./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/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_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/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_43ddbc59-5d6e-4524-9fe2-5bc345255191/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 7bf93f828cd20929ce9c5f311b0e320b3840eed4f400e7f2f8e12c9cdbceb4d2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:46:14,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:46:14,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:46:14,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:46:14,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:46:14,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:46:14,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:46:14,508 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:46:14,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:46:14,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:46:14,511 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:46:14,512 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:46:14,512 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:46:14,512 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:46:14,513 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:46:14,513 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:46:14,513 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:46:14,518 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:46:14,518 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:46:14,519 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:46:14,519 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:46:14,523 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:46:14,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:46:14,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:46:14,524 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:46:14,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:46:14,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:46:14,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:46:14,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:46:14,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:46:14,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:46:14,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:46:14,531 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:46:14,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:46:14,532 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:46:14,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:46:14,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:46:14,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:46:14,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:46:14,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:46:14,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:46:14,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:46:14,536 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:46:14,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:46:14,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:46:14,537 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:46:14,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:46:14,537 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_43ddbc59-5d6e-4524-9fe2-5bc345255191/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bf93f828cd20929ce9c5f311b0e320b3840eed4f400e7f2f8e12c9cdbceb4d2 [2024-11-09 04:46:14,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:46:14,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:46:14,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:46:14,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:46:14,922 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:46:14,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c Unable to find full path for "g++" [2024-11-09 04:46:17,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:46:17,603 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:46:17,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2024-11-09 04:46:17,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/data/7220d0a1e/aa1ce274f7a24397b8abfbeb142f44a2/FLAG2915df0bc [2024-11-09 04:46:17,819 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/data/7220d0a1e/aa1ce274f7a24397b8abfbeb142f44a2 [2024-11-09 04:46:17,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:46:17,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:46:17,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:17,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:46:17,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:46:17,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:17" (1/1) ... [2024-11-09 04:46:17,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bba4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:17, skipping insertion in model container [2024-11-09 04:46:17,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:17" (1/1) ... [2024-11-09 04:46:17,923 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:46:18,818 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_43ddbc59-5d6e-4524-9fe2-5bc345255191/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c[62671,62684] [2024-11-09 04:46:18,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:18,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:46:18,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2024-11-09 04:46:18,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [1128] [2024-11-09 04:46:18,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1170] [2024-11-09 04:46:18,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1456] [2024-11-09 04:46:18,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1562] [2024-11-09 04:46:18,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1579] [2024-11-09 04:46:18,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1617] [2024-11-09 04:46:18,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1983] [2024-11-09 04:46:18,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2208] [2024-11-09 04:46:18,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2486] [2024-11-09 04:46:18,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2889] [2024-11-09 04:46:19,039 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_43ddbc59-5d6e-4524-9fe2-5bc345255191/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c[62671,62684] [2024-11-09 04:46:19,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:19,086 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:46:19,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19 WrapperNode [2024-11-09 04:46:19,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:19,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:19,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:46:19,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:46:19,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,228 INFO L138 Inliner]: procedures = 125, calls = 189, calls flagged for inlining = 50, calls inlined = 42, statements flattened = 889 [2024-11-09 04:46:19,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:19,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:46:19,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:46:19,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:46:19,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:46:19,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:46:19,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:46:19,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:46:19,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:46:19,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:46:19,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:46:19,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:46:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 04:46:19,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 04:46:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 04:46:19,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 04:46:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 04:46:19,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 04:46:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 04:46:19,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 04:46:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 04:46:19,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 04:46:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 04:46:19,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 04:46:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 04:46:19,502 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 04:46:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 04:46:19,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 04:46:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 04:46:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 04:46:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 04:46:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 04:46:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:46:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 04:46:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 04:46:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 