./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje --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 cc6bd9a8e81eed69bb1e052a3e58ea0f1400924f4533cb09f3cdffebd7dfcd4d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:23:31,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:23:31,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:23:31,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:23:31,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:23:31,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:23:31,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:23:31,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:23:31,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:23:31,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:23:31,426 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:23:31,426 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:23:31,427 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:23:31,427 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:23:31,428 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:23:31,430 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:23:31,431 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:23:31,431 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:23:31,432 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:23:31,432 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:23:31,432 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:23:31,437 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:23:31,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:23:31,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:23:31,438 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:23:31,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:23:31,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:23:31,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:23:31,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:23:31,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:23:31,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:23:31,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:23:31,443 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:23:31,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:23:31,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:23:31,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:23:31,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:23:31,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:23:31,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:23:31,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:23:31,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:23:31,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:23:31,448 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:23:31,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:23:31,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:23:31,449 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:23:31,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:23:31,450 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc6bd9a8e81eed69bb1e052a3e58ea0f1400924f4533cb09f3cdffebd7dfcd4d [2024-11-09 06:23:31,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:23:31,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:23:31,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:23:31,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:23:31,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:23:31,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec7_product17.cil.c Unable to find full path for "g++" [2024-11-09 06:23:34,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:23:34,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:23:34,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c [2024-11-09 06:23:34,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/data/751b71993/f25379dfe1ba4eecaf2bd5ec5a28612c/FLAGb8ab11ed1 [2024-11-09 06:23:34,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/data/751b71993/f25379dfe1ba4eecaf2bd5ec5a28612c [2024-11-09 06:23:34,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:23:34,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:23:34,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:23:34,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:23:34,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:23:34,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:23:34" (1/1) ... [2024-11-09 06:23:34,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495d45be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:34, skipping insertion in model container [2024-11-09 06:23:34,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:23:34" (1/1) ... [2024-11-09 06:23:34,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:23:35,633 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_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c[48205,48218] [2024-11-09 06:23:35,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:23:35,738 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:23:35,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [48] [2024-11-09 06:23:35,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [79] [2024-11-09 06:23:35,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [445] [2024-11-09 06:23:35,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [463] [2024-11-09 06:23:35,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1543] [2024-11-09 06:23:35,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1955] [2024-11-09 06:23:35,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2053] [2024-11-09 06:23:35,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2091] [2024-11-09 06:23:35,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2100] [2024-11-09 06:23:35,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2325] [2024-11-09 06:23:35,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2610] [2024-11-09 06:23:35,941 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_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c[48205,48218] [2024-11-09 06:23:35,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:23:36,051 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:23:36,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36 WrapperNode [2024-11-09 06:23:36,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:23:36,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:23:36,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:23:36,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:23:36,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (1/1) ... [2024-11-09 06:23:36,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (1/1) ... [2024-11-09 06:23:36,210 INFO L138 Inliner]: procedures = 127, calls = 191, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 917 [2024-11-09 06:23:36,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:23:36,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:23:36,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:23:36,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:23:36,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (1/1) ... [2024-11-09 06:23:36,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (1/1) ... [2024-11-09 06:23:36,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (1/1) ... [2024-11-09 06:23:36,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (1/1) ... [2024-11-09 06:23:36,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (1/1) ... [2024-11-09 06:23:36,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (1/1) ... [2024-11-09 06:23:36,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (1/1) ... [2024-11-09 06:23:36,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (1/1) ... [2024-11-09 06:23:36,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:23:36,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:23:36,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:23:36,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:23:36,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (1/1) ... [2024-11-09 06:23:36,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:23:36,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:23:36,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:23:36,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:23:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 06:23:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 06:23:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 06:23:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 06:23:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2024-11-09 06:23:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2024-11-09 06:23:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 06:23:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 06:23:36,426 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 06:23:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 06:23:36,426 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 06:23:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 06:23:36,426 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 06:23:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 06:23:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 06:23:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 06:23:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 06:23:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 