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:01:30,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:01:30,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1519550145, now seen corresponding path program 1 times [2024-11-14 04:01:30,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:01:30,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120880788] [2024-11-14 04:01:30,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:01:30,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:01:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:01:30,768 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:01:30,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:01:30,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120880788] [2024-11-14 04:01:30,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120880788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:01:30,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:01:30,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:01:30,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991461299] [2024-11-14 04:01:30,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:01:30,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:01:30,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:01:30,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:01:30,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:01:30,817 INFO L87 Difference]: Start difference. First operand has 181 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 108 states have internal predecessors, (138), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 04:01:30,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:01:30,985 INFO L93 Difference]: Finished difference Result 270 states and 363 transitions. [2024-11-14 04:01:30,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:01:30,987 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2024-11-14 04:01:30,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:01:30,999 INFO L225 Difference]: With dead ends: 270 [2024-11-14 04:01:31,000 INFO L226 Difference]: Without dead ends: 178 [2024-11-14 04:01:31,004 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 04:01:31,008 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:01:31,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 208 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:01:31,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-14 04:01:31,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-11-14 04:01:31,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 101 states have (on average 1.306930693069307) internal successors, (132), 105 states have internal predecessors, (132), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-14 04:01:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 239 transitions. [2024-11-14 04:01:31,097 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 239 transitions. Word has length 63 [2024-11-14 04:01:31,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:01:31,099 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 239 transitions. [2024-11-14 04:01:31,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 04:01:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 239 transitions. [2024-11-14 04:01:31,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 04:01:31,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:01:31,108 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-14 04:01:31,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:01:31,109 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:01:31,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:01:31,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1209399223, now seen corresponding path program 1 times [2024-11-14 04:01:31,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:01:31,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913009450] [2024-11-14 04:01:31,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:01:31,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:01:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:01:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:01:31,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:01:31,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913009450] [2024-11-14 04:01:31,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913009450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:01:31,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:01:31,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:01:31,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945381624] [2024-11-14 04:01:31,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:01:31,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:01:31,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:01:31,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:01:31,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:01:31,504 INFO L87 Difference]: Start difference. First operand 178 states and 239 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 04:01:31,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:01:31,708 INFO L93 Difference]: Finished difference Result 266 states and 348 transitions. [2024-11-14 04:01:31,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:01:31,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 64 [2024-11-14 04:01:31,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:01:31,716 INFO L225 Difference]: With dead ends: 266 [2024-11-14 04:01:31,717 INFO L226 Difference]: Without dead ends: 180 [2024-11-14 04:01:31,718 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 04:01:31,722 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 0 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:01:31,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 409 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:01:31,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-14 04:01:31,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-11-14 04:01:31,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 103 states have (on average 1.3009708737864079) internal successors, (134), 107 states have internal predecessors, (134), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-14 04:01:31,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 241 transitions. [2024-11-14 04:01:31,761 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 241 transitions. Word has length 64 [2024-11-14 04:01:31,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:01:31,763 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 241 transitions. [2024-11-14 04:01:31,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 04:01:31,763 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 241 transitions. [2024-11-14 04:01:31,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-14 04:01:31,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:01:31,769 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-14 04:01:31,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:01:31,769 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:01:31,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:01:31,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1114536837, now seen corresponding path program 1 times [2024-11-14 04:01:31,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:01:31,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828551109] [2024-11-14 04:01:31,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:01:31,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:01:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:01:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:01:31,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:01:31,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828551109] [2024-11-14 04:01:31,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828551109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:01:31,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:01:31,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:01:31,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496843782] [2024-11-14 04:01:31,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:01:31,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:01:31,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:01:31,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:01:31,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:01:31,993 