./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/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_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/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_f775803f-d229-4519-a8af-a13908729628/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 bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:38:08,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:38:08,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:38:08,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:38:08,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:38:08,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:38:08,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:38:08,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:38:08,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:38:08,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:38:08,672 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:38:08,673 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:38:08,673 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:38:08,674 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:38:08,674 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:38:08,675 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:38:08,675 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:38:08,675 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:38:08,676 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:38:08,676 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:38:08,677 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:38:08,677 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:38:08,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:38:08,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:38:08,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:38:08,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:38:08,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:38:08,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:38:08,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:38:08,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:38:08,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:38:08,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:38:08,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:38:08,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:38:08,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:38:08,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:38:08,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:38:08,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:38:08,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:38:08,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:38:08,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:38:08,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:38:08,689 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:38:08,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:38:08,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:38:08,690 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:38:08,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:38:08,690 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_f775803f-d229-4519-a8af-a13908729628/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be [2024-11-09 05:38:08,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:38:08,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:38:08,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:38:08,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:38:08,999 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:38:09,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c Unable to find full path for "g++" [2024-11-09 05:38:11,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:38:11,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:38:11,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2024-11-09 05:38:11,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/data/619443fc6/3def48269afb4104b8bc00a21ef3531a/FLAG87a55b2e3 [2024-11-09 05:38:11,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/data/619443fc6/3def48269afb4104b8bc00a21ef3531a [2024-11-09 05:38:11,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:38:11,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:38:11,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:38:11,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:38:11,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:38:11,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:38:11" (1/1) ... [2024-11-09 05:38:11,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5296a94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:11, skipping insertion in model container [2024-11-09 05:38:11,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:38:11" (1/1) ... [2024-11-09 05:38:11,542 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:38:12,153 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_f775803f-d229-4519-a8af-a13908729628/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c[43937,43950] [2024-11-09 05:38:12,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:38:12,346 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:38:12,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-09 05:38:12,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [368] [2024-11-09 05:38:12,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [419] [2024-11-09 05:38:12,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1488] [2024-11-09 05:38:12,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1523] [2024-11-09 05:38:12,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1803] [2024-11-09 05:38:12,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2019] [2024-11-09 05:38:12,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2036] [2024-11-09 05:38:12,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2045] [2024-11-09 05:38:12,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2151] [2024-11-09 05:38:12,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2517] [2024-11-09 05:38:12,426 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_f775803f-d229-4519-a8af-a13908729628/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c[43937,43950] [2024-11-09 05:38:12,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:38:12,529 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:38:12,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12 WrapperNode [2024-11-09 05:38:12,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:38:12,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:38:12,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:38:12,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:38:12,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (1/1) ... [2024-11-09 05:38:12,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (1/1) ... [2024-11-09 05:38:12,640 INFO L138 Inliner]: procedures = 126, calls = 194, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 877 [2024-11-09 05:38:12,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:38:12,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:38:12,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:38:12,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:38:12,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (1/1) ... [2024-11-09 05:38:12,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (1/1) ... [2024-11-09 05:38:12,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (1/1) ... [2024-11-09 05:38:12,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (1/1) ... [2024-11-09 05:38:12,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (1/1) ... [2024-11-09 05:38:12,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (1/1) ... [2024-11-09 05:38:12,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (1/1) ... [2024-11-09 05:38:12,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (1/1) ... [2024-11-09 05:38:12,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:38:12,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:38:12,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:38:12,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:38:12,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (1/1) ... [2024-11-09 05:38:12,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:38:12,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:38:12,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:38:12,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:38:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 05:38:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 05:38:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 05:38:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 05:38:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 05:38:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 05:38:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 05:38:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 05:38:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 05:38:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 05:38:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 05:38:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 05:38:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 05:38:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 