./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/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_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/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_b60f1369-284c-409d-95ce-f49f50fc333e/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 979399ca852926e8ca1f854d8ed303a24eaf5d25d69a2db1d99b3449cc418039 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:11:12,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:11:12,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:11:12,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:11:12,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:11:12,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:11:12,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:11:12,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:11:12,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:11:12,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:11:12,481 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:11:12,481 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:11:12,481 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:11:12,481 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:11:12,481 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:11:12,482 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:11:12,482 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:11:12,482 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:11:12,483 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:11:12,483 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:11:12,483 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:11:12,483 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:11:12,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:11:12,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:11:12,484 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:11:12,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:11:12,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:11:12,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:11:12,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:11:12,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:11:12,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:11:12,485 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:11:12,485 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:11:12,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:11:12,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:11:12,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:11:12,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:11:12,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:11:12,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:11:12,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:11:12,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:11:12,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:11:12,487 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:11:12,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:11:12,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:11:12,488 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:11:12,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:11:12,488 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_b60f1369-284c-409d-95ce-f49f50fc333e/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 -> 979399ca852926e8ca1f854d8ed303a24eaf5d25d69a2db1d99b3449cc418039 [2024-11-14 05:11:12,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:11:12,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:11:12,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:11:12,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:11:12,866 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:11:12,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/email_spec9_product35.cil.c Unable to find full path for "g++" [2024-11-14 05:11:15,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:11:15,430 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:11:15,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/sv-benchmarks/c/product-lines/email_spec9_product35.cil.c [2024-11-14 05:11:15,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/data/a73d45302/c0beb5d06572498483b83bb46e59d442/FLAG919a26620 [2024-11-14 05:11:15,579 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/data/a73d45302/c0beb5d06572498483b83bb46e59d442 [2024-11-14 05:11:15,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:11:15,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:11:15,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:11:15,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:11:15,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:11:15,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:11:15" (1/1) ... [2024-11-14 05:11:15,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409694d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:15, skipping insertion in model container [2024-11-14 05:11:15,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:11:15" (1/1) ... [2024-11-14 05:11:15,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:11:16,324 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_b60f1369-284c-409d-95ce-f49f50fc333e/sv-benchmarks/c/product-lines/email_spec9_product35.cil.c[46615,46628] [2024-11-14 05:11:16,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:11:16,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:11:16,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-14 05:11:16,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [392] [2024-11-14 05:11:16,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1460] [2024-11-14 05:11:16,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1495] [2024-11-14 05:11:16,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [1643] [2024-11-14 05:11:16,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1686] [2024-11-14 05:11:16,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2052] [2024-11-14 05:11:16,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2061] [2024-11-14 05:11:16,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2283] [2024-11-14 05:11:16,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2722] [2024-11-14 05:11:16,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2739] [2024-11-14 05:11:16,685 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/sv-benchmarks/c/product-lines/email_spec9_product35.cil.c[46615,46628] [2024-11-14 05:11:16,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:11:16,767 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:11:16,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16 WrapperNode [2024-11-14 05:11:16,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:11:16,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:11:16,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:11:16,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:11:16,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (1/1) ... [2024-11-14 05:11:16,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (1/1) ... [2024-11-14 05:11:16,866 INFO L138 Inliner]: procedures = 138, calls = 230, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1166 [2024-11-14 05:11:16,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:11:16,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:11:16,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:11:16,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:11:16,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (1/1) ... [2024-11-14 05:11:16,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (1/1) ... [2024-11-14 05:11:16,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (1/1) ... [2024-11-14 05:11:16,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (1/1) ... [2024-11-14 05:11:16,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (1/1) ... [2024-11-14 05:11:16,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (1/1) ... [2024-11-14 05:11:16,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (1/1) ... [2024-11-14 05:11:16,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (1/1) ... [2024-11-14 05:11:16,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:11:16,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:11:16,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:11:16,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:11:16,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (1/1) ... [2024-11-14 05:11:17,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:11:17,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:11:17,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:11:17,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:11:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-14 