06:23:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 06:23:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 06:23:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 06:23:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 06:23:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:23:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 06:23:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 06:23:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 06:23:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 06:23:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 06:23:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 06:23:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 06:23:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 06:23:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 06:23:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 06:23:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 06:23:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 06:23:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 06:23:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 06:23:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 06:23:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 06:23:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:23:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 06:23:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 06:23:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 06:23:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 06:23:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:23:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:23:36,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:23:36,754 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:23:38,096 INFO L? ?]: Removed 466 outVars from TransFormulas that were not future-live. [2024-11-09 06:23:38,096 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:23:38,885 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:23:38,886 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:23:38,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:23:38 BoogieIcfgContainer [2024-11-09 06:23:38,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:23:38,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:23:38,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:23:38,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:23:38,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:23:34" (1/3) ... [2024-11-09 06:23:38,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a73213a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:23:38, skipping insertion in model container [2024-11-09 06:23:38,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:23:36" (2/3) ... [2024-11-09 06:23:38,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a73213a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:23:38, skipping insertion in model container [2024-11-09 06:23:38,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:23:38" (3/3) ... [2024-11-09 06:23:38,899 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product17.cil.c [2024-11-09 06:23:38,922 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:23:38,922 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:23:39,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:23:39,044 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;@27442ed3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:23:39,044 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:23:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 98 states have internal predecessors, (127), 48 states have call successors, (48), 21 states have call predecessors, (48), 21 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-09 06:23:39,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 06:23:39,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:39,069 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:23:39,069 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:39,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:39,078 INFO L85 PathProgramCache]: Analyzing trace with hash -615156186, now seen corresponding path program 1 times [2024-11-09 06:23:39,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:39,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932764476] [2024-11-09 06:23:39,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:39,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:23:39,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:39,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932764476] [2024-11-09 06:23:39,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932764476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:39,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:39,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:23:39,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95423266] [2024-11-09 06:23:39,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:39,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:23:39,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:39,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:23:39,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:23:39,584 INFO L87 Difference]: Start difference. First operand has 166 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 98 states have internal predecessors, (127), 48 states have call successors, (48), 21 states have call predecessors, (48), 21 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:23:39,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:39,755 INFO L93 Difference]: Finished difference Result 240 states and 317 transitions. [2024-11-09 06:23:39,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:23:39,758 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 60 [2024-11-09 06:23:39,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:39,771 INFO L225 Difference]: With dead ends: 240 [2024-11-09 06:23:39,772 INFO L226 Difference]: Without dead ends: 163 [2024-11-09 06:23:39,778 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 [2024-11-09 06:23:39,784 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:39,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:23:39,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-09 06:23:39,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-09 06:23:39,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 95 states have internal predecessors, (121), 48 states have call successors, (48), 21 states have call predecessors, (48), 21 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 06:23:39,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 216 transitions. [2024-11-09 06:23:39,874 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 216 transitions. Word has length 60 [2024-11-09 06:23:39,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:39,876 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 216 transitions. [2024-11-09 06:23:39,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:23:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 216 transitions. [2024-11-09 06:23:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 06:23:39,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:39,883 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:23:39,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:23:39,884 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:39,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:39,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1305538635, now seen corresponding path program 1 times [2024-11-09 06:23:39,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:39,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209548412] [2024-11-09 06:23:39,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:39,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:40,166 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:23:40,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:40,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209548412] [2024-11-09 06:23:40,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209548412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:40,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:40,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:23:40,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420997987] [2024-11-09 06:23:40,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:40,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:23:40,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:40,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:23:40,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:40,172 INFO L87 Difference]: Start difference. First operand 163 states and 216 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:23:40,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:40,351 INFO L93 Difference]: Finished difference Result 236 states and 302 transitions. [2024-11-09 06:23:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:23:40,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 61 [2024-11-09 06:23:40,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:40,357 INFO L225 Difference]: With dead ends: 236 [2024-11-09 06:23:40,357 INFO L226 Difference]: Without dead ends: 165 [2024-11-09 06:23:40,360 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 [2024-11-09 06:23:40,361 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:40,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 