05:38:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 05:38:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 05:38:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 05:38:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 05:38:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 05:38:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 05:38:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 05:38:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 05:38:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:38:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 05:38:12,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 05:38:12,865 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 05:38:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 05:38:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 05:38:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 05:38:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 05:38:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 05:38:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 05:38:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 05:38:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-09 05:38:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-09 05:38:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 05:38:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 05:38:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 05:38:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 05:38:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 05:38:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 05:38:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 05:38:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 05:38:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:38:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 05:38:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 05:38:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 05:38:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 05:38:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:38:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:38:13,128 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:38:13,131 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:38:14,206 INFO L? ?]: Removed 438 outVars from TransFormulas that were not future-live. [2024-11-09 05:38:14,206 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:38:14,925 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:38:14,925 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:38:14,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:38:14 BoogieIcfgContainer [2024-11-09 05:38:14,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:38:14,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:38:14,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:38:14,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:38:14,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:38:11" (1/3) ... [2024-11-09 05:38:14,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b541c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:38:14, skipping insertion in model container [2024-11-09 05:38:14,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:12" (2/3) ... [2024-11-09 05:38:14,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b541c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:38:14, skipping insertion in model container [2024-11-09 05:38:14,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:38:14" (3/3) ... [2024-11-09 05:38:14,938 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product14.cil.c [2024-11-09 05:38:14,961 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:38:14,961 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:38:15,062 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:38:15,071 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;@4028c17a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:38:15,071 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:38:15,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 109 states have internal predecessors, (138), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-09 05:38:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 05:38:15,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:15,097 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:15,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:15,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:15,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1265466821, now seen corresponding path program 1 times [2024-11-09 05:38:15,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:15,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452680416] [2024-11-09 05:38:15,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:15,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:15,629 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:38:15,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:15,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452680416] [2024-11-09 05:38:15,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452680416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:15,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:15,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:38:15,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077133697] [2024-11-09 05:38:15,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:15,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:38:15,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:15,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:38:15,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:38:15,673 INFO L87 Difference]: Start difference. First operand has 185 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 109 states have internal predecessors, (138), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:38:15,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:15,840 INFO L93 Difference]: Finished difference Result 278 states and 371 transitions. [2024-11-09 05:38:15,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:38:15,843 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 79 [2024-11-09 05:38:15,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:15,857 INFO L225 Difference]: With dead ends: 278 [2024-11-09 05:38:15,858 INFO L226 Difference]: Without dead ends: 182 [2024-11-09 05:38:15,863 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 05:38:15,869 INFO L432 NwaCegarLoop]: 215 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, 215 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 05:38:15,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:38:15,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-09 05:38:15,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-09 05:38:15,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 102 states have (on average 1.2941176470588236) internal successors, (132), 106 states have internal predecessors, (132), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 05:38:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 243 transitions. [2024-11-09 05:38:15,934 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 243 transitions. Word has length 79 [2024-11-09 05:38:15,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:15,936 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 243 transitions. [2024-11-09 05:38:15,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:38:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 243 transitions. [2024-11-09 05:38:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 05:38:15,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:15,945 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:15,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:38:15,946 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:15,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:15,950 INFO L85 PathProgramCache]: Analyzing trace with hash 133475734, now seen corresponding path program 1 times [2024-11-09 05:38:15,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:15,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387659577] [2024-11-09 05:38:15,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:15,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:38:16,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:16,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387659577] [2024-11-09 05:38:16,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387659577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:16,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:16,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:38:16,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771595672] [2024-11-09 05:38:16,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:16,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:38:16,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:16,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:38:16,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:38:16,294 INFO L87 Difference]: Start difference. First operand 182 states and 243 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:38:16,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:16,479 INFO L93 Difference]: Finished difference Result 274 states and 356 transitions. [2024-11-09 05:38:16,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:38:16,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 80 [2024-11-09 05:38:16,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:16,484 INFO L225 Difference]: With dead ends: 274 [2024-11-09 05:38:16,485 INFO L226 Difference]: Without dead ends: 184 [2024-11-09 05:38:16,489 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 05:38:16,490 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 0 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 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 05:38:16,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:38:16,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-09 05:38:16,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-09 05:38:16,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 104 states have (on average 1.2884615384615385) internal successors, (134), 108 states have internal predecessors, (134), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 05:38:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 245 transitions. [2024-11-09 05:38:16,526 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 245 transitions. Word has length 80 [2024-11-09 05:38:16,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:16,527 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 245 transitions. [2024-11-09 05:38:16,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:38:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 245 transitions. [2024-11-09 05:38:16,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 05:38:16,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:16,531 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:16,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:38:16,532 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:16,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:16,532 INFO L85 PathProgramCache]: Analyzing trace with hash 201355356, now seen corresponding path program 1 times [2024-11-09 05:38:16,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:16,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966045341] [2024-11-09 05:38:16,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:16,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:38:16,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:16,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966045341] [2024-11-09 05:38:16,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966045341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:16,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:16,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:38:16,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133065518] [2024-11-09 05:38:16,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:16,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:38:16,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:16,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:38:16,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:38:16,769 INFO L87 Difference]: Start difference. First operand 184 states and 245 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:38:16,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:16,902 INFO L93 Difference]: Finished difference Result 403 states and 557 transitions. [2024-11-09 05:38:16,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:38:16,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2024-11-09 05:38:16,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:16,906 INFO L225 Difference]: With dead ends: 403 [2024-11-09 05:38:16,906 INFO L226 Difference]: Without dead ends: 237 [2024-11-09 05:38:16,907 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 05:38:16,909 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 59 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 436 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 05:38:16,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 436 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:38:16,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-09 05:38:16,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 232. [2024-11-09 05:38:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 138 states have (on average 1.3695652173913044) internal successors, (189), 142 states have internal predecessors, (189), 70 states have call successors, (70), 23 states have call predecessors, (70), 23 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-09 05:38:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 328 transitions. [2024-11-09 05:38:16,943 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 328 transitions. Word has length 85 [2024-11-09 05:38:16,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:16,947 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 328 transitions. [2024-11-09 05:38:16,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:38:16,948 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 328 transitions. [2024-11-09 05:38:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 05:38:16,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:16,953 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:16,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:38:16,953 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:16,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:16,954 INFO L85 PathProgramCache]: Analyzing trace with hash -95282247, now seen corresponding path program 1 times [2024-11-09 05:38:16,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:16,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134032441] [2024-11-09 05:38:16,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:16,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:17,257 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:38:17,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:17,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134032441] [2024-11-09 05:38:17,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134032441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:38:17,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295836002] [2024-11-09 05:38:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:17,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:38:17,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:38:17,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:38:17,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:38:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:17,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:38:17,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:38:17,790 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:38:17,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:38:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:38:17,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295836002] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:38:17,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [709866979] [2024-11-09 05:38:17,982 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2024-11-09 05:38:17,982 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:38:17,988 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:38:17,995 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:38:17,996 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:38:51,024 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:38:51,250 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 05:38:51,475 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:39:51,008 WARN L286 SmtUtils]: Spent 10.61s on a formula simplification. DAG size of input: 453 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:40:02,526 WARN L286 SmtUtils]: Spent 10.67s on a formula simplification. DAG size of input: 454 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:40:11,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [709866979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:11,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:40:11,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 05:40:11,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445347020] [2024-11-09 05:40:11,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:11,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:40:11,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:11,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:40:11,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:40:11,108 INFO L87 Difference]: Start difference. First operand 232 states and 328 transitions. Second operand has 23 states, 15 states have (on average 2.933333333333333) internal successors, (44), 14 states have internal predecessors, (44), 7 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-09 05:40:26,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:26,072 INFO L93 Difference]: Finished difference Result 479 states and 694 transitions. [2024-11-09 05:40:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 05:40:26,074 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.933333333333333) internal successors, (44), 14 states have internal predecessors, (44), 7 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 86 [2024-11-09 05:40:26,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:26,076 