./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product29.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_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/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_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/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_cd058354-7877-4438-ae97-c9c7102f989c/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 f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:28:20,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:28:20,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:28:20,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:28:20,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:28:20,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:28:20,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:28:20,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:28:20,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:28:20,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:28:20,606 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:28:20,607 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:28:20,607 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:28:20,607 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:28:20,607 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:28:20,607 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:28:20,608 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:28:20,608 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:28:20,608 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:28:20,608 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:28:20,608 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:28:20,609 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:28:20,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:28:20,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:28:20,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:28:20,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:28:20,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:28:20,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:28:20,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:28:20,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:28:20,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:28:20,611 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:28:20,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:28:20,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:28:20,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:28:20,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:28:20,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:28:20,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:28:20,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:28:20,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:28:20,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:28:20,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:28:20,613 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:28:20,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:28:20,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:28:20,613 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:28:20,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:28:20,613 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_cd058354-7877-4438-ae97-c9c7102f989c/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 -> f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b [2024-11-14 04:28:20,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:28:20,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:28:20,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:28:20,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:28:20,948 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:28:20,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c Unable to find full path for "g++" [2024-11-14 04:28:22,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:28:23,176 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:28:23,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2024-11-14 04:28:23,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/data/215407ae3/3efef5b97302474fb4143b34800d4ae2/FLAG9ecf8bb5d [2024-11-14 04:28:23,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/data/215407ae3/3efef5b97302474fb4143b34800d4ae2 [2024-11-14 04:28:23,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:28:23,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:28:23,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:28:23,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:28:23,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:28:23,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:28:23" (1/1) ... [2024-11-14 04:28:23,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d6992f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:23, skipping insertion in model container [2024-11-14 04:28:23,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:28:23" (1/1) ... [2024-11-14 04:28:23,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:28:23,970 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_cd058354-7877-4438-ae97-c9c7102f989c/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c[37973,37986] [2024-11-14 04:28:24,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:28:24,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:28:24,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-14 04:28:24,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [414] [2024-11-14 04:28:24,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1494] [2024-11-14 04:28:24,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1543] [2024-11-14 04:28:24,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1561] [2024-11-14 04:28:24,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1570] [2024-11-14 04:28:24,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1718] [2024-11-14 04:28:24,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1943] [2024-11-14 04:28:24,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2320] [2024-11-14 04:28:24,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2717] [2024-11-14 04:28:24,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2995] [2024-11-14 04:28:24,333 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_cd058354-7877-4438-ae97-c9c7102f989c/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c[37973,37986] [2024-11-14 04:28:24,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:28:24,428 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:28:24,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24 WrapperNode [2024-11-14 04:28:24,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:28:24,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:28:24,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:28:24,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:28:24,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (1/1) ... [2024-11-14 04:28:24,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (1/1) ... [2024-11-14 04:28:24,501 INFO L138 Inliner]: procedures = 131, calls = 212, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 929 [2024-11-14 04:28:24,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:28:24,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:28:24,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:28:24,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:28:24,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (1/1) ... [2024-11-14 04:28:24,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (1/1) ... [2024-11-14 04:28:24,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (1/1) ... [2024-11-14 04:28:24,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (1/1) ... [2024-11-14 04:28:24,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (1/1) ... [2024-11-14 04:28:24,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (1/1) ... [2024-11-14 04:28:24,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (1/1) ... [2024-11-14 04:28:24,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (1/1) ... [2024-11-14 04:28:24,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:28:24,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:28:24,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:28:24,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:28:24,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (1/1) ... [2024-11-14 