./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product26.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_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/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_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/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_0f4b4867-6435-428c-bffb-9c5c90d32e83/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 82ac70e4cab6ba17956a8bc3031bcd401426df4beecacca096cae721fbfd8afd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:48:32,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:48:32,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:48:32,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:48:32,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:48:32,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:48:32,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:48:32,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:48:32,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:48:32,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:48:32,698 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:48:32,698 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:48:32,698 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:48:32,699 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:48:32,699 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:48:32,699 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:48:32,699 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:48:32,699 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:48:32,699 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:48:32,700 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:48:32,700 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:48:32,700 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:48:32,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:48:32,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:48:32,701 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:48:32,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:48:32,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:48:32,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:48:32,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:48:32,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:48:32,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:48:32,701 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:48:32,701 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:48:32,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:48:32,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:48:32,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:48:32,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:48:32,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:48:32,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:48:32,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:48:32,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:48:32,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:48:32,703 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:48:32,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:48:32,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:48:32,703 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:48:32,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:48:32,704 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_0f4b4867-6435-428c-bffb-9c5c90d32e83/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 -> 82ac70e4cab6ba17956a8bc3031bcd401426df4beecacca096cae721fbfd8afd [2024-11-14 05:48:33,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:48:33,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:48:33,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:48:33,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:48:33,057 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:48:33,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/email_spec9_product26.cil.c Unable to find full path for "g++" [2024-11-14 05:48:35,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:48:35,605 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:48:35,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/sv-benchmarks/c/product-lines/email_spec9_product26.cil.c [2024-11-14 05:48:35,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/data/0e303a0a8/ff1d85c7c836478abd9b0d8a7537b542/FLAG24691cd84 [2024-11-14 05:48:35,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/data/0e303a0a8/ff1d85c7c836478abd9b0d8a7537b542 [2024-11-14 05:48:35,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:48:35,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:48:35,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:48:35,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:48:35,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:48:35,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:48:35" (1/1) ... [2024-11-14 05:48:35,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238a1e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:35, skipping insertion in model container [2024-11-14 05:48:35,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:48:35" (1/1) ... [2024-11-14 05:48:35,729 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:48:36,252 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_0f4b4867-6435-428c-bffb-9c5c90d32e83/sv-benchmarks/c/product-lines/email_spec9_product26.cil.c[24949,24962] [2024-11-14 05:48:36,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:48:36,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:48:36,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-14 05:48:36,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [414] [2024-11-14 05:48:36,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [758] [2024-11-14 05:48:36,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [980] [2024-11-14 05:48:36,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1092] [2024-11-14 05:48:36,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1101] [2024-11-14 05:48:36,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1136] [2024-11-14 05:48:36,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [1489] [2024-11-14 05:48:36,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1531] [2024-11-14 05:48:36,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1548] [2024-11-14 05:48:36,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1951] [2024-11-14 05:48:36,634 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_0f4b4867-6435-428c-bffb-9c5c90d32e83/sv-benchmarks/c/product-lines/email_spec9_product26.cil.c[24949,24962] [2024-11-14 05:48:36,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:48:36,773 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:48:36,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36 WrapperNode [2024-11-14 05:48:36,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:48:36,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:48:36,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:48:36,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:48:36,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (1/1) ... [2024-11-14 05:48:36,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (1/1) ... [2024-11-14 05:48:36,877 INFO L138 Inliner]: procedures = 132, calls = 208, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1111 [2024-11-14 05:48:36,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:48:36,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:48:36,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:48:36,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:48:36,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (1/1) ... [2024-11-14 05:48:36,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (1/1) ... [2024-11-14 05:48:36,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (1/1) ... [2024-11-14 05:48:36,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (1/1) ... [2024-11-14 05:48:36,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (1/1) ... [2024-11-14 05:48:36,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (1/1) ... [2024-11-14 05:48:36,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (1/1) ... [2024-11-14 05:48:36,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (1/1) ... [2024-11-14 05:48:36,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:48:36,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:48:36,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:48:36,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:48:36,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (1/1) ... [2024-11-14 