INFO L225 Difference]: With dead ends: 479 [2024-11-09 05:40:26,077 INFO L226 Difference]: Without dead ends: 265 [2024-11-09 05:40:26,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 233 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 83.0s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-09 05:40:26,079 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 26 mSDsluCounter, 2655 mSDsCounter, 0 mSdLazyCounter, 2053 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2847 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:26,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2847 Invalid, 2063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2053 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2024-11-09 05:40:26,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-09 05:40:26,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 255. [2024-11-09 05:40:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 160 states have (on average 1.3875) internal successors, (222), 164 states have internal predecessors, (222), 70 states have call successors, (70), 24 states have call predecessors, (70), 24 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-09 05:40:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 361 transitions. [2024-11-09 05:40:26,169 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 361 transitions. Word has length 86 [2024-11-09 05:40:26,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:26,170 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 361 transitions. [2024-11-09 05:40:26,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.933333333333333) internal successors, (44), 14 states have internal predecessors, (44), 7 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-09 05:40:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 361 transitions. [2024-11-09 05:40:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 05:40:26,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:26,173 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:26,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:40:26,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:40:26,374 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:40:26,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:26,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1158367576, now seen corresponding path program 1 times [2024-11-09 05:40:26,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:26,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969326189] [2024-11-09 05:40:26,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:26,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:40:26,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:26,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969326189] [2024-11-09 05:40:26,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969326189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:26,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:26,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:40:26,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821015254] [2024-11-09 05:40:26,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:26,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:40:26,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:26,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:40:26,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:40:26,505 INFO L87 Difference]: Start difference. First operand 255 states and 361 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:40:26,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:26,717 INFO L93 Difference]: Finished difference Result 613 states and 902 transitions. [2024-11-09 05:40:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:40:26,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 91 [2024-11-09 05:40:26,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:26,725 INFO L225 Difference]: With dead ends: 613 [2024-11-09 05:40:26,725 INFO L226 Difference]: Without dead ends: 382 [2024-11-09 05:40:26,727 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 05:40:26,728 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 57 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:26,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 435 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:40:26,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-09 05:40:26,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 377. [2024-11-09 05:40:26,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 251 states have (on average 1.4422310756972112) internal successors, (362), 255 states have internal predecessors, (362), 101 states have call successors, (101), 24 states have call predecessors, (101), 24 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-09 05:40:26,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 563 transitions. [2024-11-09 05:40:26,871 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 563 transitions. Word has length 91 [2024-11-09 05:40:26,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:26,871 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 563 transitions. [2024-11-09 05:40:26,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:40:26,872 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 563 transitions. [2024-11-09 05:40:26,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 05:40:26,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:26,875 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:26,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:40:26,875 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:40:26,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:26,876 INFO L85 PathProgramCache]: Analyzing trace with hash 105100920, now seen corresponding path program 1 times [2024-11-09 05:40:26,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:26,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004264076] [2024-11-09 05:40:26,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:26,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:40:27,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:27,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004264076] [2024-11-09 05:40:27,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004264076] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:40:27,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832920856] [2024-11-09 05:40:27,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:27,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:40:27,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:40:27,063 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:40:27,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:40:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:27,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:40:27,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:40:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:40:27,451 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:40:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:40:27,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832920856] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:40:27,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [558383738] [2024-11-09 05:40:27,547 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2024-11-09 05:40:27,548 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:40:27,548 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:40:27,548 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:40:27,549 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:41:26,641 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:41:26,847 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 438 for LOIs [2024-11-09 05:41:28,542 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:41:56,081 WARN L286 SmtUtils]: Spent 9.33s on a formula simplification. DAG size of input: 438 DAG size of output: 439 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:42:09,521 WARN L286 SmtUtils]: Spent 13.01s on a formula simplification. DAG size of input: 462 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:43:00,672 WARN L286 SmtUtils]: Spent 12.10s on a formula simplification. DAG size of input: 455 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:43:14,433 WARN L286 SmtUtils]: Spent 12.72s on a formula simplification. DAG size of input: 456 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:43:39,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [558383738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:39,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:43:39,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 05:43:39,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625479648] [2024-11-09 05:43:39,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:39,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:43:39,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:39,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:43:39,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:43:39,882 INFO L87 Difference]: Start difference. First operand 377 states and 563 transitions. Second operand has 26 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 8 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-09 