369 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:23:40,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-09 06:23:40,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-09 06:23:40,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 97 states have internal predecessors, (123), 48 states have call successors, (48), 21 states have call predecessors, (48), 21 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 06:23:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 218 transitions. [2024-11-09 06:23:40,394 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 218 transitions. Word has length 61 [2024-11-09 06:23:40,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:40,400 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 218 transitions. [2024-11-09 06:23:40,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:23:40,400 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 218 transitions. [2024-11-09 06:23:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 06:23:40,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:40,406 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:23:40,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:23:40,406 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:40,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:40,407 INFO L85 PathProgramCache]: Analyzing trace with hash -2098025719, now seen corresponding path program 1 times [2024-11-09 06:23:40,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:40,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172701838] [2024-11-09 06:23:40,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:40,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:23:40,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:40,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172701838] [2024-11-09 06:23:40,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172701838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:40,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:40,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:23:40,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849524308] [2024-11-09 06:23:40,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:40,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:23:40,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:40,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:23:40,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:40,648 INFO L87 Difference]: Start difference. First operand 165 states and 218 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:23:40,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:40,806 INFO L93 Difference]: Finished difference Result 365 states and 503 transitions. [2024-11-09 06:23:40,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:23:40,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 66 [2024-11-09 06:23:40,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:40,811 INFO L225 Difference]: With dead ends: 365 [2024-11-09 06:23:40,811 INFO L226 Difference]: Without dead ends: 218 [2024-11-09 06:23:40,813 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 [2024-11-09 06:23:40,814 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 59 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:40,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 380 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:23:40,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-09 06:23:40,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 213. [2024-11-09 06:23:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 129 states have (on average 1.37984496124031) internal successors, (178), 131 states have internal predecessors, (178), 62 states have call successors, (62), 21 states have call predecessors, (62), 21 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-09 06:23:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 301 transitions. [2024-11-09 06:23:40,842 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 301 transitions. Word has length 66 [2024-11-09 06:23:40,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:40,843 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 301 transitions. [2024-11-09 06:23:40,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:23:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 301 transitions. [2024-11-09 06:23:40,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 06:23:40,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:40,847 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:23:40,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:23:40,848 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:40,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:40,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1283560581, now seen corresponding path program 1 times [2024-11-09 06:23:40,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:40,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796950184] [2024-11-09 06:23:40,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:40,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:23:41,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:41,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796950184] [2024-11-09 06:23:41,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796950184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:23:41,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232965460] [2024-11-09 06:23:41,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:41,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:23:41,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:23:41,041 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:23:41,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:23:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:41,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:23:41,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:23:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:23:41,564 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:23:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:23:41,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232965460] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:23:41,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1728729188] [2024-11-09 06:23:41,710 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2024-11-09 06:23:41,710 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:23:41,714 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:23:41,720 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:23:41,721 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:24:17,394 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 06:24:17,558 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 06:24:17,767 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:25:31,137 WARN L286 SmtUtils]: Spent 12.95s on a formula simplification. DAG size of input: 450 DAG size of output: 450 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:25:36,719 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 449 DAG size of output: 447 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:25:46,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1728729188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:25:46,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:25:46,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 06:25:46,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983683433] [2024-11-09 06:25:46,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:25:46,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 06:25:46,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:25:46,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 06:25:46,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 06:25:46,971 INFO L87 Difference]: Start difference. First operand 213 states and 301 transitions. Second operand has 23 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 14 states have internal predecessors, (34), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 06:26:00,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:26:00,859 INFO L93 Difference]: Finished difference Result 441 states and 640 transitions. [2024-11-09 06:26:00,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 06:26:00,860 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 14 states have internal predecessors, (34), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 67 [2024-11-09 06:26:00,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:26:00,863 INFO L225 Difference]: With dead ends: 441 [2024-11-09 06:26:00,864 INFO L226 Difference]: Without dead ends: 246 [2024-11-09 06:26:00,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 93.4s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-09 06:26:00,866 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 26 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 1715 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2240 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:26:00,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2240 Invalid, 1725 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 1715 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-11-09 06:26:00,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-09 06:26:00,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 236. [2024-11-09 