05:48:37,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:48:37,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:48:37,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:48:37,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:48:37,092 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-14 05:48:37,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-14 05:48:37,093 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-14 05:48:37,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-14 05:48:37,093 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-14 05:48:37,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-14 05:48:37,094 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-14 05:48:37,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-14 05:48:37,094 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-14 05:48:37,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-14 05:48:37,095 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-14 05:48:37,095 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-14 05:48:37,095 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-14 05:48:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-14 05:48:37,096 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-14 05:48:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-14 05:48:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-14 05:48:37,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-14 05:48:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-14 05:48:37,097 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-14 05:48:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-14 05:48:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-14 05:48:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-14 05:48:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-14 05:48:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-14 05:48:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-14 05:48:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:48:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-14 05:48:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-14 05:48:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-14 05:48:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-14 05:48:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-14 05:48:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-14 05:48:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-14 05:48:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-14 05:48:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-14 05:48:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-14 05:48:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-14 05:48:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-14 05:48:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-14 05:48:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-14 05:48:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-14 05:48:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-14 05:48:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:48:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-14 05:48:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-14 05:48:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-14 05:48:37,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-14 05:48:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:48:37,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:48:37,467 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:48:37,471 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:48:39,142 INFO L? ?]: Removed 546 outVars from TransFormulas that were not future-live. [2024-11-14 05:48:39,142 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:48:40,121 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:48:40,121 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:48:40,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:48:40 BoogieIcfgContainer [2024-11-14 05:48:40,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:48:40,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:48:40,125 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:48:40,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:48:40,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:48:35" (1/3) ... [2024-11-14 05:48:40,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adb6d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:48:40, skipping insertion in model container [2024-11-14 05:48:40,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:36" (2/3) ... [2024-11-14 05:48:40,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adb6d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:48:40, skipping insertion in model container [2024-11-14 05:48:40,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:48:40" (3/3) ... [2024-11-14 05:48:40,133 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product26.cil.c [2024-11-14 05:48:40,152 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:48:40,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec9_product26.cil.c that has 24 procedures, 200 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:48:40,256 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:48:40,275 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;@417eff4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:48:40,275 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:48:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 113 states have (on average 1.3185840707964602) internal successors, (149), 118 states have internal predecessors, (149), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-14 05:48:40,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-14 05:48:40,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:48:40,302 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 05:48:40,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:48:40,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:48:40,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1160595973, now seen corresponding path program 1 times [2024-11-14 05:48:40,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:48:40,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516132542] [2024-11-14 05:48:40,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:48:40,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:48:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:48:40,845 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 05:48:40,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:48:40,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516132542] [2024-11-14 05:48:40,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516132542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:48:40,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:48:40,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:48:40,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714777597] [2024-11-14 05:48:40,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:48:40,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:48:40,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:48:40,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:48:40,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:48:40,896 INFO L87 Difference]: Start difference. First operand has 200 states, 113 states have (on average 1.3185840707964602) internal successors, (149), 118 states have internal predecessors, (149), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) 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 05:48:41,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:48:41,117 INFO L93 Difference]: Finished difference Result 308 states and 417 transitions. [2024-11-14 05:48:41,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:48:41,120 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 05:48:41,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:48:41,132 INFO L225 Difference]: With dead ends: 308 [2024-11-14 05:48:41,132 INFO L226 Difference]: Without dead ends: 197 [2024-11-14 05:48:41,138 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 05:48:41,143 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:48:41,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 230 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:48:41,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-14 05:48:41,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-14 