04:28:24,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:28:24,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:28:24,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:28:24,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:28:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-14 04:28:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-14 04:28:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-14 04:28:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-14 04:28:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-14 04:28:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-14 04:28:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-14 04:28:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-14 04:28:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-14 04:28:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-14 04:28:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-14 04:28:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-14 04:28:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-14 04:28:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-14 04:28:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-14 04:28:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-14 04:28:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-14 04:28:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-14 04:28:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-14 04:28:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-14 04:28:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-14 04:28:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-14 04:28:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-14 04:28:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-14 04:28:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-14 04:28:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-14 04:28:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-14 04:28:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-14 04:28:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:28:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-14 04:28:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-14 04:28:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-14 04:28:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-14 04:28:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-14 04:28:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-14 04:28:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-14 04:28:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-14 04:28:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-14 04:28:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-14 04:28:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-14 04:28:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-14 04:28:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-14 04:28:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-14 04:28:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-14 04:28:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-14 04:28:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-14 04:28:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-14 04:28:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-14 04:28:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-14 04:28:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-14 04:28:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-14 04:28:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-14 04:28:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-14 04:28:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-14 04:28:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-14 04:28:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:28:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-14 04:28:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-14 04:28:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-14 04:28:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-14 04:28:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:28:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:28:25,003 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:28:25,007 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:28:26,238 INFO L? ?]: Removed 510 outVars from TransFormulas that were not future-live. [2024-11-14 04:28:26,239 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:28:27,158 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:28:27,161 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:28:27,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:28:27 BoogieIcfgContainer [2024-11-14 04:28:27,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:28:27,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:28:27,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:28:27,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:28:27,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:28:23" (1/3) ... [2024-11-14 04:28:27,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adf0576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:28:27, skipping insertion in model container [2024-11-14 04:28:27,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:24" (2/3) ... [2024-11-14 04:28:27,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adf0576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:28:27, skipping insertion in model container [2024-11-14 04:28:27,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:28:27" (3/3) ... [2024-11-14 04:28:27,176 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product29.cil.c [2024-11-14 04:28:27,194 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:28:27,200 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec27_product29.cil.c that has 30 procedures, 217 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:28:27,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:28:27,301 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;@82c4ce8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:28:27,302 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:28:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 217 states, 122 states have (on average 1.3032786885245902) internal successors, (159), 127 states have internal predecessors, (159), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-14 04:28:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-14 04:28:27,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:28:27,324 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:28:27,324 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:28:27,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:28:27,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1927488630, now seen corresponding path program 1 times [2024-11-14 04:28:27,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:28:27,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532520913] [2024-11-14 04:28:27,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:28:27,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:28:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:28:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:28:27,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:28:27,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532520913] [2024-11-14 04:28:27,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532520913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:28:27,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:28:27,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:28:27,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79374804] [2024-11-14 04:28:27,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:28:27,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:28:27,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:28:27,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:28:27,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:28:27,948 INFO L87 Difference]: Start difference. First operand has 217 states, 122 states have (on average 1.3032786885245902) internal successors, (159), 127 states have internal predecessors, (159), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 