06:26:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 151 states have (on average 1.3973509933774835) internal successors, (211), 153 states have internal predecessors, (211), 62 states have call successors, (62), 22 states have call predecessors, (62), 22 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-09 06:26:00,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 334 transitions. [2024-11-09 06:26:00,948 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 334 transitions. Word has length 67 [2024-11-09 06:26:00,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:26:00,949 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 334 transitions. [2024-11-09 06:26:00,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 14 states have internal predecessors, (34), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 06:26:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 334 transitions. [2024-11-09 06:26:00,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 06:26:00,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:00,953 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:26:00,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:26:01,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:26:01,155 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:26:01,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:01,155 INFO L85 PathProgramCache]: Analyzing trace with hash -416063677, now seen corresponding path program 1 times [2024-11-09 06:26:01,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:26:01,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330990792] [2024-11-09 06:26:01,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:01,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:26:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:26:01,323 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:26:01,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:26:01,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330990792] [2024-11-09 06:26:01,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330990792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:26:01,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:26:01,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:26:01,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939229365] [2024-11-09 06:26:01,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:26:01,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:26:01,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:26:01,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:26:01,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:26:01,334 INFO L87 Difference]: Start difference. First operand 236 states and 334 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 06:26:01,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:26:01,568 INFO L93 Difference]: Finished difference Result 575 states and 848 transitions. [2024-11-09 06:26:01,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:26:01,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 72 [2024-11-09 06:26:01,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:26:01,574 INFO L225 Difference]: With dead ends: 575 [2024-11-09 06:26:01,574 INFO L226 Difference]: Without dead ends: 363 [2024-11-09 06:26:01,576 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 [2024-11-09 06:26:01,577 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 57 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:26:01,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 385 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:26:01,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-09 06:26:01,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 358. [2024-11-09 06:26:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 242 states have (on average 1.4504132231404958) internal successors, (351), 244 states have internal predecessors, (351), 93 states have call successors, (93), 22 states have call predecessors, (93), 22 states have return successors, (92), 91 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-09 06:26:01,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 536 transitions. [2024-11-09 06:26:01,692 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 536 transitions. Word has length 72 [2024-11-09 06:26:01,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:26:01,693 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 536 transitions. [2024-11-09 06:26:01,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 06:26:01,694 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 536 transitions. [2024-11-09 06:26:01,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 06:26:01,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:01,697 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:26:01,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:26:01,698 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:26:01,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:01,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1413953646, now seen corresponding path program 1 times [2024-11-09 06:26:01,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:26:01,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726690565] [2024-11-09 06:26:01,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:01,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:26:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:26:01,893 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:26:01,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:26:01,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726690565] [2024-11-09 06:26:01,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726690565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:26:01,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977836769] [2024-11-09 06:26:01,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:01,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:26:01,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:26:01,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:26:01,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:26:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:26:02,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:26:02,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:26:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:26:02,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:26:02,479 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:26:02,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977836769] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:26:02,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1552066036] [2024-11-09 06:26:02,484 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 06:26:02,484 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:26:02,485 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:26:02,485 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:26:02,485 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:26:49,062 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 06:26:49,301 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 431 for LOIs [2024-11-09 06:26:50,814 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:27:20,164 WARN L286 SmtUtils]: Spent 9.09s on a formula simplification. DAG size of input: 431 DAG size of output: 432 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:27:33,902 WARN L286 SmtUtils]: Spent 13.40s on a formula simplification. DAG size of input: 455 DAG size of output: 450 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:28:26,818 WARN L286 SmtUtils]: Spent 13.11s on a formula simplification. DAG size of input: 452 DAG size of output: 452 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:28:37,519 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 455 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:28:43,107 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 455 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:28:58,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1552066036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:28:58,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:28:58,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 06:28:58,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758923625] [2024-11-09 06:28:58,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:28:58,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 06:28:58,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:28:58,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 06:28:58,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 06:28:58,266 INFO L87 Difference]: Start difference. First operand 358 states and 536 transitions. Second operand has 26 states, 17 states have (on average 2.176470588235294) internal successors, (37), 16 states have internal predecessors, (37), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 06:29:11,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:11,587 INFO L93 Difference]: Finished difference Result 726 states and 1115 transitions. [2024-11-09 06:29:11,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 06:29:11,588 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.176470588235294) internal successors, (37), 16 states have internal predecessors, (37), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 73 [2024-11-09 06:29:11,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:11,592 