05:48:41,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 111 states have (on average 1.2882882882882882) internal successors, (143), 115 states have internal predecessors, (143), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-14 05:48:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 266 transitions. [2024-11-14 05:48:41,223 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 266 transitions. Word has length 63 [2024-11-14 05:48:41,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:48:41,225 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 266 transitions. [2024-11-14 05:48:41,225 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 05:48:41,225 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 266 transitions. [2024-11-14 05:48:41,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 05:48:41,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:48:41,229 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 05:48:41,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:48:41,230 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:48:41,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:48:41,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1647810778, now seen corresponding path program 1 times [2024-11-14 05:48:41,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:48:41,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326969277] [2024-11-14 05:48:41,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:48:41,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:48:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:48:41,699 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 05:48:41,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:48:41,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326969277] [2024-11-14 05:48:41,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326969277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:48:41,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:48:41,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:48:41,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279625453] [2024-11-14 05:48:41,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:48:41,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:48:41,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:48:41,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:48:41,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:48:41,708 INFO L87 Difference]: Start difference. First operand 197 states and 266 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 05:48:41,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:48:41,959 INFO L93 Difference]: Finished difference Result 304 states and 402 transitions. [2024-11-14 05:48:41,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:48:41,962 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 05:48:41,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:48:41,968 INFO L225 Difference]: With dead ends: 304 [2024-11-14 05:48:41,969 INFO L226 Difference]: Without dead ends: 199 [2024-11-14 05:48:41,970 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 05:48:41,975 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 0 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:48:41,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 453 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:48:41,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-14 05:48:41,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-14 05:48:41,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 113 states have (on average 1.2831858407079646) internal successors, (145), 117 states have internal predecessors, (145), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-14 05:48:41,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 268 transitions. [2024-11-14 05:48:41,999 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 268 transitions. Word has length 64 [2024-11-14 05:48:42,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:48:42,000 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 268 transitions. [2024-11-14 05:48:42,000 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 05:48:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 268 transitions. [2024-11-14 05:48:42,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-14 05:48:42,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:48:42,004 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 05:48:42,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:48:42,004 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:48:42,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:48:42,005 INFO L85 PathProgramCache]: Analyzing trace with hash -887261709, now seen corresponding path program 1 times [2024-11-14 05:48:42,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:48:42,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282937298] [2024-11-14 05:48:42,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:48:42,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:48:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:48:42,308 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 05:48:42,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:48:42,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282937298] [2024-11-14 05:48:42,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282937298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:48:42,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:48:42,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:48:42,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089617016] [2024-11-14 05:48:42,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:48:42,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:48:42,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:48:42,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:48:42,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:48:42,314 INFO L87 Difference]: Start difference. First operand 199 states and 268 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 05:48:42,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:48:42,562 INFO L93 Difference]: Finished difference Result 433 states and 603 transitions. [2024-11-14 05:48:42,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:48:42,565 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 05:48:42,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:48:42,572 INFO L225 Difference]: With dead ends: 433 [2024-11-14 05:48:42,573 INFO L226 Difference]: Without dead ends: 252 [2024-11-14 05:48:42,574 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 05:48:42,575 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 59 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:48:42,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 469 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:48:42,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-14 05:48:42,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 247. [2024-11-14 05:48:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 147 states have (on average 1.3605442176870748) internal successors, (200), 151 states have internal predecessors, (200), 76 states have call successors, (76), 23 states have call predecessors, (76), 23 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-14 05:48:42,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 351 transitions. [2024-11-14 05:48:42,638 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 351 transitions. Word has length 69 [2024-11-14 05:48:42,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:48:42,639 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 351 transitions. [2024-11-14 05:48:42,639 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 05:48:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2024-11-14 05:48:42,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-14 05:48:42,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:48:42,643 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 05:48:42,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:48:42,644 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:48:42,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:48:42,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1312927033, now seen corresponding path program 1 times [2024-11-14 05:48:42,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:48:42,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114635683] [2024-11-14 