04:28:28,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:28:28,157 INFO L93 Difference]: Finished difference Result 342 states and 445 transitions. [2024-11-14 04:28:28,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:28:28,160 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 99 [2024-11-14 04:28:28,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:28:28,173 INFO L225 Difference]: With dead ends: 342 [2024-11-14 04:28:28,174 INFO L226 Difference]: Without dead ends: 214 [2024-11-14 04:28:28,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:28:28,181 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:28:28,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:28:28,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-14 04:28:28,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-11-14 04:28:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 120 states have (on average 1.275) internal successors, (153), 124 states have internal predecessors, (153), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-14 04:28:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 280 transitions. [2024-11-14 04:28:28,244 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 280 transitions. Word has length 99 [2024-11-14 04:28:28,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:28:28,245 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 280 transitions. [2024-11-14 04:28:28,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 04:28:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 280 transitions. [2024-11-14 04:28:28,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 04:28:28,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:28:28,252 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:28:28,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:28:28,253 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:28:28,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:28:28,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1730738649, now seen corresponding path program 1 times [2024-11-14 04:28:28,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:28:28,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29217729] [2024-11-14 04:28:28,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:28:28,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:28:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:28:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:28:28,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:28:28,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29217729] [2024-11-14 04:28:28,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29217729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:28:28,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:28:28,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:28:28,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954102382] [2024-11-14 04:28:28,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:28:28,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:28:28,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:28:28,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:28:28,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:28:28,861 INFO L87 Difference]: Start difference. First operand 214 states and 280 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-14 04:28:29,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:28:29,062 INFO L93 Difference]: Finished difference Result 338 states and 430 transitions. [2024-11-14 04:28:29,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:28:29,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 111 [2024-11-14 04:28:29,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:28:29,066 INFO L225 Difference]: With dead ends: 338 [2024-11-14 04:28:29,069 INFO L226 Difference]: Without dead ends: 216 [2024-11-14 04:28:29,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:28:29,074 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 0 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:28:29,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 483 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:28:29,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-14 04:28:29,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-14 04:28:29,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 126 states have internal predecessors, (155), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-14 04:28:29,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 282 transitions. [2024-11-14 04:28:29,116 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 282 transitions. Word has length 111 [2024-11-14 04:28:29,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:28:29,119 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 282 transitions. [2024-11-14 04:28:29,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-14 04:28:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 282 transitions. [2024-11-14 04:28:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-14 04:28:29,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:28:29,127 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:28:29,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:28:29,129 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:28:29,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:28:29,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1893825419, now seen corresponding path program 1 times [2024-11-14 04:28:29,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:28:29,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861568533] [2024-11-14 04:28:29,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:28:29,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:28:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:28:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:28:29,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:28:29,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861568533] [2024-11-14 04:28:29,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861568533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:28:29,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:28:29,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:28:29,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791203256] [2024-11-14 04:28:29,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:28:29,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:28:29,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:28:29,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:28:29,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:28:29,488 INFO L87 Difference]: Start difference. First operand 216 states and 282 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-14 04:28:29,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:28:29,680 INFO L93 Difference]: Finished difference Result 467 states and 631 transitions. [2024-11-14 04:28:29,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:28:29,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 116 [2024-11-14 04:28:29,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:28:29,685 INFO L225 Difference]: With dead ends: 467 [2024-11-14 04:28:29,685 INFO L226 Difference]: Without dead ends: 269 [2024-11-14 04:28:29,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:28:29,690 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 59 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:28:29,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 496 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:28:29,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-14 04:28:29,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 264. [2024-11-14 04:28:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 156 states have (on average 1.3461538461538463) internal successors, (210), 160 states have internal predecessors, (210), 78 states have call successors, (78), 29 states have call predecessors, (78), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-14 04:28:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 365 transitions. [2024-11-14 04:28:29,735 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 365 transitions. Word has length 116 [2024-11-14 04:28:29,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:28:29,736 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 