04:46:19,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 04:46:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 04:46:19,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 04:46:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 04:46:19,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 04:46:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-09 04:46:19,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-09 04:46:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 04:46:19,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 04:46:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 04:46:19,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 04:46:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 04:46:19,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 04:46:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 04:46:19,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 04:46:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:46:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 04:46:19,506 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 04:46:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 04:46:19,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 04:46:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:46:19,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:46:19,722 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:46:19,727 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:46:20,910 INFO L? ?]: Removed 440 outVars from TransFormulas that were not future-live. [2024-11-09 04:46:20,911 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:46:21,794 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:46:21,796 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:46:21,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:21 BoogieIcfgContainer [2024-11-09 04:46:21,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:46:21,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:46:21,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:46:21,804 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:46:21,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:46:17" (1/3) ... [2024-11-09 04:46:21,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efa4f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:21, skipping insertion in model container [2024-11-09 04:46:21,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (2/3) ... [2024-11-09 04:46:21,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efa4f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:21, skipping insertion in model container [2024-11-09 04:46:21,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:21" (3/3) ... [2024-11-09 04:46:21,810 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product14.cil.c [2024-11-09 04:46:21,839 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:46:21,839 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:46:21,951 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:46:21,961 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;@725135c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:46:21,961 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:46:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 98 states have (on average 1.346938775510204) internal successors, (132), 103 states have internal predecessors, (132), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 04:46:21,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 04:46:21,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:21,990 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:46:21,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:22,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:22,002 INFO L85 PathProgramCache]: Analyzing trace with hash -62651629, now seen corresponding path program 1 times [2024-11-09 04:46:22,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:22,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52641168] [2024-11-09 04:46:22,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:22,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:22,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:22,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52641168] [2024-11-09 04:46:22,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52641168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:22,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:22,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:46:22,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220480381] [2024-11-09 04:46:22,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:22,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:46:22,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:22,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:46:22,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:46:22,548 INFO L87 Difference]: Start difference. First operand has 173 states, 98 states have (on average 1.346938775510204) internal successors, (132), 103 states have internal predecessors, (132), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 04:46:22,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:22,722 INFO L93 Difference]: Finished difference Result 254 states and 343 transitions. [2024-11-09 04:46:22,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:46:22,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2024-11-09 04:46:22,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:22,747 INFO L225 Difference]: With dead ends: 254 [2024-11-09 04:46:22,747 INFO L226 Difference]: Without dead ends: 170 [2024-11-09 04:46:22,753 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 04:46:22,760 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:46:22,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 202 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:46:22,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-09 04:46:22,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-09 04:46:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 96 states have (on average 1.3125) internal successors, (126), 100 states have internal predecessors, (126), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 04:46:22,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 229 transitions. [2024-11-09 04:46:22,850 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 229 transitions. Word has length 63 [2024-11-09 04:46:22,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:22,852 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 229 transitions. [2024-11-09 04:46:22,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 04:46:22,852 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 229 transitions. [2024-11-09 04:46:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 04:46:22,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:22,857 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:46:22,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:46:22,857 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:22,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:22,858 INFO L85 PathProgramCache]: Analyzing trace with hash 8655641, now seen corresponding path program 1 times [2024-11-09 04:46:22,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:22,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242395222] [2024-11-09 04:46:22,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:22,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:23,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:23,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242395222] [2024-11-09 04:46:23,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242395222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:23,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:23,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:46:23,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237921118] [2024-11-09 04:46:23,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:23,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:46:23,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:23,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:46:23,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:46:23,180 INFO L87 Difference]: Start difference. First operand 170 states and 229 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 04:46:23,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:23,352 INFO L93 Difference]: Finished difference Result 250 states and 328 transitions. [2024-11-09 04:46:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:46:23,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 64 [2024-11-09 04:46:23,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:23,361 INFO L225 Difference]: With dead ends: 250 [2024-11-09 04:46:23,361 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 04:46:23,363 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 04:46:23,366 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 0 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:46:23,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 397 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:46:23,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 