05:48:42,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:48:42,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:48:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:48:43,069 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 05:48:43,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:48:43,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114635683] [2024-11-14 05:48:43,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114635683] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:48:43,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416667552] [2024-11-14 05:48:43,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:48:43,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:48:43,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:48:43,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:48:43,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:48:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:48:43,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:48:43,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:48:43,808 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 05:48:43,808 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:48:43,972 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 05:48:43,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416667552] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:48:43,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1659734338] [2024-11-14 05:48:44,009 INFO L159 IcfgInterpreter]: Started Sifa with 59 locations of interest [2024-11-14 05:48:44,009 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:48:44,013 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:48:44,020 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:48:44,020 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:49:14,910 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2024-11-14 05:49:15,078 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-14 05:49:15,205 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:50:28,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1659734338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:50:28,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:50:28,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-14 05:50:28,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691414823] [2024-11-14 05:50:28,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:50:28,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 05:50:28,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:50:28,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 05:50:28,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-14 05:50:28,608 INFO L87 Difference]: Start difference. First operand 247 states and 351 transitions. Second operand has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 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 05:50:37,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:50:37,158 INFO L93 Difference]: Finished difference Result 509 states and 740 transitions. [2024-11-14 05:50:37,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 05:50:37,159 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 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 05:50:37,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:50:37,162 INFO L225 Difference]: With dead ends: 509 [2024-11-14 05:50:37,163 INFO L226 Difference]: Without dead ends: 280 [2024-11-14 05:50:37,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 73.4s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-14 05:50:37,165 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 26 mSDsluCounter, 2843 mSDsCounter, 0 mSdLazyCounter, 1801 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3051 SdHoareTripleChecker+Invalid, 1810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:50:37,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3051 Invalid, 1810 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1801 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-11-14 05:50:37,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-14 05:50:37,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 270. [2024-11-14 05:50:37,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 169 states have (on average 1.378698224852071) internal successors, (233), 173 states have internal predecessors, (233), 76 states have call successors, (76), 24 states have call predecessors, (76), 24 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-14 05:50:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 384 transitions. [2024-11-14 05:50:37,255 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 384 transitions. Word has length 70 [2024-11-14 05:50:37,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:50:37,255 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 384 transitions. [2024-11-14 05:50:37,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 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 05:50:37,256 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 384 transitions. [2024-11-14 05:50:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-14 05:50:37,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:37,260 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 05:50:37,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:50:37,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:50:37,464 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:37,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:37,465 INFO L85 PathProgramCache]: Analyzing trace with hash 737658305, now seen corresponding path program 1 times [2024-11-14 05:50:37,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:50:37,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841261343] [2024-11-14 05:50:37,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:37,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:50:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:37,657 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 05:50:37,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:50:37,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841261343] [2024-11-14 05:50:37,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841261343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:50:37,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:50:37,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:50:37,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061195552] [2024-11-14 05:50:37,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:50:37,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:50:37,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:50:37,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:50:37,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:50:37,660 INFO L87 Difference]: Start difference. First operand 270 states and 384 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 05:50:37,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:50:37,928 INFO L93 Difference]: Finished difference Result 643 states and 948 transitions. [2024-11-14 05:50:37,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:50:37,929 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 05:50:37,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:50:37,933 INFO L225 Difference]: With dead ends: 643 [2024-11-14 05:50:37,933 INFO L226 Difference]: Without dead ends: 397 [2024-11-14 05:50:37,934 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 05:50:37,935 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 57 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:50:37,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 465 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:50:37,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-14 05:50:38,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 392. [2024-11-14 05:50:38,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 260 states have (on average 1.4346153846153846) internal successors, (373), 264 states have internal predecessors, (373), 107 states have call successors, (107), 24 states have call predecessors, (107), 24 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-14 05:50:38,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 586 transitions. [2024-11-14 05:50:38,031 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 586 transitions. Word has length 75 [2024-11-14 05:50:38,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:50:38,031 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 586 transitions. [2024-11-14 05:50:38,032 