365 transitions. [2024-11-14 04:28:29,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-14 04:28:29,736 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 365 transitions. [2024-11-14 04:28:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:28:29,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:28:29,744 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:28:29,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:28:29,744 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:28:29,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:28:29,745 INFO L85 PathProgramCache]: Analyzing trace with hash -942181845, now seen corresponding path program 1 times [2024-11-14 04:28:29,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:28:29,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972899301] [2024-11-14 04:28:29,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:28:29,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:28:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:28:30,176 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:28:30,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:28:30,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972899301] [2024-11-14 04:28:30,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972899301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:28:30,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980238091] [2024-11-14 04:28:30,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:28:30,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:28:30,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:28:30,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:28:30,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:28:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:28:30,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:28:30,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:28:30,870 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:28:30,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:28:31,060 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:28:31,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980238091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:28:31,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1384166735] [2024-11-14 04:28:31,089 INFO L159 IcfgInterpreter]: Started Sifa with 96 locations of interest [2024-11-14 04:28:31,089 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:28:31,093 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:28:31,097 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:28:31,098 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:29:00,232 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-14 04:29:00,453 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-14 04:29:00,579 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:29:57,895 WARN L286 SmtUtils]: Spent 9.90s on a formula simplification. DAG size of input: 455 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:30:08,619 WARN L286 SmtUtils]: Spent 9.86s on a formula simplification. DAG size of input: 456 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:30:16,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1384166735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:30:16,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:30:16,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-14 04:30:16,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433195192] [2024-11-14 04:30:16,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:30:16,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 04:30:16,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:30:16,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 04:30:16,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2024-11-14 04:30:16,782 INFO L87 Difference]: Start difference. First operand 264 states and 365 transitions. Second operand has 23 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-14 04:30:30,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:30:30,935 INFO L93 Difference]: Finished difference Result 543 states and 768 transitions. [2024-11-14 04:30:30,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 04:30:30,936 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) Word has length 117 [2024-11-14 04:30:30,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:30:30,939 INFO L225 Difference]: With dead ends: 543 [2024-11-14 04:30:30,939 INFO L226 Difference]: Without dead ends: 297 [2024-11-14 04:30:30,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 326 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 79.4s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-14 04:30:30,941 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 26 mSDsluCounter, 3211 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3434 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:30:30,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3434 Invalid, 2235 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2024-11-14 04:30:30,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-14 04:30:31,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 287. [2024-11-14 04:30:31,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 182 states have internal predecessors, (243), 78 states have call successors, (78), 30 states have call predecessors, (78), 30 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-14 04:30:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 398 transitions. [2024-11-14 04:30:31,013 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 398 transitions. Word has length 117 [2024-11-14 04:30:31,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:30:31,014 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 398 transitions. [2024-11-14 04:30:31,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-14 04:30:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 398 transitions. [2024-11-14 04:30:31,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-14 04:30:31,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:30:31,017 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:30:31,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:30:31,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:30:31,221 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:30:31,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:30:31,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1818539209, now seen corresponding path program 1 times [2024-11-14 04:30:31,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:30:31,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334733136] [2024-11-14 04:30:31,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:30:31,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:30:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:30:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-14 04:30:31,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:30:31,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334733136] [2024-11-14 04:30:31,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334733136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:30:31,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:30:31,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:30:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674892694] [2024-11-14 04:30:31,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:30:31,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:30:31,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:30:31,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:30:31,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:30:31,415 INFO L87 Difference]: Start difference. First operand 287 states and 398 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 04:30:31,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:30:31,643 INFO L93 Difference]: Finished difference Result 677 states and 976 transitions. [2024-11-14 04:30:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:30:31,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 122 [2024-11-14 04:30:31,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:30:31,646 INFO L225 Difference]: With dead ends: 677 [2024-11-14 04:30:31,646 INFO L226 Difference]: Without dead ends: 414 [2024-11-14 