INFO L225 Difference]: With dead ends: 726 [2024-11-09 06:29:11,592 INFO L226 Difference]: Without dead ends: 431 [2024-11-09 06:29:11,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 127.4s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 06:29:11,595 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 43 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 2263 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2600 SdHoareTripleChecker+Invalid, 2271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:11,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 2600 Invalid, 2271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2263 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2024-11-09 06:29:11,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-09 06:29:11,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 372. [2024-11-09 06:29:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 254 states have (on average 1.4488188976377954) internal successors, (368), 256 states have internal predecessors, (368), 94 states have call successors, (94), 23 states have call predecessors, (94), 23 states have return successors, (93), 92 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-09 06:29:11,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 555 transitions. [2024-11-09 06:29:11,780 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 555 transitions. Word has length 73 [2024-11-09 06:29:11,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:11,781 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 555 transitions. [2024-11-09 06:29:11,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.176470588235294) internal successors, (37), 16 states have internal predecessors, (37), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 06:29:11,781 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 555 transitions. [2024-11-09 06:29:11,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 06:29:11,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:11,785 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:11,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:29:11,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 06:29:11,986 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:11,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:11,987 INFO L85 PathProgramCache]: Analyzing trace with hash 743356866, now seen corresponding path program 1 times [2024-11-09 06:29:11,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:29:11,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136597208] [2024-11-09 06:29:11,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:11,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:29:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:29:12,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:29:12,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136597208] [2024-11-09 06:29:12,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136597208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:29:12,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125972563] [2024-11-09 06:29:12,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:12,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:29:12,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:29:12,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:29:12,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:29:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:12,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:29:12,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:12,890 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:29:12,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:29:13,007 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:29:13,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125972563] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:29:13,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1191003460] [2024-11-09 06:29:13,014 INFO L159 IcfgInterpreter]: Started Sifa with 65 locations of interest [2024-11-09 06:29:13,018 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:29:13,019 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:29:13,019 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:29:13,019 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:30:41,656 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 06:30:41,799 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 477 for LOIs [2024-11-09 06:30:42,991 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 486 for LOIs [2024-11-09 06:30:44,108 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 422 for LOIs [2024-11-09 06:30:44,557 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 06:30:44,754 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:31:55,612 WARN L286 SmtUtils]: Spent 14.46s on a formula simplification. DAG size of input: 510 DAG size of output: 505 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:32:01,812 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 511 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:32:23,498 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 491 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:32:29,913 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 496 DAG size of output: 492 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:32:36,149 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:32:42,267 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:32:48,594 WARN L286 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:32:54,645 WARN L286 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 477 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:33:00,680 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 477 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:33:06,920 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 477 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:33:06,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1191003460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:33:06,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:33:06,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 06:33:06,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242089232] [2024-11-09 06:33:06,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:33:06,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 06:33:06,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:33:06,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 06:33:06,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 06:33:06,929 INFO L87 Difference]: Start difference. First operand 372 states and 555 transitions. Second operand has 33 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-09 06:33:28,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:33:28,503 INFO L93 Difference]: Finished difference Result 751 states and 1150 transitions. [2024-11-09 06:33:28,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 06:33:28,504 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) Word has length 76 [2024-11-09 06:33:28,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:33:28,509 INFO L225 Difference]: With dead ends: 751 [2024-11-09 06:33:28,509 INFO L226 Difference]: Without dead ends: 456 [2024-11-09 06:33:28,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 145.9s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 06:33:28,512 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 104 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 2875 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 2717 SdHoareTripleChecker+Invalid, 2885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:33:28,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 2717 Invalid, 2885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2875 Invalid, 0 Unknown, 0 Unchecked, 17.5s Time] [2024-11-09 06:33:28,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-09 06:33:28,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 408. [2024-11-09 06:33:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 284 states have (on average 1.443661971830986) internal successors, (410), 286 states have internal predecessors, (410), 97 states have call successors, (97), 26 states have call predecessors, (97), 26 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-09 06:33:28,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 603 transitions. [2024-11-09 06:33:28,688 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 603 transitions. Word has length 76 [2024-11-09 06:33:28,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:33:28,689 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 603 transitions. [2024-11-09 06:33:28,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-09 06:33:28,690 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 603 transitions. [2024-11-09 06:33:28,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 06:33:28,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:33:28,693 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:33:28,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 06:33:28,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:33:28,894 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:33:28,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:33:28,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1154978984, now seen corresponding path program 1 times [2024-11-09 