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 05:50:38,032 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 586 transitions. [2024-11-14 05:50:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-14 05:50:38,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:38,036 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 05:50:38,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:50:38,036 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:38,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:38,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1953393384, now seen corresponding path program 1 times [2024-11-14 05:50:38,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:50:38,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808499988] [2024-11-14 05:50:38,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:38,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:50:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:38,233 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 05:50:38,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:50:38,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808499988] [2024-11-14 05:50:38,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808499988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:50:38,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788400858] [2024-11-14 05:50:38,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:38,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:50:38,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:50:38,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:50:38,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 05:50:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:38,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:50:38,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:50:38,723 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 05:50:38,723 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:50:38,830 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 05:50:38,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788400858] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:50:38,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1522443798] [2024-11-14 05:50:38,835 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2024-11-14 05:50:38,835 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:50:38,836 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:50:38,836 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:50:38,836 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:51:20,864 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2024-11-14 05:51:20,990 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 437 for LOIs [2024-11-14 05:51:22,183 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:51:49,073 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:52:01,677 WARN L286 SmtUtils]: Spent 12.18s on a formula simplification. DAG size of input: 461 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:52:49,660 WARN L286 SmtUtils]: Spent 11.95s on a formula simplification. DAG size of input: 454 DAG size of output: 454 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:53:02,796 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification. DAG size of input: 455 DAG size of output: 454 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:53:16,037 WARN L286 SmtUtils]: Spent 12.07s on a formula simplification. DAG size of input: 459 DAG size of output: 458 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:53:31,187 WARN L286 SmtUtils]: Spent 12.44s on a formula simplification. DAG size of input: 459 DAG size of output: 458 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:53:46,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1522443798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:53:46,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:53:46,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-14 05:53:46,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664136891] [2024-11-14 05:53:46,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:53:46,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-14 05:53:46,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:53:46,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-14 05:53:46,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-14 05:53:46,801 INFO L87 Difference]: Start difference. First operand 392 states and 586 transitions. Second operand has 26 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 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 05:54:02,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:54:02,379 INFO L93 Difference]: Finished difference Result 794 states and 1215 transitions. [2024-11-14 05:54:02,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-14 05:54:02,380 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 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 05:54:02,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:54:02,384 INFO L225 Difference]: With dead ends: 794 [2024-11-14 05:54:02,385 INFO L226 Difference]: Without dead ends: 465 [2024-11-14 05:54:02,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 199 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 144.6s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-14 05:54:02,391 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 43 mSDsluCounter, 3262 mSDsCounter, 0 mSdLazyCounter, 2565 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3471 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:54:02,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3471 Invalid, 2573 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2565 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2024-11-14 05:54:02,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-14 05:54:02,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 406. [2024-11-14 05:54:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 272 states have (on average 1.4338235294117647) internal successors, (390), 276 states have internal predecessors, (390), 108 states have call successors, (108), 25 states have call predecessors, (108), 25 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-14 05:54:02,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 605 transitions. [2024-11-14 05:54:02,522 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 605 transitions. Word has length 76 [2024-11-14 05:54:02,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:54:02,523 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 605 transitions. [2024-11-14 05:54:02,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 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 05:54:02,523 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 605 transitions. [2024-11-14 05:54:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-14 05:54:02,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:54:02,527 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 05:54:02,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 05:54:02,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:54:02,731 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:54:02,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:54:02,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1896829370, now seen corresponding path program 1 times [2024-11-14 05:54:02,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:54:02,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073064177] [2024-11-14 05:54:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:54:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:54:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:54:02,993 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 05:54:02,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:54:02,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073064177] [2024-11-14 05:54:02,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073064177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:54:02,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957585625] [2024-11-14 05:54:02,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:54:02,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:54:02,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:54:02,997 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:54:03,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 05:54:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:54:03,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:54:03,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:54:03,554 