04:30:31,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:30:31,651 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 57 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:30:31,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 490 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:30:31,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-14 04:30:31,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 409. [2024-11-14 04:30:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 269 states have (on average 1.4237918215613383) internal successors, (383), 273 states have internal predecessors, (383), 109 states have call successors, (109), 30 states have call predecessors, (109), 30 states have return successors, (108), 107 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-14 04:30:31,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 600 transitions. [2024-11-14 04:30:31,784 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 600 transitions. Word has length 122 [2024-11-14 04:30:31,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:30:31,784 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 600 transitions. [2024-11-14 04:30:31,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 04:30:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 600 transitions. [2024-11-14 04:30:31,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-14 04:30:31,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:30:31,792 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:30:31,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:30:31,792 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:30:31,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:30:31,792 INFO L85 PathProgramCache]: Analyzing trace with hash 248855331, now seen corresponding path program 1 times [2024-11-14 04:30:31,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:30:31,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806641355] [2024-11-14 04:30:31,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:30:31,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:30:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:30:32,007 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:30:32,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:30:32,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806641355] [2024-11-14 04:30:32,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806641355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:30:32,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691618714] [2024-11-14 04:30:32,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:30:32,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:30:32,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:30:32,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:30:32,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:30:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:30:32,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:30:32,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:30:32,519 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:30:32,519 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:30:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:30:32,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691618714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:30:32,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1915176613] [2024-11-14 04:30:32,651 INFO L159 IcfgInterpreter]: Started Sifa with 93 locations of interest [2024-11-14 04:30:32,651 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:30:32,652 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:30:32,652 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:30:32,652 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:31:09,273 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-14 04:31:09,459 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 440 for LOIs [2024-11-14 04:31:10,722 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:31:35,328 WARN L286 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 440 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:31:46,812 WARN L286 SmtUtils]: Spent 11.07s on a formula simplification. DAG size of input: 464 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:32:30,356 WARN L286 SmtUtils]: Spent 10.69s on a formula simplification. DAG size of input: 457 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:32:42,295 WARN L286 SmtUtils]: Spent 10.75s on a formula simplification. DAG size of input: 458 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:33:05,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1915176613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:33:05,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:33:05,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-14 04:33:05,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966345083] [2024-11-14 04:33:05,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:33:05,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-14 04:33:05,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:33:05,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-14 04:33:05,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2024-11-14 04:33:05,246 INFO L87 Difference]: Start difference. First operand 409 states and 600 transitions. Second operand has 26 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-14 04:33:22,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:33:22,434 INFO L93 Difference]: Finished difference Result 828 states and 1243 transitions. [2024-11-14 04:33:22,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-14 04:33:22,437 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) Word has length 112 [2024-11-14 04:33:22,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:33:22,441 INFO L225 Difference]: With dead ends: 828 [2024-11-14 04:33:22,442 INFO L226 Difference]: Without dead ends: 482 [2024-11-14 04:33:22,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 118.0s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-14 04:33:22,444 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 43 mSDsluCounter, 2982 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3202 SdHoareTripleChecker+Invalid, 2566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:33:22,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3202 Invalid, 2566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2024-11-14 04:33:22,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-14 04:33:22,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 423. [2024-11-14 04:33:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 281 states have (on average 1.4234875444839858) internal successors, (400), 285 states have internal predecessors, (400), 110 states have call successors, (110), 31 states have call predecessors, (110), 31 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-14 04:33:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 619 transitions. [2024-11-14 04:33:22,572 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 619 transitions. Word has length 112 [2024-11-14 04:33:22,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:33:22,573 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 619 transitions. [2024-11-14 04:33:22,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-14 04:33:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 619 transitions. [2024-11-14 04:33:22,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-14 04:33:22,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:33:22,577 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:33:22,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 04:33:22,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-14 04:33:22,781 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:33:22,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:33:22,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1564269630, now seen corresponding path program 1 times [2024-11-14 04:33:22,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:33:22,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427116233] [2024-11-14 04:33:22,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:33:22,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:33:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:33:23,023 