INFO L87 Difference]: Start difference. First operand 180 states and 241 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 04:01:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:01:32,194 INFO L93 Difference]: Finished difference Result 395 states and 549 transitions. [2024-11-14 04:01:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:01:32,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 69 [2024-11-14 04:01:32,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:01:32,198 INFO L225 Difference]: With dead ends: 395 [2024-11-14 04:01:32,201 INFO L226 Difference]: Without dead ends: 233 [2024-11-14 04:01:32,202 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 04:01:32,203 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 59 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:01:32,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 421 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:01:32,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-14 04:01:32,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 228. [2024-11-14 04:01:32,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 137 states have (on average 1.3795620437956204) internal successors, (189), 141 states have internal predecessors, (189), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-14 04:01:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2024-11-14 04:01:32,233 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 69 [2024-11-14 04:01:32,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:01:32,234 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2024-11-14 04:01:32,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 04:01:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2024-11-14 04:01:32,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-14 04:01:32,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:01:32,240 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-14 04:01:32,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:01:32,241 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:01:32,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:01:32,242 INFO L85 PathProgramCache]: Analyzing trace with hash -2035892739, now seen corresponding path program 1 times [2024-11-14 04:01:32,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:01:32,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367030768] [2024-11-14 04:01:32,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:01:32,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:01:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:01:32,652 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:01:32,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:01:32,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367030768] [2024-11-14 04:01:32,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367030768] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:01:32,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405388331] [2024-11-14 04:01:32,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:01:32,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:01:32,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:01:32,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:01:32,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:01:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:01:33,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:01:33,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:01:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:01:33,283 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:01:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:01:33,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405388331] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:01:33,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [925665799] [2024-11-14 04:01:33,468 INFO L159 IcfgInterpreter]: Started Sifa with 59 locations of interest [2024-11-14 04:01:33,468 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:01:33,472 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:01:33,477 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:01:33,478 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:02:05,034 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2024-11-14 04:02:05,279 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-14 04:02:05,566 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:03:06,208 WARN L286 SmtUtils]: Spent 11.01s on a formula simplification. DAG size of input: 445 DAG size of output: 445 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:03:17,995 WARN L286 SmtUtils]: Spent 10.81s on a formula simplification. DAG size of input: 446 DAG size of output: 445 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:03:25,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [925665799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:03:25,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:03:25,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 4, 4] total 29 [2024-11-14 04:03:25,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215920213] [2024-11-14 04:03:25,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:03:25,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-14 04:03:25,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:03:25,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-14 04:03:25,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2024-11-14 04:03:25,479 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-14 04:03:47,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:03:47,984 INFO L93 Difference]: Finished difference Result 471 states and 686 transitions. [2024-11-14 04:03:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-14 04:03:47,985 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 70 [2024-11-14 04:03:47,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:03:47,988 INFO L225 Difference]: With dead ends: 471 [2024-11-14 04:03:47,988 INFO L226 Difference]: Without dead ends: 261 [2024-11-14 04:03:47,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 92.3s TimeCoverageRelationStatistics Valid=104, Invalid=888, Unknown=0, NotChecked=0, Total=992 [2024-11-14 04:03:47,991 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 55 mSDsluCounter, 2284 mSDsCounter, 0 mSdLazyCounter, 1945 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 2470 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:03:47,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 2470 Invalid, 1956 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 1945 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-14 04:03:47,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-14 04:03:48,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 251. [2024-11-14 04:03:48,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 159 states have (on average 1.3962264150943395) internal successors, (222), 163 states have internal predecessors, (222), 68 states have call successors, (68), 23 states have call predecessors, (68), 23 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-14 04:03:48,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 357 transitions. [2024-11-14 04:03:48,101 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 357 transitions. Word has length 70 [2024-11-14 04:03:48,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:03:48,104 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 357 transitions. [2024-11-14 04:03:48,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-14 04:03:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 357 transitions. [2024-11-14 04:03:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-14 04:03:48,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:03:48,108 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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] [2024-11-14 04:03:48,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:03:48,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:03:48,313 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:03:48,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:03:48,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1641073129, now seen corresponding path program 1 times [2024-11-14 04:03:48,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:03:48,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643369323] [2024-11-14 