04:46:23,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-09 04:46:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 98 states have (on average 1.3061224489795917) internal successors, (128), 102 states have internal predecessors, (128), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 04:46:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 231 transitions. [2024-11-09 04:46:23,404 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 231 transitions. Word has length 64 [2024-11-09 04:46:23,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:23,405 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 231 transitions. [2024-11-09 04:46:23,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 04:46:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 231 transitions. [2024-11-09 04:46:23,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 04:46:23,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:23,410 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:46:23,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:46:23,411 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:23,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:23,412 INFO L85 PathProgramCache]: Analyzing trace with hash 507035076, now seen corresponding path program 1 times [2024-11-09 04:46:23,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:23,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344638125] [2024-11-09 04:46:23,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:23,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:23,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:23,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344638125] [2024-11-09 04:46:23,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344638125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:23,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:23,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:46:23,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402754171] [2024-11-09 04:46:23,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:23,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:46:23,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:23,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:46:23,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:46:23,576 INFO L87 Difference]: Start difference. First operand 172 states and 231 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 04:46:23,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:23,734 INFO L93 Difference]: Finished difference Result 379 states and 529 transitions. [2024-11-09 04:46:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:46:23,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 69 [2024-11-09 04:46:23,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:23,738 INFO L225 Difference]: With dead ends: 379 [2024-11-09 04:46:23,738 INFO L226 Difference]: Without dead ends: 225 [2024-11-09 04:46:23,740 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 04:46:23,741 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 59 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:46:23,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 405 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:46:23,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-09 04:46:23,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 220. [2024-11-09 04:46:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 132 states have (on average 1.3863636363636365) internal successors, (183), 136 states have internal predecessors, (183), 66 states have call successors, (66), 21 states have call predecessors, (66), 21 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 04:46:23,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 314 transitions. [2024-11-09 04:46:23,764 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 314 transitions. Word has length 69 [2024-11-09 04:46:23,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:23,765 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 314 transitions. [2024-11-09 04:46:23,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 04:46:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 314 transitions. [2024-11-09 04:46:23,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 04:46:23,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:23,768 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:46:23,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:46:23,769 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:23,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:23,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1059914918, now seen corresponding path program 1 times [2024-11-09 04:46:23,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:23,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019072702] [2024-11-09 04:46:23,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:23,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:24,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:24,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019072702] [2024-11-09 04:46:24,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019072702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:46:24,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42308288] [2024-11-09 04:46:24,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:24,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:46:24,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:46:24,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:46:24,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:46:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:24,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:46:24,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:46:24,669 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:24,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:46:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:24,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42308288] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:46:24,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [57483645] [2024-11-09 04:46:24,840 INFO L159 IcfgInterpreter]: Started Sifa with 59 locations of interest [2024-11-09 04:46:24,840 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:46:24,844 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:46:24,853 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:46:24,855 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:46:55,673 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 238 for LOIs [2024-11-09 04:46:55,925 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 04:46:56,100 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:47:58,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [57483645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:47:58,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:47:58,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 04:47:58,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685284882] [2024-11-09 04:47:58,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:47:58,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 04:47:58,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:47:58,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 04:47:58,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2024-11-09 04:47:58,649 INFO L87 Difference]: Start difference. First operand 220 states and 314 transitions. Second operand has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 04:48:14,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:48:14,940 INFO L93 Difference]: Finished difference Result 455 states and 666 transitions. [2024-11-09 04:48:14,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 04:48:14,943 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 70 [2024-11-09 04:48:14,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:48:14,946 INFO L225 Difference]: With dead ends: 455 [2024-11-09 04:48:14,947 INFO L226 Difference]: Without dead ends: 253 [2024-11-09 04:48:14,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 68.9s TimeCoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2024-11-09 04:48:14,949 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 26 mSDsluCounter, 2296 mSDsCounter, 0 mSdLazyCounter, 2209 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2477 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:48:14,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2477 Invalid, 2220 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 2209 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-11-09 04:48:14,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-09 04:48:15,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 243. [2024-11-09 04:48:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 154 states have (on average 1.4025974025974026) internal successors, (216), 158 states have internal predecessors, (216), 66 states have call successors, (66), 22 states have call predecessors, (66), 22 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 04:48:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 347 transitions. [2024-11-09 04:48:15,037 