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:33:23,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:33:23,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427116233] [2024-11-14 04:33:23,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427116233] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:33:23,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581417779] [2024-11-14 04:33:23,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:33:23,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:33:23,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:33:23,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:33:23,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 04:33:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:33:23,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:33:23,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:33:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:33:23,660 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:33:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:33:23,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581417779] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:33:23,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1111094764] [2024-11-14 04:33:23,811 INFO L159 IcfgInterpreter]: Started Sifa with 98 locations of interest [2024-11-14 04:33:23,811 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:33:23,811 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:33:23,813 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:33:23,813 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:34:30,159 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-14 04:34:30,320 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 486 for LOIs [2024-11-14 04:34:31,420 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 495 for LOIs [2024-11-14 04:34:32,667 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 431 for LOIs [2024-11-14 04:34:33,145 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-14 04:34:33,304 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:35:43,446 WARN L286 SmtUtils]: Spent 14.07s on a formula simplification. DAG size of input: 515 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:35:57,782 WARN L286 SmtUtils]: Spent 13.42s on a formula simplification. DAG size of input: 516 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:36:20,410 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 496 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:36:26,285 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 501 DAG size of output: 497 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:36:32,617 WARN L286 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:36:38,729 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:37:01,489 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 482 DAG size of output: 478 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:37:01,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1111094764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:37:01,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:37:01,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-14 04:37:01,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063250288] [2024-11-14 04:37:01,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:37:01,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 04:37:01,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:37:01,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 04:37:01,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 04:37:01,496 INFO L87 Difference]: Start difference. First operand 423 states and 619 transitions. Second operand has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (23), 10 states have call predecessors, (23), 10 states have call successors, (23) [2024-11-14 04:37:30,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:37:30,782 INFO L93 Difference]: Finished difference Result 853 states and 1278 transitions. [2024-11-14 04:37:30,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 04:37:30,783 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (23), 10 states have call predecessors, (23), 10 states have call successors, (23) Word has length 115 [2024-11-14 04:37:30,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:37:30,788 INFO L225 Difference]: With dead ends: 853 [2024-11-14 04:37:30,788 INFO L226 Difference]: Without dead ends: 507 [2024-11-14 04:37:30,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 151.9s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2024-11-14 04:37:30,792 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 104 mSDsluCounter, 4274 mSDsCounter, 0 mSdLazyCounter, 4083 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 4496 SdHoareTripleChecker+Invalid, 4093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:37:30,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 4496 Invalid, 4093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 4083 Invalid, 0 Unknown, 0 Unchecked, 25.2s Time] [2024-11-14 04:37:30,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-14 04:37:31,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 459. [2024-11-14 04:37:31,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 311 states have (on average 1.4212218649517685) internal successors, (442), 315 states have internal predecessors, (442), 113 states have call successors, (113), 34 states have call predecessors, (113), 34 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-14 04:37:31,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 667 transitions. [2024-11-14 04:37:31,029 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 667 transitions. Word has length 115 [2024-11-14 04:37:31,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:37:31,029 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 667 transitions. [2024-11-14 04:37:31,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 10 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (23), 10 states have call predecessors, (23), 10 states have call successors, (23) [2024-11-14 04:37:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 667 transitions. [2024-11-14 04:37:31,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-14 04:37:31,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:37:31,037 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:37:31,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 04:37:31,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:37:31,238 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:37:31,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:37:31,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1156742856, now seen corresponding path program 1 times [2024-11-14 04:37:31,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:37:31,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326341184] [2024-11-14 04:37:31,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:37:31,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:37:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:37:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:37:31,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:37:31,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326341184] [2024-11-14 04:37:31,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326341184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:37:31,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361068061] [2024-11-14 04:37:31,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:37:31,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:37:31,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:37:31,475 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:37:31,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:37:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:37:32,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:37:32,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:37:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:37:32,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:37:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 04:37:32,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361068061] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:37:32,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [932628835] [2024-11-14 