04:03:48,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:48,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:03:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:48,488 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:03:48,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:03:48,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643369323] [2024-11-14 04:03:48,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643369323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:03:48,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:03:48,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:03:48,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074452793] [2024-11-14 04:03:48,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:03:48,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:03:48,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:03:48,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:03:48,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:03:48,491 INFO L87 Difference]: Start difference. First operand 251 states and 357 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-14 04:03:48,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:03:48,752 INFO L93 Difference]: Finished difference Result 605 states and 894 transitions. [2024-11-14 04:03:48,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:03:48,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 75 [2024-11-14 04:03:48,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:03:48,761 INFO L225 Difference]: With dead ends: 605 [2024-11-14 04:03:48,763 INFO L226 Difference]: Without dead ends: 378 [2024-11-14 04:03:48,765 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 04:03:48,766 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 57 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:03:48,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 417 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:03:48,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-14 04:03:48,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 373. [2024-11-14 04:03:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 250 states have (on average 1.448) internal successors, (362), 254 states have internal predecessors, (362), 99 states have call successors, (99), 23 states have call predecessors, (99), 23 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-14 04:03:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 559 transitions. [2024-11-14 04:03:48,926 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 559 transitions. Word has length 75 [2024-11-14 04:03:48,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:03:48,926 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 559 transitions. [2024-11-14 04:03:48,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-14 04:03:48,927 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 559 transitions. [2024-11-14 04:03:48,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-14 04:03:48,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:03:48,929 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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] [2024-11-14 04:03:48,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:03:48,930 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:03:48,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:03:48,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1364837522, now seen corresponding path program 1 times [2024-11-14 04:03:48,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:03:48,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78348940] [2024-11-14 04:03:48,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:48,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:03:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:03:49,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:03:49,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78348940] [2024-11-14 04:03:49,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78348940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:03:49,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621743785] [2024-11-14 04:03:49,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:49,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:03:49,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:03:49,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:03:49,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:03:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:49,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:03:49,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:03:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:03:49,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:03:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:03:49,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621743785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:03:49,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [526625121] [2024-11-14 04:03:49,753 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2024-11-14 04:03:49,753 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:03:49,754 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:03:49,754 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:03:49,754 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:04:27,170 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2024-11-14 04:04:27,363 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 429 for LOIs [2024-11-14 04:04:28,577 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:04:53,516 WARN L286 SmtUtils]: Spent 7.81s on a formula simplification. DAG size of input: 429 DAG size of output: 429 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:05:04,297 WARN L286 SmtUtils]: Spent 10.23s on a formula simplification. DAG size of input: 453 DAG size of output: 449 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:05:42,701 WARN L286 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 446 DAG size of output: 446 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:05:53,348 WARN L286 SmtUtils]: Spent 9.68s on a formula simplification. DAG size of input: 447 DAG size of output: 446 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:06:13,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [526625121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:06:13,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:06:13,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-14 04:06:13,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648017295] [2024-11-14 04:06:13,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:06:13,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-14 04:06:13,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:06:13,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-14 04:06:13,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=887, Unknown=0, NotChecked=0, Total=992 [2024-11-14 04:06:13,161 INFO L87 Difference]: Start difference. First operand 373 states and 559 transitions. Second operand has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-14 04:06:33,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:06:33,780 INFO L93 Difference]: Finished difference Result 758 states and 1163 transitions. [2024-11-14 04:06:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-14 04:06:33,781 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 76 [2024-11-14 04:06:33,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:06:33,784 INFO L225 Difference]: With dead ends: 758 [2024-11-14 04:06:33,784 INFO L226 Difference]: Without dead ends: 448 [2024-11-14 04:06:33,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 112.9s TimeCoverageRelationStatistics Valid=119, Invalid=1003, Unknown=0, NotChecked=0, Total=1122 [2024-11-14 04:06:33,787 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 89 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 2852 SdHoareTripleChecker+Invalid, 2384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:06:33,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 2852 Invalid, 2384 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2024-11-14 04:06:33,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-14 04:06:33,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 387. [2024-11-14 04:06:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 