05:11:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-14 05:11:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-14 05:11:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-14 05:11:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-14 05:11:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-14 05:11:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-14 05:11:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-14 05:11:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-14 05:11:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-14 05:11:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-14 05:11:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-14 05:11:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-14 05:11:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-14 05:11:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-14 05:11:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-14 05:11:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-14 05:11:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-14 05:11:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-14 05:11:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-14 05:11:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-14 05:11:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-14 05:11:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-14 05:11:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-14 05:11:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-14 05:11:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-14 05:11:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-14 05:11:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-14 05:11:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-14 05:11:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-14 05:11:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-14 05:11:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-14 05:11:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:11:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-14 05:11:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-14 05:11:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-14 05:11:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-14 05:11:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-14 05:11:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-14 05:11:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-14 05:11:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-14 05:11:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-14 05:11:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-14 05:11:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-14 05:11:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-14 05:11:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-14 05:11:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-14 05:11:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-14 05:11:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-14 05:11:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-14 05:11:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-14 05:11:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-14 05:11:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-14 05:11:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-14 05:11:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-14 05:11:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:11:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-14 05:11:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-14 05:11:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-14 05:11:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-14 05:11:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:11:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:11:17,416 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:11:17,420 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:11:19,129 INFO L? ?]: Removed 610 outVars from TransFormulas that were not future-live. [2024-11-14 05:11:19,129 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:11:20,253 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:11:20,256 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:11:20,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:11:20 BoogieIcfgContainer [2024-11-14 05:11:20,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:11:20,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:11:20,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:11:20,267 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:11:20,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:11:15" (1/3) ... [2024-11-14 05:11:20,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a5d852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:11:20, skipping insertion in model container [2024-11-14 05:11:20,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:16" (2/3) ... [2024-11-14 05:11:20,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a5d852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:11:20, skipping insertion in model container [2024-11-14 05:11:20,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:11:20" (3/3) ... [2024-11-14 05:11:20,270 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product35.cil.c [2024-11-14 05:11:20,288 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:11:20,291 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec9_product35.cil.c that has 30 procedures, 242 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:11:20,365 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:11:20,376 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;@4809d87c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:11:20,377 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:11:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 242 states, 136 states have (on average 1.286764705882353) internal successors, (175), 141 states have internal predecessors, (175), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-14 05:11:20,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-14 05:11:20,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:20,392 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:20,393 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:20,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:20,400 INFO L85 PathProgramCache]: Analyzing trace with hash -237891401, now seen corresponding path program 1 times [2024-11-14 05:11:20,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:11:20,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139003353] [2024-11-14 05:11:20,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:20,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:11:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:20,896 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 05:11:20,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:11:20,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139003353] [2024-11-14 05:11:20,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139003353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:11:20,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:11:20,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:11:20,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669005387] [2024-11-14 05:11:20,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:11:20,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:11:20,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:11:20,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:11:20,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:11:20,936 INFO L87 Difference]: Start difference. First operand has 242 states, 136 states have (on average 1.286764705882353) internal successors, (175), 141 states have internal predecessors, (175), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:11:21,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:11:21,117 INFO L93 Difference]: Finished difference Result 392 states and 521 transitions. [2024-11-14 05:11:21,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:11:21,119 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2024-11-14 05:11:21,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:11:21,133 INFO L225 Difference]: With dead ends: 392 [2024-11-14 05:11:21,133 INFO L226 Difference]: Without dead ends: 239 [2024-11-14 05:11:21,140 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 05:11:21,144 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:11:21,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 