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 05:54:03,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:54:03,665 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 05:54:03,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957585625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:54:03,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [585821067] [2024-11-14 05:54:03,669 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-14 05:54:03,669 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:54:03,669 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:54:03,670 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:54:03,670 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:55:12,502 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2024-11-14 05:55:12,614 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 483 for LOIs [2024-11-14 05:55:13,424 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 492 for LOIs [2024-11-14 05:55:14,337 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 428 for LOIs [2024-11-14 05:55:14,598 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-14 05:55:14,705 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:56:13,898 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 513 DAG size of output: 505 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:56:19,829 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 514 DAG size of output: 505 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:56:59,073 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 492 DAG size of output: 488 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:57:04,834 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 488 DAG size of output: 484 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:57:16,028 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 483 DAG size of output: 479 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:57:21,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [585821067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:57:21,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:57:21,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-14 05:57:21,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279286083] [2024-11-14 05:57:21,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:57:21,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 05:57:21,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:57:21,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 05:57:21,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 05:57:21,618 INFO L87 Difference]: Start difference. First operand 406 states and 605 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 05:57:45,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:57:45,949 INFO L93 Difference]: Finished difference Result 819 states and 1250 transitions. [2024-11-14 05:57:45,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 05:57:45,950 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 05:57:45,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:57:45,954 INFO L225 Difference]: With dead ends: 819 [2024-11-14 05:57:45,955 INFO L226 Difference]: Without dead ends: 490 [2024-11-14 05:57:45,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 126.9s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 05:57:45,958 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 52 mSDsluCounter, 4273 mSDsCounter, 0 mSdLazyCounter, 3919 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 4479 SdHoareTripleChecker+Invalid, 3928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:57:45,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 4479 Invalid, 3928 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3919 Invalid, 0 Unknown, 0 Unchecked, 23.9s Time] [2024-11-14 05:57:45,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-14 05:57:46,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 442. [2024-11-14 05:57:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 302 states have (on average 1.4304635761589404) internal successors, (432), 306 states have internal predecessors, (432), 111 states have call successors, (111), 28 states have call predecessors, (111), 28 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-14 05:57:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 653 transitions. [2024-11-14 05:57:46,143 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 653 transitions. Word has length 79 [2024-11-14 05:57:46,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:57:46,144 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 653 transitions. [2024-11-14 05:57:46,144 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 05:57:46,144 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 653 transitions. [2024-11-14 05:57:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-14 05:57:46,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:57:46,147 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 05:57:46,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 05:57:46,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-14 05:57:46,348 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:57:46,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:57:46,349 INFO L85 PathProgramCache]: Analyzing trace with hash 871171730, now seen corresponding path program 1 times [2024-11-14 05:57:46,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:57:46,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060101513] [2024-11-14 05:57:46,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:57:46,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:57:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:57:46,507 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 05:57:46,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:57:46,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060101513] [2024-11-14 05:57:46,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060101513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:57:46,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047937615] [2024-11-14 05:57:46,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:57:46,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:57:46,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:57:46,512 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:57:46,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 05:57:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:57:46,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:57:46,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:57:47,021 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 05:57:47,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:57:47,140 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 05:57:47,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047937615] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:57:47,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1699967800] [2024-11-14 05:57:47,146 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-14 05:57:47,146 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:57:47,146 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:57:47,147 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:57:47,147 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:58:31,270 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2024-11-14 05:58:31,395 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-14 05:58:31,521 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:59:40,983 WARN L286 SmtUtils]: Spent 12.38s on a formula simplification. DAG size of input: 453 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:59:53,247 WARN L286 SmtUtils]: Spent 11.15s on a formula simplification. DAG size of input: 454 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 06:00:06,078 WARN L286 SmtUtils]: Spent 11.64s on a formula simplification. DAG size of input: 458 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 06:00:19,504 WARN L286 SmtUtils]: Spent 11.00s on a formula simplification. DAG size of input: 458 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 06:00:40,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1699967800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:00:40,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:00:40,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-14 06:00:40,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792158990] [2024-11-14 