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 347 transitions. Word has length 70 [2024-11-09 04:48:15,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:48:15,038 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 347 transitions. [2024-11-09 04:48:15,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 04:48:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 347 transitions. [2024-11-09 04:48:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 04:48:15,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:48:15,041 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:48:15,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 04:48:15,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:48:15,246 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:48:15,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:48:15,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1279689237, now seen corresponding path program 1 times [2024-11-09 04:48:15,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:48:15,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803038843] [2024-11-09 04:48:15,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:15,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:48:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:15,401 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:48:15,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:48:15,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803038843] [2024-11-09 04:48:15,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803038843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:48:15,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:48:15,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:48:15,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217210690] [2024-11-09 04:48:15,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:48:15,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:48:15,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:48:15,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:48:15,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:48:15,408 INFO L87 Difference]: Start difference. First operand 243 states and 347 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:48:15,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:48:15,616 INFO L93 Difference]: Finished difference Result 589 states and 874 transitions. [2024-11-09 04:48:15,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:48:15,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 75 [2024-11-09 04:48:15,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:48:15,620 INFO L225 Difference]: With dead ends: 589 [2024-11-09 04:48:15,620 INFO L226 Difference]: Without dead ends: 370 [2024-11-09 04:48:15,625 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 04:48:15,626 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 57 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:48:15,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 403 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:48:15,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-09 04:48:15,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 365. [2024-11-09 04:48:15,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 245 states have (on average 1.453061224489796) internal successors, (356), 249 states have internal predecessors, (356), 97 states have call successors, (97), 22 states have call predecessors, (97), 22 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-09 04:48:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 549 transitions. [2024-11-09 04:48:15,757 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 549 transitions. Word has length 75 [2024-11-09 04:48:15,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:48:15,757 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 549 transitions. [2024-11-09 04:48:15,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:48:15,760 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 549 transitions. [2024-11-09 04:48:15,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 04:48:15,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:48:15,763 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:48:15,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:48:15,763 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:48:15,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:48:15,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1015444688, now seen corresponding path program 1 times [2024-11-09 04:48:15,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:48:15,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240361289] [2024-11-09 04:48:15,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:15,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:48:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:48:15,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:48:15,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240361289] [2024-11-09 04:48:15,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240361289] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:48:15,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721905007] [2024-11-09 04:48:15,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:15,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:48:15,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:48:15,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:48:15,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 04:48:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:16,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:48:16,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:48:16,377 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:48:16,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:48:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:48:16,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721905007] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:48:16,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1108762198] [2024-11-09 04:48:16,479 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2024-11-09 04:48:16,479 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:48:16,480 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:48:16,480 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:48:16,480 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:48:48,912 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 238 for LOIs [2024-11-09 04:48:49,070 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 429 for LOIs [2024-11-09 04:48:50,224 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:49:12,891 WARN L286 SmtUtils]: Spent 7.09s on a formula simplification. DAG size of input: 429 DAG size of output: 429 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:49:23,743 WARN L286 SmtUtils]: Spent 10.44s on a formula simplification. DAG size of input: 453 DAG size of output: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:50:21,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1108762198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:50:21,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:50:21,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 04:50:21,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838475434] [2024-11-09 04:50:21,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:50:21,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 04:50:21,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:50:21,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 04:50:21,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2024-11-09 04:50:21,352 INFO L87 Difference]: Start difference. First operand 365 states and 549 transitions. Second operand has 26 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 04:50:38,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:50:38,106 INFO L93 Difference]: Finished difference Result 740 states and 1141 transitions. [2024-11-09 04:50:38,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 04:50:38,107 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 76 [2024-11-09 04:50:38,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:50:38,114 INFO L225 Difference]: With dead ends: 740 [2024-11-09 04:50:38,114 INFO L226 Difference]: Without dead ends: 438 [2024-11-09 04:50:38,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 94.5s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 04:50:38,117 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 43 mSDsluCounter, 2606 mSDsCounter, 0 mSdLazyCounter, 2639 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 2648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:50:38,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 2785 Invalid, 2648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2639 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2024-11-09 04:50:38,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-09 04:50:38,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 379. [2024-11-09 04:50:38,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 257 states have (on average 1.45136186770428) internal successors, (373), 261 states have internal predecessors, (373), 98 states have call