274 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:11:21,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-14 05:11:21,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-11-14 05:11:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 134 states have (on average 1.2611940298507462) internal successors, (169), 138 states have internal predecessors, (169), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-14 05:11:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 318 transitions. [2024-11-14 05:11:21,229 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 318 transitions. Word has length 71 [2024-11-14 05:11:21,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:11:21,231 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 318 transitions. [2024-11-14 05:11:21,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:11:21,231 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2024-11-14 05:11:21,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 05:11:21,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:21,237 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:21,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:11:21,237 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:21,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:21,238 INFO L85 PathProgramCache]: Analyzing trace with hash -516093796, now seen corresponding path program 1 times [2024-11-14 05:11:21,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:11:21,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951402775] [2024-11-14 05:11:21,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:21,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:11:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:21,709 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 05:11:21,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:11:21,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951402775] [2024-11-14 05:11:21,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951402775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:11:21,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:11:21,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:11:21,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711167326] [2024-11-14 05:11:21,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:11:21,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:11:21,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:11:21,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:11:21,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:11:21,715 INFO L87 Difference]: Start difference. First operand 239 states and 318 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:11:21,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:11:21,999 INFO L93 Difference]: Finished difference Result 388 states and 506 transitions. [2024-11-14 05:11:22,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:11:22,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2024-11-14 05:11:22,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:11:22,010 INFO L225 Difference]: With dead ends: 388 [2024-11-14 05:11:22,010 INFO L226 Difference]: Without dead ends: 241 [2024-11-14 05:11:22,012 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 05:11:22,015 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 0 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:11:22,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 541 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:11:22,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-14 05:11:22,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-14 05:11:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 136 states have (on average 1.2573529411764706) internal successors, (171), 140 states have internal predecessors, (171), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-14 05:11:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 320 transitions. [2024-11-14 05:11:22,065 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 320 transitions. Word has length 72 [2024-11-14 05:11:22,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:11:22,065 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 320 transitions. [2024-11-14 05:11:22,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:11:22,066 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 320 transitions. [2024-11-14 05:11:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 05:11:22,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:22,072 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] [2024-11-14 05:11:22,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:11:22,074 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:22,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:22,076 INFO L85 PathProgramCache]: Analyzing trace with hash 81238784, now seen corresponding path program 1 times [2024-11-14 05:11:22,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:11:22,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315126247] [2024-11-14 05:11:22,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:22,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:11:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:22,319 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 05:11:22,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:11:22,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315126247] [2024-11-14 05:11:22,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315126247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:11:22,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:11:22,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:11:22,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273174410] [2024-11-14 05:11:22,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:11:22,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:11:22,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:11:22,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:11:22,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:11:22,321 INFO L87 Difference]: Start difference. First operand 241 states and 320 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:11:22,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:11:22,571 INFO L93 Difference]: Finished difference Result 517 states and 707 transitions. [2024-11-14 05:11:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:11:22,572 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2024-11-14 05:11:22,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:11:22,580 INFO L225 Difference]: With dead ends: 517 [2024-11-14 05:11:22,580 INFO L226 Difference]: Without dead ends: 294 [2024-11-14 05:11:22,581 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 05:11:22,582 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 59 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:11:22,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 545 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:11:22,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-14 05:11:22,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 289. [2024-11-14 05:11:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 170 states have (on average 1.3294117647058823) internal successors, (226), 174 states have internal predecessors, (226), 89 states have call successors, (89), 29 states have call predecessors, (89), 29 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-14 05:11:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 403 transitions. [2024-11-14 05:11:22,636 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 403 transitions. Word has length 77 [2024-11-14 05:11:22,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:11:22,636 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 403 transitions. [2024-11-14 05:11:22,637 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:11:22,637 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 403 transitions. [2024-11-14 05:11:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-14 05:11:22,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:22,643 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:22,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:11:22,647 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:22,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:22,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1788138691, now seen corresponding path program 1 times [2024-11-14 05:11:22,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:11:22,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311793275] [2024-11-14 