06:00:40,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:00:40,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-14 06:00:40,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 06:00:40,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-14 06:00:40,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-14 06:00:40,197 INFO L87 Difference]: Start difference. First operand 442 states and 653 transitions. Second operand has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 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 06:00:51,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 06:00:51,290 INFO L93 Difference]: Finished difference Result 820 states and 1239 transitions. [2024-11-14 06:00:51,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-14 06:00:51,292 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 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 06:00:51,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 06:00:51,296 INFO L225 Difference]: With dead ends: 820 [2024-11-14 06:00:51,296 INFO L226 Difference]: Without dead ends: 491 [2024-11-14 06:00:51,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 201 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 128.7s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-14 06:00:51,299 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 18 mSDsluCounter, 3088 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3291 SdHoareTripleChecker+Invalid, 2232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-14 06:00:51,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3291 Invalid, 2232 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2024-11-14 06:00:51,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-14 06:00:51,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 462. [2024-11-14 06:00:51,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 322 states have (on average 1.434782608695652) internal successors, (462), 326 states have internal predecessors, (462), 111 states have call successors, (111), 28 states have call predecessors, (111), 28 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-14 06:00:51,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 683 transitions. [2024-11-14 06:00:51,502 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 683 transitions. Word has length 78 [2024-11-14 06:00:51,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 06:00:51,502 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 683 transitions. [2024-11-14 06:00:51,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 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 06:00:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 683 transitions. [2024-11-14 06:00:51,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-14 06:00:51,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 06:00:51,505 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 06:00:51,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 06:00:51,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-14 06:00:51,706 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:00:51,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:00:51,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1935047244, now seen corresponding path program 1 times [2024-11-14 06:00:51,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 06:00:51,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459064835] [2024-11-14 06:00:51,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:00:51,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:00:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:00:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-14 06:00:51,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 06:00:51,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459064835] [2024-11-14 06:00:51,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459064835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:00:51,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:00:51,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 06:00:51,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309645923] [2024-11-14 06:00:51,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:00:51,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 06:00:51,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 06:00:51,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 06:00:51,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 06:00:51,974 INFO L87 Difference]: Start difference. First operand 462 states and 683 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 06:00:52,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 06:00:52,339 INFO L93 Difference]: Finished difference Result 602 states and 858 transitions. [2024-11-14 06:00:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:00:52,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 81 [2024-11-14 06:00:52,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 06:00:52,343 INFO L225 Difference]: With dead ends: 602 [2024-11-14 06:00:52,344 INFO L226 Difference]: Without dead ends: 504 [2024-11-14 06:00:52,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 06:00:52,345 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 142 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 06:00:52,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 324 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 06:00:52,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-14 06:00:52,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 503. [2024-11-14 06:00:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 343 states have (on average 1.41399416909621) internal successors, (485), 349 states have internal predecessors, (485), 123 states have call successors, (123), 38 states have call predecessors, (123), 36 states have return successors, (121), 118 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-14 06:00:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 729 transitions. [2024-11-14 06:00:52,504 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 729 transitions. Word has length 81 [2024-11-14 06:00:52,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 06:00:52,505 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 729 transitions. [2024-11-14 06:00:52,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 06:00:52,505 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 729 transitions. [2024-11-14 06:00:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-14 06:00:52,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 06:00:52,509 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 06:00:52,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 06:00:52,509 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:00:52,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:00:52,509 INFO L85 PathProgramCache]: Analyzing trace with hash -249250156, now seen corresponding path program 1 times [2024-11-14 06:00:52,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 06:00:52,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833365310] [2024-11-14 06:00:52,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:00:52,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:00:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:00:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-14 06:00:52,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 06:00:52,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833365310] [2024-11-14 06:00:52,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833365310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:00:52,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:00:52,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 06:00:52,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659935759] [2024-11-14 06:00:52,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:00:52,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 06:00:52,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 06:00:52,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 06:00:52,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 06:00:52,939 INFO L87 Difference]: Start difference. First operand 503 states and 729 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-14 06:00:53,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 06:00:53,947 INFO L93 Difference]: Finished difference Result 717 states and 1003 transitions. [2024-11-14 06:00:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 06:00:53,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 