successors, (98), 23 states have call predecessors, (98), 23 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-09 04:50:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 568 transitions. [2024-11-09 04:50:38,274 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 568 transitions. Word has length 76 [2024-11-09 04:50:38,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:50:38,275 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 568 transitions. [2024-11-09 04:50:38,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 04:50:38,275 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 568 transitions. [2024-11-09 04:50:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 04:50:38,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:38,279 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 04:50:38,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 04:50:38,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 04:50:38,482 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:38,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:38,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1659810875, now seen corresponding path program 1 times [2024-11-09 04:50:38,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:50:38,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875564293] [2024-11-09 04:50:38,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:38,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:50:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:50:38,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:50:38,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875564293] [2024-11-09 04:50:38,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875564293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:50:38,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510846908] [2024-11-09 04:50:38,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:38,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:50:38,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:50:38,699 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:50:38,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 04:50:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:39,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:50:39,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:50:39,157 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:50:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:50:39,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510846908] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:50:39,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [684096588] [2024-11-09 04:50:39,249 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-09 04:50:39,249 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:50:39,250 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:50:39,250 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:50:39,250 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:51:52,068 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 238 for LOIs [2024-11-09 04:51:52,230 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 475 for LOIs [2024-11-09 04:51:53,376 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 484 for LOIs [2024-11-09 04:51:54,627 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 420 for LOIs [2024-11-09 04:51:55,233 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 04:51:55,388 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:52:50,590 WARN L286 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 505 DAG size of output: 497 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:52:56,378 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 506 DAG size of output: 497 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:53:37,427 WARN L286 SmtUtils]: Spent 5.12s 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 04:53:52,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [684096588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:53:52,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:53:52,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 04:53:52,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328593227] [2024-11-09 04:53:52,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:53:52,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 04:53:52,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:53:52,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 04:53:52,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 04:53:52,416 INFO L87 Difference]: Start difference. First operand 379 states and 568 transitions. Second operand has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-09 04:54:16,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:54:16,787 INFO L93 Difference]: Finished difference Result 765 states and 1176 transitions. [2024-11-09 04:54:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 04:54:16,788 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) Word has length 79 [2024-11-09 04:54:16,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:54:16,791 INFO L225 Difference]: With dead ends: 765 [2024-11-09 04:54:16,792 INFO L226 Difference]: Without dead ends: 463 [2024-11-09 04:54:16,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 123.2s TimeCoverageRelationStatistics Valid=125, Invalid=1435, Unknown=0, NotChecked=0, Total=1560 [2024-11-09 04:54:16,794 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 52 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 3688 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 3699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 3688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:54:16,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 3126 Invalid, 3699 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 3688 Invalid, 0 Unknown, 0 Unchecked, 17.9s Time] [2024-11-09 04:54:16,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-11-09 04:54:16,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 415. [2024-11-09 04:54:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 287 states have (on average 1.4459930313588851) internal successors, (415), 291 states have internal predecessors, (415), 101 states have call successors, (101), 26 states have call predecessors, (101), 26 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-09 04:54:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 616 transitions. [2024-11-09 04:54:16,936 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 616 transitions. Word has length 79 [2024-11-09 04:54:16,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:54:16,936 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 616 transitions. [2024-11-09 04:54:16,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-09 04:54:16,937 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 616 transitions. [2024-11-09 04:54:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 04:54:16,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:54:16,939 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:54:16,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 04:54:17,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-09 04:54:17,140 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:54:17,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:54:17,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1511403095, now seen corresponding path program 1 times [2024-11-09 04:54:17,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:54:17,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837186388] [2024-11-09 04:54:17,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:17,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:54:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:54:17,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:54:17,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837186388] [2024-11-09 04:54:17,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837186388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:54:17,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213416617] [2024-11-09 04:54:17,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:17,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:54:17,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:54:17,274 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:54:17,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 04:54:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:17,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:54:17,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:54:17,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:54:17,735 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:54:17,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213416617] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:54:17,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [902080764] [2024-11-09 04:54:17,740 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-09 04:54:17,740 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:54:17,741 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:54:17,741 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:54:17,741 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:55:02,017 