262 states have (on average 1.4465648854961832) internal successors, (379), 266 states have internal predecessors, (379), 100 states have call successors, (100), 24 states have call predecessors, (100), 24 states have return successors, (99), 98 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-14 04:06:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 578 transitions. [2024-11-14 04:06:33,901 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 578 transitions. Word has length 76 [2024-11-14 04:06:33,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:06:33,902 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 578 transitions. [2024-11-14 04:06:33,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-14 04:06:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 578 transitions. [2024-11-14 04:06:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-14 04:06:33,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:06:33,909 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-14 04:06:33,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 04:06:34,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:06:34,113 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:06:34,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:06:34,113 INFO L85 PathProgramCache]: Analyzing trace with hash -569523773, now seen corresponding path program 1 times [2024-11-14 04:06:34,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:06:34,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534608977] [2024-11-14 04:06:34,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:06:34,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:06:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:06:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:06:34,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:06:34,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534608977] [2024-11-14 04:06:34,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534608977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:06:34,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48989548] [2024-11-14 04:06:34,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:06:34,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:06:34,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:06:34,353 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:06:34,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 04:06:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:06:34,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:06:34,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:06:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:06:34,765 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:06:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:06:34,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48989548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:06:34,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1261303734] [2024-11-14 04:06:34,855 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-14 04:06:34,856 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:06:34,856 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:06:34,856 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:06:34,856 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:07:24,274 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2024-11-14 04:07:24,459 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 475 for LOIs [2024-11-14 04:07:25,321 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 530 for LOIs [2024-11-14 04:07:27,557 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 420 for LOIs [2024-11-14 04:07:27,953 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-14 04:07:28,122 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:08:35,725 WARN L286 SmtUtils]: Spent 13.63s on a formula simplification. DAG size of input: 504 DAG size of output: 499 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:08:50,700 WARN L286 SmtUtils]: Spent 13.92s on a formula simplification. DAG size of input: 505 DAG size of output: 499 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:09:12,954 WARN L286 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 485 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:09:22,219 WARN L286 SmtUtils]: Spent 8.60s on a formula simplification. DAG size of input: 536 DAG size of output: 528 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:09:31,243 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 530 DAG size of output: 522 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:09:40,246 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification. DAG size of input: 530 DAG size of output: 522 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:10:01,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1261303734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:10:01,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:10:01,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-14 04:10:01,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75629688] [2024-11-14 04:10:01,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:10:01,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 04:10:01,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:10:01,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 04:10:01,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 04:10:01,499 INFO L87 Difference]: Start difference. First operand 387 states and 578 transitions. Second operand has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-14 04:10:27,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:10:27,778 INFO L93 Difference]: Finished difference Result 781 states and 1196 transitions. [2024-11-14 04:10:27,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 04:10:27,779 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) Word has length 79 [2024-11-14 04:10:27,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:10:27,783 INFO L225 Difference]: With dead ends: 781 [2024-11-14 04:10:27,783 INFO L226 Difference]: Without dead ends: 471 [2024-11-14 04:10:27,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 157.1s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2024-11-14 04:10:27,785 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 104 mSDsluCounter, 2981 mSDsCounter, 0 mSdLazyCounter, 3458 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 3165 SdHoareTripleChecker+Invalid, 3468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:10:27,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 3165 Invalid, 3468 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3458 Invalid, 0 Unknown, 0 Unchecked, 22.2s Time] [2024-11-14 04:10:27,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-14 04:10:27,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 423. [2024-11-14 04:10:27,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 292 states have (on average 1.4417808219178083) internal successors, (421), 296 states have internal predecessors, (421), 103 states have call successors, (103), 27 states have call predecessors, (103), 27 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-14 04:10:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 626 transitions. [2024-11-14 04:10:27,977 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 626 transitions. Word has length 79 [2024-11-14 04:10:27,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:10:27,977 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 626 transitions. [2024-11-14 04:10:27,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-14 04:10:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 626 transitions. [2024-11-14 04:10:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-14 04:10:27,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:10:27,981 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-14 04:10:28,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 04:10:28,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:10:28,181 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:10:28,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:10:28,182 INFO L85 PathProgramCache]: Analyzing trace with hash -917910599, now seen corresponding path program 1 times [2024-11-14 04:10:28,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:10:28,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321053671] [2024-11-14 