06:33:28,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:33:28,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630532589] [2024-11-09 06:33:28,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:33:28,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:33:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:33:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:33:29,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:33:29,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630532589] [2024-11-09 06:33:29,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630532589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:33:29,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268943293] [2024-11-09 06:33:29,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:33:29,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:33:29,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:33:29,092 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:33:29,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:33:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:33:29,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:33:29,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:33:29,580 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:33:29,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:33:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:33:29,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268943293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:33:29,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2077969630] [2024-11-09 06:33:29,679 INFO L159 IcfgInterpreter]: Started Sifa with 64 locations of interest [2024-11-09 06:33:29,680 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:33:29,680 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:33:29,680 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:33:29,680 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:34:11,812 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 06:34:11,946 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 06:34:12,124 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:35:21,641 WARN L286 SmtUtils]: Spent 12.60s on a formula simplification. DAG size of input: 450 DAG size of output: 450 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:35:55,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2077969630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:35:55,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:35:55,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 06:35:55,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198544249] [2024-11-09 06:35:55,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:35:55,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 06:35:55,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:35:55,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 06:35:55,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 06:35:55,159 INFO L87 Difference]: Start difference. First operand 408 states and 603 transitions. Second operand has 27 states, 19 states have (on average 2.210526315789474) internal successors, (42), 18 states have internal predecessors, (42), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 06:36:10,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:36:10,685 INFO L93 Difference]: Finished difference Result 752 states and 1139 transitions. [2024-11-09 06:36:10,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 06:36:10,686 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.210526315789474) internal successors, (42), 18 states have internal predecessors, (42), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 75 [2024-11-09 06:36:10,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:36:10,690 INFO L225 Difference]: With dead ends: 752 [2024-11-09 06:36:10,690 INFO L226 Difference]: Without dead ends: 457 [2024-11-09 06:36:10,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 106.4s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 06:36:10,691 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 18 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 2492 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2530 SdHoareTripleChecker+Invalid, 2501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:36:10,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2530 Invalid, 2501 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2492 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2024-11-09 06:36:10,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-09 06:36:10,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 428. [2024-11-09 06:36:10,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 304 states have (on average 1.4473684210526316) internal successors, (440), 306 states have internal predecessors, (440), 97 states have call successors, (97), 26 states have call predecessors, (97), 26 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-09 06:36:10,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 633 transitions. [2024-11-09 06:36:10,853 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 633 transitions. Word has length 75 [2024-11-09 06:36:10,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:36:10,853 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 633 transitions. [2024-11-09 06:36:10,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.210526315789474) internal successors, (42), 18 states have internal predecessors, (42), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 06:36:10,854 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 633 transitions. [2024-11-09 06:36:10,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 06:36:10,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:36:10,856 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:36:10,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:36:11,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:36:11,057 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:36:11,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:36:11,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1739787197, now seen corresponding path program 1 times [2024-11-09 06:36:11,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:36:11,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050355410] [2024-11-09 06:36:11,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:36:11,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:36:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 06:36:11,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:36:11,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050355410] [2024-11-09 06:36:11,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050355410] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:36:11,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589188565] [2024-11-09 06:36:11,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:36:11,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:36:11,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:36:11,246 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:36:11,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac5ab2f9-28b6-4b31-b324-1e3d5ef83ea5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:36:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:36:11,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:36:11,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:36:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:36:11,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:36:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:36:11,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589188565] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:36:11,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [851784486] [2024-11-09 06:36:11,803 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 06:36:11,803 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:36:11,803 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:36:11,804 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:36:11,804 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:36:51,550 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 06:36:51,694 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 431 for LOIs [2024-11-09 06:36:53,313 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 241 for LOIs [2024-11-09 06:36:55,882 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 223 for LOIs [2024-11-09 06:36:55,982 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 239 for LOIs [2024-11-09 06:36:57,813 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 228 for LOIs [2024-11-09 06:36:57,909 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Keys with input of size 244 for LOIs [2024-11-09 06:37:02,744 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 247 for LOIs [2024-11-09 06:37:02,867 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 247 for LOIs [2024-11-09 06:37:03,013 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 234 for LOIs [2024-11-09 06:37:03,111 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:37:28,327 WARN L286 SmtUtils]: Spent 7.82s on a formula simplification. DAG size of input: 431 DAG size of output: 432 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:37:40,044 WARN L286 SmtUtils]: Spent 11.17s on a formula simplification. DAG size of input: 455 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)