05:11:22,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:22,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:11:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:23,046 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 05:11:23,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:11:23,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311793275] [2024-11-14 05:11:23,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311793275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:11:23,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325247482] [2024-11-14 05:11:23,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:23,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:11:23,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:11:23,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:11:23,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:11:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:23,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:11:23,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:11:23,745 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 05:11:23,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:11:23,925 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 05:11:23,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325247482] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:11:23,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [47206163] [2024-11-14 05:11:23,958 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-14 05:11:23,958 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:11:23,962 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:11:23,968 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:11:23,969 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:11:56,689 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-14 05:11:56,906 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 230 for LOIs [2024-11-14 05:11:57,110 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:12:58,543 WARN L286 SmtUtils]: Spent 10.39s on a formula simplification. DAG size of input: 468 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:13:10,204 WARN L286 SmtUtils]: Spent 10.67s on a formula simplification. DAG size of input: 469 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:13:22,371 WARN L286 SmtUtils]: Spent 10.88s on a formula simplification. DAG size of input: 473 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:13:27,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [47206163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:13:27,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:13:27,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-14 05:13:27,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910569042] [2024-11-14 05:13:27,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:13:27,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 05:13:27,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:13:27,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 05:13:27,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-14 05:13:27,795 INFO L87 Difference]: Start difference. First operand 289 states and 403 transitions. Second operand has 23 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-14 05:13:39,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:13:39,170 INFO L93 Difference]: Finished difference Result 593 states and 844 transitions. [2024-11-14 05:13:39,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 05:13:39,171 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 78 [2024-11-14 05:13:39,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:13:39,175 INFO L225 Difference]: With dead ends: 593 [2024-11-14 05:13:39,175 INFO L226 Difference]: Without dead ends: 322 [2024-11-14 05:13:39,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 209 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 90.7s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-14 05:13:39,178 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 26 mSDsluCounter, 3574 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 1964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:13:39,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3827 Invalid, 1964 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1955 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2024-11-14 05:13:39,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-14 05:13:39,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 312. [2024-11-14 05:13:39,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 196 states have internal predecessors, (259), 89 states have call successors, (89), 30 states have call predecessors, (89), 30 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-14 05:13:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 436 transitions. [2024-11-14 05:13:39,272 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 436 transitions. Word has length 78 [2024-11-14 05:13:39,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:13:39,273 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 436 transitions. [2024-11-14 05:13:39,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-14 05:13:39,274 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 436 transitions. [2024-11-14 05:13:39,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 05:13:39,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:13:39,277 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:13:39,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:13:39,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:13:39,485 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:13:39,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:13:39,486 INFO L85 PathProgramCache]: Analyzing trace with hash 515485372, now seen corresponding path program 1 times [2024-11-14 05:13:39,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:13:39,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011196580] [2024-11-14 05:13:39,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:13:39,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:13:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:13:39,649 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 05:13:39,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:13:39,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011196580] [2024-11-14 05:13:39,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011196580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:13:39,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:13:39,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:13:39,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157689307] [2024-11-14 05:13:39,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:13:39,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:13:39,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:13:39,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:13:39,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:13:39,651 INFO L87 Difference]: Start difference. First operand 312 states and 436 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 05:13:39,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:13:39,893 INFO L93 Difference]: Finished difference Result 727 states and 1052 transitions. [2024-11-14 05:13:39,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:13:39,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 83 [2024-11-14 05:13:39,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:13:39,897 INFO L225 Difference]: With dead ends: 727 [2024-11-14 05:13:39,898 INFO L226 Difference]: Without dead ends: 439 [2024-11-14 05:13:39,899 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 05:13:39,900 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 57 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:13:39,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 549 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:13:39,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-14 05:13:40,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 434. [2024-11-14 05:13:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 283 states have (on average 1.4098939929328622) internal successors, (399), 287 states have internal predecessors, (399), 120 states have call successors, (120), 30 states have call predecessors, (120), 30 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-14 05:13:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 638 transitions. [2024-11-14 05:13:40,031 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 638 transitions. Word has length 83 [2024-11-14 05:13:40,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:13:40,031 