05:43:52,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:52,790 INFO L93 Difference]: Finished difference Result 764 states and 1169 transitions. [2024-11-09 05:43:52,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 05:43:52,792 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 8 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) Word has length 92 [2024-11-09 05:43:52,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:52,796 INFO L225 Difference]: With dead ends: 764 [2024-11-09 05:43:52,796 INFO L226 Difference]: Without dead ends: 450 [2024-11-09 05:43:52,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 247 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 131.3s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:43:52,799 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 64 mSDsluCounter, 2678 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 2203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:52,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 2871 Invalid, 2203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2024-11-09 05:43:52,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-09 05:43:52,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 391. [2024-11-09 05:43:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 263 states have (on average 1.44106463878327) internal successors, (379), 267 states have internal predecessors, (379), 102 states have call successors, (102), 25 states have call predecessors, (102), 25 states have return successors, (101), 100 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-09 05:43:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 582 transitions. [2024-11-09 05:43:52,958 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 582 transitions. Word has length 92 [2024-11-09 05:43:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:52,959 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 582 transitions. [2024-11-09 05:43:52,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 8 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-09 05:43:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 582 transitions. [2024-11-09 05:43:52,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 05:43:52,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:52,963 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:52,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:43:53,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:43:53,164 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:43:53,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:53,165 INFO L85 PathProgramCache]: Analyzing trace with hash -883948076, now seen corresponding path program 1 times [2024-11-09 05:43:53,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:53,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400952122] [2024-11-09 05:43:53,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:53,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:43:53,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:53,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400952122] [2024-11-09 05:43:53,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400952122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:43:53,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149128294] [2024-11-09 05:43:53,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:53,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:43:53,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:43:53,402 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:43:53,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:43:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:53,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:43:53,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:43:53,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:43:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:43:54,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149128294] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:43:54,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [364885420] [2024-11-09 05:43:54,027 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2024-11-09 05:43:54,027 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:43:54,027 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:43:54,028 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:43:54,028 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:45:02,919 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:45:03,118 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 484 for LOIs [2024-11-09 05:45:04,393 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 235 for LOIs [2024-11-09 05:45:04,559 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 429 for LOIs [2024-11-09 05:45:05,011 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 05:45:05,217 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:46:20,599 WARN L286 SmtUtils]: Spent 15.83s on a formula simplification. DAG size of input: 513 DAG size of output: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:46:38,227 WARN L286 SmtUtils]: Spent 16.62s on a formula simplification. DAG size of input: 514 DAG size of output: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:47:07,778 WARN L286 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 489 DAG size of output: 485 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:47:15,176 WARN L286 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 484 DAG size of output: 480 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:47:22,075 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 484 DAG size of output: 480 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:47:28,948 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 480 DAG size of output: 476 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:47:28,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [364885420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:28,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:47:28,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [4, 4, 4] total 37 [2024-11-09 05:47:28,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683845245] [2024-11-09 05:47:28,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:28,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-09 05:47:28,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:28,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-09 05:47:28,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1221, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 05:47:28,958 INFO L87 Difference]: Start difference. First operand 391 states and 582 transitions. Second operand has 32 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 10 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) [2024-11-09 05:47:53,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:53,295 INFO L93 Difference]: Finished difference Result 793 states and 1210 transitions. [2024-11-09 05:47:53,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 05:47:53,297 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 10 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) Word has length 95 [2024-11-09 05:47:53,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:53,301 INFO L225 Difference]: With dead ends: 793 [2024-11-09 05:47:53,301 INFO L226 Difference]: Without dead ends: 479 [2024-11-09 05:47:53,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 147.9s TimeCoverageRelationStatistics Valid=115, Invalid=1291, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:47:53,305 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 54 mSDsluCounter, 3289 mSDsCounter, 0 mSdLazyCounter, 3325 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 3484 SdHoareTripleChecker+Invalid, 3337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 3325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:53,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 3484 Invalid, 3337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 3325 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2024-11-09 05:47:53,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-09 05:47:53,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 427. [2024-11-09 05:47:53,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 293 states have (on average 1.4368600682593857) internal successors, (421), 297 states have internal predecessors, (421), 105 states have call successors, (105), 28 states have call predecessors, (105), 28 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 05:47:53,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 630 transitions. [2024-11-09 05:47:53,521 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 630 transitions. Word has length 95 [2024-11-09 05:47:53,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:53,521 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 630 transitions. [2024-11-09 05:47:53,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 10 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) [2024-11-09 05:47:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 630 transitions. [2024-11-09 05:47:53,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 05:47:53,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:53,525 