04:37:32,269 INFO L159 IcfgInterpreter]: Started Sifa with 104 locations of interest [2024-11-14 04:37:32,270 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:37:32,271 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:37:32,272 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:37:32,273 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:38:15,593 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-14 04:38:15,766 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-14 04:38:15,887 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:39:22,813 WARN L286 SmtUtils]: Spent 11.94s on a formula simplification. DAG size of input: 455 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:39:35,588 WARN L286 SmtUtils]: Spent 11.74s on a formula simplification. DAG size of input: 456 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:40:06,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [932628835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:40:06,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:40:06,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-14 04:40:06,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246881041] [2024-11-14 04:40:06,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:40:06,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-14 04:40:06,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:40:06,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-14 04:40:06,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=893, Unknown=0, NotChecked=0, Total=992 [2024-11-14 04:40:06,701 INFO L87 Difference]: Start difference. First operand 459 states and 667 transitions. Second operand has 27 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 18 states have internal predecessors, (65), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-14 04:40:24,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:40:24,178 INFO L93 Difference]: Finished difference Result 854 states and 1267 transitions. [2024-11-14 04:40:24,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-14 04:40:24,180 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 18 states have internal predecessors, (65), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) Word has length 125 [2024-11-14 04:40:24,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:40:24,184 INFO L225 Difference]: With dead ends: 854 [2024-11-14 04:40:24,184 INFO L226 Difference]: Without dead ends: 508 [2024-11-14 04:40:24,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 342 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 114.2s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-14 04:40:24,187 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 18 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3615 SdHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:40:24,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3615 Invalid, 2679 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2670 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2024-11-14 04:40:24,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-14 04:40:24,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 479. [2024-11-14 04:40:24,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 331 states have (on average 1.4259818731117824) internal successors, (472), 335 states have internal predecessors, (472), 113 states have call successors, (113), 34 states have call predecessors, (113), 34 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-14 04:40:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 697 transitions. [2024-11-14 04:40:24,475 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 697 transitions. Word has length 125 [2024-11-14 04:40:24,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:40:24,476 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 697 transitions. [2024-11-14 04:40:24,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 18 states have internal predecessors, (65), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-14 04:40:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 697 transitions. [2024-11-14 04:40:24,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-14 04:40:24,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:40:24,482 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 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] [2024-11-14 04:40:24,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:40:24,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-14 04:40:24,682 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:40:24,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:40:24,683 INFO L85 PathProgramCache]: Analyzing trace with hash 794965303, now seen corresponding path program 1 times [2024-11-14 04:40:24,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:40:24,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406553665] [2024-11-14 04:40:24,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:40:24,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:40:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:40:25,421 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-14 04:40:25,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:40:25,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406553665] [2024-11-14 04:40:25,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406553665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:40:25,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:40:25,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 04:40:25,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387287663] [2024-11-14 04:40:25,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:40:25,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:40:25,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:40:25,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:40:25,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-14 04:40:25,425 INFO L87 Difference]: Start difference. First operand 479 states and 697 transitions. Second operand has 12 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-14 04:40:27,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:40:27,138 INFO L93 Difference]: Finished difference Result 930 states and 1335 transitions. [2024-11-14 04:40:27,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 04:40:27,139 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 128 [2024-11-14 04:40:27,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:40:27,145 INFO L225 Difference]: With dead ends: 930 [2024-11-14 04:40:27,146 INFO L226 Difference]: Without dead ends: 813 [2024-11-14 04:40:27,147 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 04:40:27,148 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 256 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 1893 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:40:27,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 1893 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-14 04:40:27,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-14 04:40:27,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 806. [2024-11-14 04:40:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 538 states have (on average 1.436802973977695) internal successors, (773), 546 states have internal predecessors, (773), 207 states have call successors, (207), 61 states have call predecessors, (207), 60 states have return successors, (203), 202 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-14 04:40:27,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1183 transitions. [2024-11-14 04:40:27,535 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1183 transitions. Word has length 128 [2024-11-14 04:40:27,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:40:27,536 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1183 transitions. [2024-11-14 04:40:27,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-14 04:40:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1183 transitions. [2024-11-14 04:40:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:40:27,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:40:27,541 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2024-11-14 04:40:27,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 04:40:27,541 