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 638 transitions. [2024-11-14 05:13:40,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 05:13:40,033 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 638 transitions. [2024-11-14 05:13:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-14 05:13:40,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:13:40,038 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:13:40,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:13:40,039 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:13:40,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:13:40,039 INFO L85 PathProgramCache]: Analyzing trace with hash 2033585084, now seen corresponding path program 1 times [2024-11-14 05:13:40,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:13:40,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764553522] [2024-11-14 05:13:40,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:13:40,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:13:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:13:40,247 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 05:13:40,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:13:40,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764553522] [2024-11-14 05:13:40,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764553522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:13:40,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142069653] [2024-11-14 05:13:40,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:13:40,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:13:40,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:13:40,251 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:13:40,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 05:13:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:13:40,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:13:40,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:13:40,700 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 05:13:40,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:13:40,820 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 05:13:40,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142069653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:13:40,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1862106080] [2024-11-14 05:13:40,824 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2024-11-14 05:13:40,824 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:13:40,825 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:13:40,825 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:13:40,825 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:14:23,707 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-14 05:14:23,816 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 452 for LOIs [2024-11-14 05:14:24,934 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:14:48,809 WARN L286 SmtUtils]: Spent 7.48s on a formula simplification. DAG size of input: 452 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:15:01,128 WARN L286 SmtUtils]: Spent 11.93s on a formula simplification. DAG size of input: 476 DAG size of output: 471 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:15:47,544 WARN L286 SmtUtils]: Spent 11.76s on a formula simplification. DAG size of input: 469 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:16:00,397 WARN L286 SmtUtils]: Spent 11.69s on a formula simplification. DAG size of input: 470 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:16:12,933 WARN L286 SmtUtils]: Spent 11.14s on a formula simplification. DAG size of input: 474 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:16:27,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1862106080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:27,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:16:27,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-14 05:16:27,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042651554] [2024-11-14 05:16:27,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:27,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-14 05:16:27,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:27,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-14 05:16:27,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2024-11-14 05:16:27,255 INFO L87 Difference]: Start difference. First operand 434 states and 638 transitions. Second operand has 27 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 17 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-14 05:16:55,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:55,268 INFO L93 Difference]: Finished difference Result 880 states and 1321 transitions. [2024-11-14 05:16:55,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-14 05:16:55,269 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 17 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 84 [2024-11-14 05:16:55,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:55,274 INFO L225 Difference]: With dead ends: 880 [2024-11-14 05:16:55,274 INFO L226 Difference]: Without dead ends: 509 [2024-11-14 05:16:55,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 136.5s TimeCoverageRelationStatistics Valid=125, Invalid=1065, Unknown=0, NotChecked=0, Total=1190 [2024-11-14 05:16:55,277 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 111 mSDsluCounter, 3336 mSDsCounter, 0 mSdLazyCounter, 2392 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 3589 SdHoareTripleChecker+Invalid, 2405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:55,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 3589 Invalid, 2405 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2392 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2024-11-14 05:16:55,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-14 05:16:55,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 448. [2024-11-14 05:16:55,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 295 states have (on average 1.4101694915254237) internal successors, (416), 299 states have internal predecessors, (416), 121 states have call successors, (121), 31 states have call predecessors, (121), 31 states have return successors, (120), 119 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-14 05:16:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 657 transitions. [2024-11-14 05:16:55,395 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 657 transitions. Word has length 84 [2024-11-14 05:16:55,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:55,396 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 657 transitions. [2024-11-14 05:16:55,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 17 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-14 05:16:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 657 transitions. [2024-11-14 05:16:55,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-14 05:16:55,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:55,399 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:16:55,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 05:16:55,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-14 05:16:55,600 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:16:55,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:55,600 INFO L85 PathProgramCache]: Analyzing trace with hash -71567843, now seen corresponding path program 1 times [2024-11-14 05:16:55,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:55,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748410331] [2024-11-14 05:16:55,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:55,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:55,853 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 05:16:55,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:55,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748410331] [2024-11-14 05:16:55,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748410331] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:16:55,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470072195] [2024-11-14 05:16:55,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:55,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:16:55,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:16:55,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:16:55,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 05:16:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:56,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:16:56,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:16:56,411 