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:53,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:47:53,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:53,727 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:47:53,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:53,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1672611132, now seen corresponding path program 1 times [2024-11-09 05:47:53,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:53,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211954233] [2024-11-09 05:47:53,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:53,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:47:53,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:53,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211954233] [2024-11-09 05:47:53,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211954233] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:53,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747708064] [2024-11-09 05:47:53,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:53,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:53,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:53,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:53,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:47:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:54,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:47:54,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:47:54,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:47:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:47:54,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747708064] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:47:54,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1294733410] [2024-11-09 05:47:54,588 INFO L159 IcfgInterpreter]: Started Sifa with 81 locations of interest [2024-11-09 05:47:54,588 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:47:54,589 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:47:54,589 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:47:54,589 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:42,610 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:48:42,799 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 05:48:42,977 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:49:48,488 WARN L286 SmtUtils]: Spent 10.81s on a formula simplification. DAG size of input: 453 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:50:00,639 WARN L286 SmtUtils]: Spent 11.04s on a formula simplification. DAG size of input: 454 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:50:30,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1294733410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:30,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:50:30,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 05:50:30,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808006425] [2024-11-09 05:50:30,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:30,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 05:50:30,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:30,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 05:50:30,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:50:30,802 INFO L87 Difference]: Start difference. First operand 427 states and 630 transitions. Second operand has 27 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 states have internal predecessors, (52), 7 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-09 05:50:45,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:45,905 INFO L93 Difference]: Finished difference Result 790 states and 1193 transitions. [2024-11-09 05:50:45,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 05:50:45,906 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 states have internal predecessors, (52), 7 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 94 [2024-11-09 05:50:45,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:45,911 INFO L225 Difference]: With dead ends: 790 [2024-11-09 05:50:45,913 INFO L226 Difference]: Without dead ends: 476 [2024-11-09 05:50:45,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 249 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 111.2s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:50:45,915 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 18 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 2204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:45,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2866 Invalid, 2204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2024-11-09 05:50:45,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-09 05:50:46,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 447. [2024-11-09 05:50:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 313 states have (on average 1.4408945686900958) internal successors, (451), 317 states have internal predecessors, (451), 105 states have call successors, (105), 28 states have call predecessors, (105), 28 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 05:50:46,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 660 transitions. [2024-11-09 05:50:46,107 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 660 transitions. Word has length 94 [2024-11-09 05:50:46,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:46,108 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 660 transitions. [2024-11-09 05:50:46,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 states have internal predecessors, (52), 7 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-09 05:50:46,108 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 660 transitions. [2024-11-09 05:50:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:50:46,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:46,115 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:46,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:50:46,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:50:46,316 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:50:46,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:46,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1998145707, now seen corresponding path program 1 times [2024-11-09 05:50:46,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:46,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289756601] [2024-11-09 05:50:46,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:46,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:50:47,092 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:47,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289756601] [2024-11-09 05:50:47,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289756601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:50:47,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745766760] [2024-11-09 05:50:47,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:47,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:50:47,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:50:47,099 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:50:47,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775803f-d229-4519-a8af-a13908729628/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:50:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:47,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:50:47,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:50:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:50:47,557 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:50:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:50:47,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745766760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:50:47,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [876027923] [2024-11-09 05:50:47,707 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2024-11-09 05:50:47,707 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:50:47,708 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:50:47,708 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:50:47,708 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:51:39,805 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:51:39,955 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 255 for LOIs [2024-11-09 05:51:43,222 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 238 for LOIs [2024-11-09 05:51:43,421 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 438 for LOIs [2024-11-09 05:51:45,074 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 253 for LOIs [2024-11-09 05:51:46,955 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Encrypt with input of size 248 for LOIs [2024-11-09 05:51:53,948 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 247 for LOIs [2024-11-09 05:51:54,771 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 258 for LOIs [2024-11-09 05:51:55,882 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 239 for LOIs [2024-11-09 05:51:56,034 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 230 for LOIs [2024-11-09 05:51:56,173 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:52:23,924 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification. DAG size of input: 438 DAG size of output: 439 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)