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 238 for LOIs [2024-11-09 04:55:02,173 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 04:55:02,327 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:55:58,883 WARN L286 SmtUtils]: Spent 9.81s on a formula simplification. DAG size of input: 444 DAG size of output: 444 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:56:09,918 WARN L286 SmtUtils]: Spent 10.00s on a formula simplification. DAG size of input: 445 DAG size of output: 444 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:56:20,884 WARN L286 SmtUtils]: Spent 9.79s on a formula simplification. DAG size of input: 449 DAG size of output: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:56:32,993 WARN L286 SmtUtils]: Spent 9.80s on a formula simplification. DAG size of input: 449 DAG size of output: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:56:45,002 WARN L286 SmtUtils]: Spent 9.61s on a formula simplification. DAG size of input: 449 DAG size of output: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:56:56,825 WARN L286 SmtUtils]: Spent 9.51s on a formula simplification. DAG size of input: 449 DAG size of output: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:57:08,857 WARN L286 SmtUtils]: Spent 9.80s on a formula simplification. DAG size of input: 449 DAG size of output: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:57:13,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [902080764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:57:13,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:57:13,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 04:57:13,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705158164] [2024-11-09 04:57:13,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:57:13,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 04:57:13,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:57:13,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 04:57:13,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=893, Unknown=0, NotChecked=0, Total=992 [2024-11-09 04:57:13,779 INFO L87 Difference]: Start difference. First operand 415 states and 616 transitions. Second operand has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 04:57:33,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:33,553 INFO L93 Difference]: Finished difference Result 766 states and 1165 transitions. [2024-11-09 04:57:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 04:57:33,554 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 78 [2024-11-09 04:57:33,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:33,558 INFO L225 Difference]: With dead ends: 766 [2024-11-09 04:57:33,558 INFO L226 Difference]: Without dead ends: 464 [2024-11-09 04:57:33,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 201 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 137.8s TimeCoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 04:57:33,560 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 18 mSDsluCounter, 2510 mSDsCounter, 0 mSdLazyCounter, 2680 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2683 SdHoareTripleChecker+Invalid, 2690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:33,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2683 Invalid, 2690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2680 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2024-11-09 04:57:33,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-09 04:57:33,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 435. [2024-11-09 04:57:33,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 307 states have (on average 1.4495114006514658) internal successors, (445), 311 states have internal predecessors, (445), 101 states have call successors, (101), 26 states have call predecessors, (101), 26 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-09 04:57:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 646 transitions. [2024-11-09 04:57:33,731 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 646 transitions. Word has length 78 [2024-11-09 04:57:33,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:33,731 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 646 transitions. [2024-11-09 04:57:33,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 04:57:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 646 transitions. [2024-11-09 04:57:33,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 04:57:33,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:33,733 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:57:33,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 04:57:33,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 04:57:33,934 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:57:33,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:33,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1248329154, now seen corresponding path program 1 times [2024-11-09 04:57:33,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:57:33,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181869140] [2024-11-09 04:57:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:57:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:57:34,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:57:34,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181869140] [2024-11-09 04:57:34,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181869140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:34,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446033538] [2024-11-09 04:57:34,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:34,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:57:34,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:57:34,167 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:57:34,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddbc59-5d6e-4524-9fe2-5bc345255191/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 04:57:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:34,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:57:34,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:57:34,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:57:34,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446033538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:57:34,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [612658139] [2024-11-09 04:57:34,607 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2024-11-09 04:57:34,607 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:57:34,607 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:57:34,607 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:57:34,608 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:58:03,384 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 238 for LOIs [2024-11-09 04:58:03,553 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 429 for LOIs [2024-11-09 04:58:04,712 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 243 for LOIs [2024-11-09 04:58:07,747 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 226 for LOIs [2024-11-09 04:58:07,843 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 241 for LOIs [2024-11-09 04:58:09,141 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Encrypt with input of size 236 for LOIs [2024-11-09 04:58:11,549 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 218 for LOIs [2024-11-09 04:58:11,623 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 245 for LOIs [2024-11-09 04:58:12,404 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 218 for LOIs [2024-11-09 04:58:12,490 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:58:35,691 WARN L286 SmtUtils]: Spent 7.37s on a formula simplification. DAG size of input: 429 DAG size of output: 429 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:58:46,863 WARN L286 SmtUtils]: Spent 10.68s on a formula simplification. DAG size of input: 453 DAG size of output: 449 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:59:45,103 WARN L286 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 261 DAG size of output: 245 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:00:16,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [612658139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:16,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:00:16,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [5, 5, 5] total 57 [2024-11-09 05:00:16,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476222978] [2024-11-09 05:00:16,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:16,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-09 05:00:16,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:16,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-09 05:00:16,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=3027, Unknown=0, NotChecked=0, Total=3192 [2024-11-09 05:00:16,093 INFO L87 Difference]: Start difference. First operand 435 states and 646 transitions. Second operand has 52 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 30 states have internal predecessors, (41), 15 states have call successors, (16), 10 states have call predecessors, (16), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)