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 05:16:56,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:16:56,527 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 05:16:56,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470072195] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:16:56,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [18997901] [2024-11-14 05:16:56,533 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2024-11-14 05:16:56,533 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:16:56,534 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:16:56,534 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:16:56,534 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:17:59,298 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-14 05:17:59,449 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 498 for LOIs [2024-11-14 05:18:01,001 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 507 for LOIs [2024-11-14 05:18:02,487 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 443 for LOIs [2024-11-14 05:18:03,049 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 230 for LOIs [2024-11-14 05:18:03,338 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:19:29,279 WARN L286 SmtUtils]: Spent 17.88s on a formula simplification. DAG size of input: 527 DAG size of output: 522 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:19:48,614 WARN L286 SmtUtils]: Spent 18.01s on a formula simplification. DAG size of input: 528 DAG size of output: 522 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:20:15,411 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:20:22,859 WARN L286 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 513 DAG size of output: 509 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:20:29,932 WARN L286 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 507 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:20:37,041 WARN L286 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 507 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:20:44,210 WARN L286 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 503 DAG size of output: 499 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:20:51,058 WARN L286 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 498 DAG size of output: 494 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:20:58,006 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 498 DAG size of output: 494 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:21:04,969 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 494 DAG size of output: 490 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:21:04,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [18997901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:21:04,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:21:04,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-14 05:21:04,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797393257] [2024-11-14 05:21:04,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:21:04,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 05:21:04,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:21:04,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 05:21:04,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 05:21:04,980 INFO L87 Difference]: Start difference. First operand 448 states and 657 transitions. Second operand has 33 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-14 05:21:34,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:21:34,267 INFO L93 Difference]: Finished difference Result 903 states and 1354 transitions. [2024-11-14 05:21:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 05:21:34,268 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) Word has length 87 [2024-11-14 05:21:34,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:21:34,274 INFO L225 Difference]: With dead ends: 903 [2024-11-14 05:21:34,274 INFO L226 Difference]: Without dead ends: 532 [2024-11-14 05:21:34,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 181.6s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 05:21:34,277 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 104 mSDsluCounter, 4669 mSDsCounter, 0 mSdLazyCounter, 4104 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 4919 SdHoareTripleChecker+Invalid, 4113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 4104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:21:34,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 4919 Invalid, 4113 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 4104 Invalid, 0 Unknown, 0 Unchecked, 28.8s Time] [2024-11-14 05:21:34,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-14 05:21:34,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 484. [2024-11-14 05:21:34,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 325 states have (on average 1.4092307692307693) internal successors, (458), 329 states have internal predecessors, (458), 124 states have call successors, (124), 34 states have call predecessors, (124), 34 states have return successors, (123), 122 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-14 05:21:34,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 705 transitions. [2024-11-14 05:21:34,440 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 705 transitions. Word has length 87 [2024-11-14 05:21:34,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:21:34,441 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 705 transitions. [2024-11-14 05:21:34,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-14 05:21:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 705 transitions. [2024-11-14 05:21:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-14 05:21:34,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:21:34,444 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:21:34,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 05:21:34,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-14 05:21:34,645 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:21:34,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:21:34,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1088749535, now seen corresponding path program 1 times [2024-11-14 05:21:34,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:21:34,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651770455] [2024-11-14 05:21:34,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:21:34,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:21:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:21:34,806 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 05:21:34,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:21:34,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651770455] [2024-11-14 05:21:34,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651770455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:21:34,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848336005] [2024-11-14 05:21:34,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:21:34,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:21:34,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:21:34,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:21:34,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 05:21:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:21:35,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:21:35,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:21:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:21:35,283 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:21:35,400 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 05:21:35,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848336005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:21:35,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [185429912] [2024-11-14 05:21:35,405 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2024-11-14 05:21:35,405 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:21:35,406 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:21:35,409 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:21:35,409 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:22:19,982 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-14 05:22:20,091 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 230 for LOIs [2024-11-14 05:22:20,199 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:23:25,380 WARN L286 SmtUtils]: Spent 11.95s on a formula simplification. DAG size of input: 468 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:23:38,559 WARN L286 SmtUtils]: Spent 12.00s on a formula simplification. DAG size of input: 469 