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:40:27,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:40:27,542 INFO L85 PathProgramCache]: Analyzing trace with hash -493928728, now seen corresponding path program 1 times [2024-11-14 04:40:27,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:40:27,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093467818] [2024-11-14 04:40:27,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:40:27,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:40:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:40:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-14 04:40:29,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:40:29,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093467818] [2024-11-14 04:40:29,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093467818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:40:29,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:40:29,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-14 04:40:29,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338083932] [2024-11-14 04:40:29,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:40:29,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 04:40:29,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:40:29,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 04:40:29,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-14 04:40:29,034 INFO L87 Difference]: Start difference. First operand 806 states and 1183 transitions. Second operand has 18 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 13 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2024-11-14 04:40:31,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:40:31,577 INFO L93 Difference]: Finished difference Result 1377 states and 1918 transitions. [2024-11-14 04:40:31,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-14 04:40:31,578 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 13 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) Word has length 117 [2024-11-14 04:40:31,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:40:31,586 INFO L225 Difference]: With dead ends: 1377 [2024-11-14 04:40:31,586 INFO L226 Difference]: Without dead ends: 1147 [2024-11-14 04:40:31,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-11-14 04:40:31,590 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 329 mSDsluCounter, 2002 mSDsCounter, 0 mSdLazyCounter, 2496 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 2582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:40:31,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 2214 Invalid, 2582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2496 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-14 04:40:31,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2024-11-14 04:40:31,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1135. [2024-11-14 04:40:31,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 715 states have (on average 1.3776223776223777) internal successors, (985), 736 states have internal predecessors, (985), 317 states have call successors, (317), 102 states have call predecessors, (317), 102 states have return successors, (316), 308 states have call predecessors, (316), 306 states have call successors, (316) [2024-11-14 04:40:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1618 transitions. [2024-11-14 04:40:31,943 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1618 transitions. Word has length 117 [2024-11-14 04:40:31,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:40:31,944 INFO L471 AbstractCegarLoop]: Abstraction has 1135 states and 1618 transitions. [2024-11-14 04:40:31,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 13 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2024-11-14 04:40:31,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1618 transitions. [2024-11-14 04:40:31,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-14 04:40:31,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:40:31,949 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 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] [2024-11-14 04:40:31,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 04:40:31,950 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:40:31,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:40:31,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1730165968, now seen corresponding path program 1 times [2024-11-14 04:40:31,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:40:31,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780643252] [2024-11-14 04:40:31,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:40:31,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:40:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:40:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-14 04:40:32,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:40:32,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780643252] [2024-11-14 04:40:32,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780643252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:40:32,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994835944] [2024-11-14 04:40:32,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:40:32,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:40:32,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:40:32,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:40:32,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd058354-7877-4438-ae97-c9c7102f989c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 04:40:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:40:32,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:40:32,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:40:32,869 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-14 04:40:32,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:40:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-14 04:40:33,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994835944] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:40:33,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [477907459] [2024-11-14 04:40:33,015 INFO L159 IcfgInterpreter]: Started Sifa with 111 locations of interest [2024-11-14 04:40:33,015 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:40:33,016 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:40:33,016 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:40:33,016 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:41:16,698 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-14 04:41:16,863 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 249 for LOIs [2024-11-14 04:41:19,435 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 223 for LOIs [2024-11-14 04:41:19,551 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 440 for LOIs [2024-11-14 04:41:20,863 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 247 for LOIs [2024-11-14 04:41:23,929 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Encrypt with input of size 252 for LOIs [2024-11-14 04:41:38,647 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 249 for LOIs [2024-11-14 04:41:39,994 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 249 for LOIs [2024-11-14 04:41:40,122 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 254 for LOIs [2024-11-14 04:41:40,906 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 240 for LOIs [2024-11-14 04:41:41,067 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailFrom with input of size 242 for LOIs [2024-11-14 04:41:41,161 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 226 for LOIs [2024-11-14 04:41:41,249 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 240 for LOIs [2024-11-14 04:41:41,343 INFO L197 IcfgInterpreter]: Interpreting procedure isSigned with input of size 240 for LOIs [2024-11-14 04:41:41,451 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 228 for LOIs [2024-11-14 04:41:41,546 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:42:08,442 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification. DAG size of input: 440 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:42:21,007 WARN L286 SmtUtils]: Spent 12.12s on a formula simplification. DAG size of input: 464 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)