123 [2024-11-14 06:00:53,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 06:00:53,952 INFO L225 Difference]: With dead ends: 717 [2024-11-14 06:00:53,952 INFO L226 Difference]: Without dead ends: 607 [2024-11-14 06:00:53,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-14 06:00:53,954 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 221 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 06:00:53,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 490 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 06:00:53,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-11-14 06:00:54,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 588. [2024-11-14 06:00:54,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 388 states have (on average 1.3891752577319587) internal successors, (539), 400 states have internal predecessors, (539), 150 states have call successors, (150), 50 states have call predecessors, (150), 49 states have return successors, (150), 142 states have call predecessors, (150), 147 states have call successors, (150) [2024-11-14 06:00:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 839 transitions. [2024-11-14 06:00:54,168 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 839 transitions. Word has length 123 [2024-11-14 06:00:54,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 06:00:54,169 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 839 transitions. [2024-11-14 06:00:54,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-14 06:00:54,169 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 839 transitions. [2024-11-14 06:00:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-14 06:00:54,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 06:00:54,173 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 06:00:54,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 06:00:54,173 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:00:54,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:00:54,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1309863904, now seen corresponding path program 1 times [2024-11-14 06:00:54,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 06:00:54,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563993858] [2024-11-14 06:00:54,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:00:54,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:00:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:00:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-14 06:00:54,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 06:00:54,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563993858] [2024-11-14 06:00:54,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563993858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:00:54,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:00:54,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-14 06:00:54,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430323494] [2024-11-14 06:00:54,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:00:54,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 06:00:54,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 06:00:54,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 06:00:54,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-14 06:00:54,788 INFO L87 Difference]: Start difference. First operand 588 states and 839 transitions. Second operand has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-14 06:00:56,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 06:00:56,330 INFO L93 Difference]: Finished difference Result 1210 states and 1693 transitions. [2024-11-14 06:00:56,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 06:00:56,331 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 128 [2024-11-14 06:00:56,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 06:00:56,337 INFO L225 Difference]: With dead ends: 1210 [2024-11-14 06:00:56,338 INFO L226 Difference]: Without dead ends: 989 [2024-11-14 06:00:56,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-11-14 06:00:56,340 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 356 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1433 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-14 06:00:56,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 1433 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-14 06:00:56,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-11-14 06:00:56,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 978. [2024-11-14 06:00:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 630 states have (on average 1.3968253968253967) internal successors, (880), 651 states have internal predecessors, (880), 261 states have call successors, (261), 88 states have call predecessors, (261), 86 states have return successors, (259), 247 states have call predecessors, (259), 255 states have call successors, (259) [2024-11-14 06:00:56,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1400 transitions. [2024-11-14 06:00:56,695 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1400 transitions. Word has length 128 [2024-11-14 06:00:56,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 06:00:56,695 INFO L471 AbstractCegarLoop]: Abstraction has 978 states and 1400 transitions. [2024-11-14 06:00:56,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-14 06:00:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1400 transitions. [2024-11-14 06:00:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 06:00:56,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 06:00:56,701 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 06:00:56,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 06:00:56,701 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:00:56,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:00:56,702 INFO L85 PathProgramCache]: Analyzing trace with hash -2005769225, now seen corresponding path program 1 times [2024-11-14 06:00:56,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 06:00:56,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496353524] [2024-11-14 06:00:56,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:00:56,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:00:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:00:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-14 06:00:56,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 06:00:56,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496353524] [2024-11-14 06:00:56,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496353524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:00:56,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800610807] [2024-11-14 06:00:56,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:00:56,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:00:56,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 06:00:56,974 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:00:56,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4b4867-6435-428c-bffb-9c5c90d32e83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 06:00:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:00:57,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 06:00:57,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:00:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-14 06:00:57,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:00:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-14 06:00:57,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800610807] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:00:57,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [102592913] [2024-11-14 06:00:57,808 INFO L159 IcfgInterpreter]: Started Sifa with 103 locations of interest [2024-11-14 06:00:57,808 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 06:00:57,809 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 06:00:57,809 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 06:00:57,809 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 06:02:07,736 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2024-11-14 06:02:07,861 INFO L197 IcfgInterpreter]: Interpreting procedure setClientAddressBookAddress with input of size 458 for LOIs [2024-11-14 06:02:09,616 INFO L197 IcfgInterpreter]: Interpreting procedure setClientAddressBookSize with input of size 430 for LOIs [2024-11-14 06:02:09,882 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-14 06:02:10,070 INFO L180 IcfgInterpreter]: Interpretation finished