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:23:51,860 WARN L286 SmtUtils]: Spent 11.79s on a formula simplification. DAG size of input: 473 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:24:20,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [185429912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:24:20,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:24:20,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-14 05:24:20,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508400080] [2024-11-14 05:24:20,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:24:20,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-14 05:24:20,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:24:20,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-14 05:24:20,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-14 05:24:20,326 INFO L87 Difference]: Start difference. First operand 484 states and 705 transitions. Second operand has 27 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-14 05:24:34,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:24:34,772 INFO L93 Difference]: Finished difference Result 904 states and 1343 transitions. [2024-11-14 05:24:34,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-14 05:24:34,773 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 86 [2024-11-14 05:24:34,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:24:34,778 INFO L225 Difference]: With dead ends: 904 [2024-11-14 05:24:34,778 INFO L226 Difference]: Without dead ends: 533 [2024-11-14 05:24:34,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 225 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 120.1s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-14 05:24:34,781 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 18 mSDsluCounter, 4472 mSDsCounter, 0 mSdLazyCounter, 2722 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4718 SdHoareTripleChecker+Invalid, 2730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:24:34,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 4718 Invalid, 2730 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2722 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2024-11-14 05:24:34,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-14 05:24:34,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 504. [2024-11-14 05:24:34,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 345 states have (on average 1.4144927536231884) internal successors, (488), 349 states have internal predecessors, (488), 124 states have call successors, (124), 34 states have call predecessors, (124), 34 states have return successors, (123), 122 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-14 05:24:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 735 transitions. [2024-11-14 05:24:34,944 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 735 transitions. Word has length 86 [2024-11-14 05:24:34,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:24:34,944 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 735 transitions. [2024-11-14 05:24:34,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-14 05:24:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 735 transitions. [2024-11-14 05:24:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-14 05:24:34,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:24:34,947 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:24:34,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 05:24:35,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-14 05:24:35,147 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:24:35,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:24:35,148 INFO L85 PathProgramCache]: Analyzing trace with hash 276516219, now seen corresponding path program 1 times [2024-11-14 05:24:35,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:24:35,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231137575] [2024-11-14 05:24:35,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:24:35,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:24:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:24:35,446 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 05:24:35,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:24:35,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231137575] [2024-11-14 05:24:35,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231137575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:24:35,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:24:35,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:24:35,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260276964] [2024-11-14 05:24:35,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:24:35,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:24:35,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:24:35,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:24:35,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:24:35,449 INFO L87 Difference]: Start difference. First operand 504 states and 735 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 05:24:35,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:24:35,889 INFO L93 Difference]: Finished difference Result 694 states and 970 transitions. [2024-11-14 05:24:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:24:35,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 89 [2024-11-14 05:24:35,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:24:35,896 INFO L225 Difference]: With dead ends: 694 [2024-11-14 05:24:35,896 INFO L226 Difference]: Without dead ends: 554 [2024-11-14 05:24:35,897 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 05:24:35,898 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 146 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 412 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 05:24:35,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 412 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:24:35,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-14 05:24:36,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 553. [2024-11-14 05:24:36,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 370 states have (on average 1.3918918918918919) internal successors, (515), 376 states have internal predecessors, (515), 138 states have call successors, (138), 46 states have call predecessors, (138), 44 states have return successors, (136), 133 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-14 05:24:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 789 transitions. [2024-11-14 05:24:36,142 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 789 transitions. Word has length 89 [2024-11-14 05:24:36,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:24:36,144 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 789 transitions. [2024-11-14 05:24:36,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 05:24:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 789 transitions. [2024-11-14 05:24:36,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-14 05:24:36,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:24:36,151 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 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 05:24:36,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 05:24:36,152 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:24:36,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:24:36,152 INFO L85 PathProgramCache]: Analyzing trace with hash 2082516799, now seen corresponding path program 1 times [2024-11-14 05:24:36,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:24:36,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452806324] [2024-11-14 05:24:36,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:24:36,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:24:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:24:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-14 05:24:37,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:24:37,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452806324] [2024-11-14 05:24:37,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452806324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:24:37,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:24:37,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 05:24:37,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739930266] [2024-11-14 05:24:37,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:24:37,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 05:24:37,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:24:37,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 