04:10:28,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:10:28,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:10:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:10:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:10:28,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:10:28,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321053671] [2024-11-14 04:10:28,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321053671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:10:28,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682041621] [2024-11-14 04:10:28,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:10:28,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:10:28,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:10:28,351 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:10:28,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:10:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:10:28,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:10:28,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:10:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:10:28,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:10:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 04:10:28,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682041621] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:10:28,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2042498823] [2024-11-14 04:10:28,968 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-14 04:10:28,968 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:10:28,969 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:10:28,970 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:10:28,970 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:11:09,338 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2024-11-14 04:11:09,466 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-14 04:11:09,634 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:12:14,812 WARN L286 SmtUtils]: Spent 11.69s on a formula simplification. DAG size of input: 444 DAG size of output: 444 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:12:27,833 WARN L286 SmtUtils]: Spent 11.89s on a formula simplification. DAG size of input: 445 DAG size of output: 444 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:12:57,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2042498823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:12:57,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:12:57,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2024-11-14 04:12:57,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041668276] [2024-11-14 04:12:57,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:12:57,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-14 04:12:57,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:12:57,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-14 04:12:57,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2024-11-14 04:12:57,520 INFO L87 Difference]: Start difference. First operand 423 states and 626 transitions. Second operand has 28 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-14 04:13:21,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:21,984 INFO L93 Difference]: Finished difference Result 782 states and 1185 transitions. [2024-11-14 04:13:21,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-14 04:13:21,985 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 78 [2024-11-14 04:13:21,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:21,990 INFO L225 Difference]: With dead ends: 782 [2024-11-14 04:13:21,990 INFO L226 Difference]: Without dead ends: 472 [2024-11-14 04:13:21,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 201 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 120.9s TimeCoverageRelationStatistics Valid=128, Invalid=1132, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 04:13:21,993 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 21 mSDsluCounter, 2370 mSDsCounter, 0 mSdLazyCounter, 2214 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2549 SdHoareTripleChecker+Invalid, 2224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:21,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 2549 Invalid, 2224 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2214 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2024-11-14 04:13:21,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-14 04:13:22,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 443. [2024-11-14 04:13:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 312 states have (on average 1.4455128205128205) internal successors, (451), 316 states have internal predecessors, (451), 103 states have call successors, (103), 27 states have call predecessors, (103), 27 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-14 04:13:22,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 656 transitions. [2024-11-14 04:13:22,191 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 656 transitions. Word has length 78 [2024-11-14 04:13:22,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:22,192 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 656 transitions. [2024-11-14 04:13:22,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-14 04:13:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 656 transitions. [2024-11-14 04:13:22,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-14 04:13:22,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:22,195 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:13:22,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:13:22,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:13:22,396 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:13:22,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:22,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1214856117, now seen corresponding path program 1 times [2024-11-14 04:13:22,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:13:22,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169575226] [2024-11-14 04:13:22,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:22,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:13:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:22,597 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:13:22,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:13:22,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169575226] [2024-11-14 04:13:22,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169575226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:13:22,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656671984] [2024-11-14 04:13:22,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:22,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:13:22,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:13:22,600 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:13:22,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79cff322-6aeb-439f-bf80-79721b29019f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 04:13:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:23,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:13:23,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:13:23,082 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:13:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:13:23,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656671984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:13:23,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [251679884] [2024-11-14 04:13:23,203 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2024-11-14 04:13:23,203 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:13:23,203 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:13:23,204 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:13:23,204 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:14:19,460 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2024-11-14 04:14:19,599 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 431 for LOIs [2024-11-14 04:14:20,880 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:14:48,319 WARN L286 SmtUtils]: Spent 8.69s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:15:01,465 WARN L286 SmtUtils]: Spent 12.61s on a formula simplification. DAG size of input: 455 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)