05:24:37,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:24:37,205 INFO L87 Difference]: Start difference. First operand 553 states and 789 transitions. Second operand has 12 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 6 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-14 05:24:38,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:24:38,998 INFO L93 Difference]: Finished difference Result 1126 states and 1576 transitions. [2024-11-14 05:24:38,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 05:24:38,999 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 6 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) Word has length 154 [2024-11-14 05:24:38,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:24:39,006 INFO L225 Difference]: With dead ends: 1126 [2024-11-14 05:24:39,007 INFO L226 Difference]: Without dead ends: 946 [2024-11-14 05:24:39,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-14 05:24:39,010 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 438 mSDsluCounter, 1540 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 1550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:24:39,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 1813 Invalid, 1550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-14 05:24:39,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2024-11-14 05:24:39,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 939. [2024-11-14 05:24:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 609 states have (on average 1.3973727422003284) internal successors, (851), 620 states have internal predecessors, (851), 250 states have call successors, (250), 83 states have call predecessors, (250), 79 states have return successors, (245), 241 states have call predecessors, (245), 245 states have call successors, (245) [2024-11-14 05:24:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1346 transitions. [2024-11-14 05:24:39,351 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1346 transitions. Word has length 154 [2024-11-14 05:24:39,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:24:39,352 INFO L471 AbstractCegarLoop]: Abstraction has 939 states and 1346 transitions. [2024-11-14 05:24:39,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 6 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-14 05:24:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1346 transitions. [2024-11-14 05:24:39,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-14 05:24:39,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:24:39,358 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:24:39,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 05:24:39,358 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:24:39,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:24:39,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1807486379, now seen corresponding path program 1 times [2024-11-14 05:24:39,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:24:39,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812126026] [2024-11-14 05:24:39,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:24:39,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:24:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:24:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-14 05:24:39,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:24:39,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812126026] [2024-11-14 05:24:39,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812126026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:24:39,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:24:39,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:24:39,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121045219] [2024-11-14 05:24:39,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:24:39,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:24:39,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:24:39,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:24:39,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:24:39,840 INFO L87 Difference]: Start difference. First operand 939 states and 1346 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-14 05:24:41,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:24:41,276 INFO L93 Difference]: Finished difference Result 1504 states and 2059 transitions. [2024-11-14 05:24:41,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:24:41,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 153 [2024-11-14 05:24:41,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:24:41,286 INFO L225 Difference]: With dead ends: 1504 [2024-11-14 05:24:41,287 INFO L226 Difference]: Without dead ends: 1204 [2024-11-14 05:24:41,290 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 05:24:41,290 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 288 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:24:41,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 565 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 05:24:41,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-14 05:24:41,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1156. [2024-11-14 05:24:41,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 727 states have (on average 1.360385144429161) internal successors, (989), 748 states have internal predecessors, (989), 314 states have call successors, (314), 116 states have call predecessors, (314), 114 states have return successors, (312), 300 states have call predecessors, (312), 308 states have call successors, (312) [2024-11-14 05:24:41,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1615 transitions. [2024-11-14 05:24:41,693 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1615 transitions. Word has length 153 [2024-11-14 05:24:41,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:24:41,694 INFO L471 AbstractCegarLoop]: Abstraction has 1156 states and 1615 transitions. [2024-11-14 05:24:41,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-14 05:24:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1615 transitions. [2024-11-14 05:24:41,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-14 05:24:41,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:24:41,700 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:41,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 05:24:41,700 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:24:41,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:24:41,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1944383544, now seen corresponding path program 1 times [2024-11-14 05:24:41,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:24:41,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118059062] [2024-11-14 05:24:41,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:24:41,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:24:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:24:41,971 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-14 05:24:41,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:24:41,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118059062] [2024-11-14 05:24:41,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118059062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:24:41,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165239094] [2024-11-14 05:24:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:24:41,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:24:41,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:24:41,975 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:24:41,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60f1369-284c-409d-95ce-f49f50fc333e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 05:24:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:24:42,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:24:42,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:24:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-14 05:24:42,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:24:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-14 05:24:42,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165239094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:24:42,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1890469357] [2024-11-14 05:24:42,840 INFO L159 IcfgInterpreter]: Started Sifa with 121 locations of interest [2024-11-14 05:24:42,840 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:24:42,841 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:24:42,841 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:24:42,841 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs