./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product32.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_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/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_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/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_df54d770-6457-4e7f-9058-fcd8ffa7dab7/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 614dee6ac528b2b5bcd12e57f515dcc43213e2cedeb5bd1e2531b305b02c78fa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:28:18,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:28:18,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:28:18,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:28:18,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:28:18,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:28:18,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:28:18,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:28:18,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:28:18,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:28:18,154 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:28:18,154 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:28:18,155 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:28:18,156 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:28:18,158 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:28:18,158 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:28:18,159 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:28:18,159 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:28:18,159 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:28:18,160 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:28:18,163 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:28:18,163 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:28:18,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:28:18,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:28:18,165 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:28:18,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:28:18,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:28:18,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:28:18,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:28:18,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:28:18,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:28:18,167 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:28:18,167 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:28:18,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:28:18,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:28:18,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:28:18,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:28:18,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:28:18,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:28:18,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:28:18,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:28:18,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:28:18,171 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:28:18,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:28:18,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:28:18,172 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:28:18,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:28:18,172 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_df54d770-6457-4e7f-9058-fcd8ffa7dab7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 614dee6ac528b2b5bcd12e57f515dcc43213e2cedeb5bd1e2531b305b02c78fa [2024-11-09 05:28:18,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:28:18,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:28:18,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:28:18,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:28:18,504 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:28:18,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec8_product32.cil.c Unable to find full path for "g++" [2024-11-09 05:28:20,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:28:20,861 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:28:20,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/sv-benchmarks/c/product-lines/email_spec8_product32.cil.c [2024-11-09 05:28:20,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/data/280c7b644/f8ae5a5139c846439549d59eed63508c/FLAG01e6a0fa0 [2024-11-09 05:28:20,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/data/280c7b644/f8ae5a5139c846439549d59eed63508c [2024-11-09 05:28:20,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:28:20,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:28:20,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:28:20,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:28:20,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:28:20,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:28:20" (1/1) ... [2024-11-09 05:28:20,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d28067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:20, skipping insertion in model container [2024-11-09 05:28:20,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:28:20" (1/1) ... [2024-11-09 05:28:21,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:28:21,692 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_df54d770-6457-4e7f-9058-fcd8ffa7dab7/sv-benchmarks/c/product-lines/email_spec8_product32.cil.c[37064,37077] [2024-11-09 05:28:22,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:28:22,057 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:28:22,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2024-11-09 05:28:22,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1128] [2024-11-09 05:28:22,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1494] [2024-11-09 05:28:22,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1512] [2024-11-09 05:28:22,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1521] [2024-11-09 05:28:22,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1680] [2024-11-09 05:28:22,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [1989] [2024-11-09 05:28:22,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2031] [2024-11-09 05:28:22,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2250] [2024-11-09 05:28:22,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2285] [2024-11-09 05:28:22,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2687] [2024-11-09 05:28:22,218 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_df54d770-6457-4e7f-9058-fcd8ffa7dab7/sv-benchmarks/c/product-lines/email_spec8_product32.cil.c[37064,37077] [2024-11-09 05:28:22,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:28:22,319 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:28:22,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22 WrapperNode [2024-11-09 05:28:22,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:28:22,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:28:22,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:28:22,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:28:22,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (1/1) ... [2024-11-09 05:28:22,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (1/1) ... [2024-11-09 05:28:22,449 INFO L138 Inliner]: procedures = 135, calls = 222, calls flagged for inlining = 62, calls inlined = 54, statements flattened = 998 [2024-11-09 05:28:22,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:28:22,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:28:22,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:28:22,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:28:22,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (1/1) ... [2024-11-09 05:28:22,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (1/1) ... [2024-11-09 05:28:22,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (1/1) ... [2024-11-09 05:28:22,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (1/1) ... [2024-11-09 05:28:22,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (1/1) ... [2024-11-09 05:28:22,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (1/1) ... [2024-11-09 05:28:22,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (1/1) ... [2024-11-09 05:28:22,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (1/1) ... [2024-11-09 05:28:22,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:28:22,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:28:22,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:28:22,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:28:22,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (1/1) ... [2024-11-09 05:28:22,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:28:22,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:28:22,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:28:22,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:28:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 05:28:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 05:28:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 05:28:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 05:28:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 05:28:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 05:28:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 05:28:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 05:28:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 05:28:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 05:28:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 05:28:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 05:28:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 05:28:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 05:28:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 05:28:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 05:28:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 05:28:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 05:28:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 05:28:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 05:28:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 05:28:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 05:28:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 05:28:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 05:28:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 05:28:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 05:28:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 05:28:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 05:28:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 05:28:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 05:28:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:28:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 05:28:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 05:28:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 05:28:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 05:28:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 05:28:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 05:28:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 05:28:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 05:28:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 05:28:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 05:28:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 05:28:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 05:28:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 05:28:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 05:28:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 05:28:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 05:28:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 05:28:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 05:28:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 05:28:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 05:28:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 05:28:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 05:28:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:28:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 05:28:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 05:28:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 05:28:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 05:28:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:28:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:28:22,909 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:28:22,912 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:28:24,645 INFO L? ?]: Removed 539 outVars from TransFormulas that were not future-live. [2024-11-09 05:28:24,645 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:28:25,611 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:28:25,611 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:28:25,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:28:25 BoogieIcfgContainer [2024-11-09 05:28:25,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:28:25,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:28:25,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:28:25,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:28:25,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:28:20" (1/3) ... [2024-11-09 05:28:25,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0df8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:28:25, skipping insertion in model container [2024-11-09 05:28:25,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:28:22" (2/3) ... [2024-11-09 05:28:25,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0df8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:28:25, skipping insertion in model container [2024-11-09 05:28:25,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:28:25" (3/3) ... [2024-11-09 05:28:25,623 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product32.cil.c [2024-11-09 05:28:25,645 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:28:25,646 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:28:25,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:28:25,755 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;@24c1b601, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:28:25,757 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:28:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 219 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 129 states have internal predecessors, (162), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 05:28:25,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 05:28:25,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:28:25,785 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:28:25,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:28:25,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:28:25,794 INFO L85 PathProgramCache]: Analyzing trace with hash -509796302, now seen corresponding path program 1 times [2024-11-09 05:28:25,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:28:25,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953307668] [2024-11-09 05:28:25,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:28:25,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:28:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:28:26,322 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 05:28:26,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:28:26,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953307668] [2024-11-09 05:28:26,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953307668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:28:26,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:28:26,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:28:26,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627737955] [2024-11-09 05:28:26,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:28:26,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:28:26,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:28:26,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:28:26,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:28:26,378 INFO L87 Difference]: Start difference. First operand has 219 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 129 states have internal predecessors, (162), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:28:26,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:28:26,621 INFO L93 Difference]: Finished difference Result 346 states and 455 transitions. [2024-11-09 05:28:26,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:28:26,630 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2024-11-09 05:28:26,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:28:26,652 INFO L225 Difference]: With dead ends: 346 [2024-11-09 05:28:26,652 INFO L226 Difference]: Without dead ends: 216 [2024-11-09 05:28:26,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:28:26,664 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:28:26,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 247 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:28:26,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-09 05:28:26,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-09 05:28:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 122 states have (on average 1.278688524590164) internal successors, (156), 126 states have internal predecessors, (156), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-09 05:28:26,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 285 transitions. [2024-11-09 05:28:26,744 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 285 transitions. Word has length 71 [2024-11-09 05:28:26,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:28:26,746 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 285 transitions. [2024-11-09 05:28:26,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:28:26,747 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 285 transitions. [2024-11-09 05:28:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 05:28:26,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:28:26,752 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:28:26,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:28:26,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:28:26,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:28:26,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1970591412, now seen corresponding path program 1 times [2024-11-09 05:28:26,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:28:26,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927379884] [2024-11-09 05:28:26,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:28:26,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:28:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:28:27,115 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 05:28:27,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:28:27,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927379884] [2024-11-09 05:28:27,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927379884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:28:27,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:28:27,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:28:27,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986923574] [2024-11-09 05:28:27,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:28:27,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:28:27,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:28:27,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:28:27,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:28:27,125 INFO L87 Difference]: Start difference. First operand 216 states and 285 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:28:27,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:28:27,335 INFO L93 Difference]: Finished difference Result 342 states and 440 transitions. [2024-11-09 05:28:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:28:27,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2024-11-09 05:28:27,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:28:27,340 INFO L225 Difference]: With dead ends: 342 [2024-11-09 05:28:27,340 INFO L226 Difference]: Without dead ends: 218 [2024-11-09 05:28:27,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:28:27,343 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 0 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:28:27,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 487 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:28:27,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-09 05:28:27,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-09 05:28:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 128 states have internal predecessors, (158), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-09 05:28:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2024-11-09 05:28:27,376 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 72 [2024-11-09 05:28:27,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:28:27,376 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2024-11-09 05:28:27,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:28:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2024-11-09 05:28:27,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 05:28:27,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:28:27,380 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:28:27,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:28:27,381 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:28:27,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:28:27,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1013573338, now seen corresponding path program 1 times [2024-11-09 05:28:27,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:28:27,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38839393] [2024-11-09 05:28:27,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:28:27,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:28:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:28:27,609 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 05:28:27,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:28:27,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38839393] [2024-11-09 05:28:27,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38839393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:28:27,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:28:27,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:28:27,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540491566] [2024-11-09 05:28:27,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:28:27,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:28:27,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:28:27,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:28:27,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:28:27,614 INFO L87 Difference]: Start difference. First operand 218 states and 287 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:28:27,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:28:27,826 INFO L93 Difference]: Finished difference Result 471 states and 641 transitions. [2024-11-09 05:28:27,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:28:27,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2024-11-09 05:28:27,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:28:27,835 INFO L225 Difference]: With dead ends: 471 [2024-11-09 05:28:27,836 INFO L226 Difference]: Without dead ends: 271 [2024-11-09 05:28:27,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:28:27,839 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 59 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:28:27,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 495 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:28:27,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-09 05:28:27,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 266. [2024-11-09 05:28:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 158 states have (on average 1.3481012658227849) internal successors, (213), 162 states have internal predecessors, (213), 79 states have call successors, (79), 28 states have call predecessors, (79), 28 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-09 05:28:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 370 transitions. [2024-11-09 05:28:27,875 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 370 transitions. Word has length 77 [2024-11-09 05:28:27,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:28:27,876 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 370 transitions. [2024-11-09 05:28:27,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:28:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2024-11-09 05:28:27,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 05:28:27,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:28:27,880 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 05:28:27,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:28:27,881 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:28:27,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:28:27,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1072104937, now seen corresponding path program 1 times [2024-11-09 05:28:27,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:28:27,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443573652] [2024-11-09 05:28:27,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:28:27,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:28:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:28:28,173 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 05:28:28,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:28:28,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443573652] [2024-11-09 05:28:28,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443573652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:28:28,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614576681] [2024-11-09 05:28:28,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:28:28,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:28:28,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:28:28,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:28:28,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:28:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:28:28,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:28:28,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:28:28,803 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 05:28:28,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:28:28,965 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 05:28:28,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614576681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:28:28,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1744457517] [2024-11-09 05:28:28,999 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-09 05:28:29,000 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:28:29,005 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:28:29,012 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:28:29,013 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:29:04,182 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-09 05:29:04,312 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-09 05:29:04,436 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:30:21,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1744457517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:30:21,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:30:21,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 05:30:21,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318966272] [2024-11-09 05:30:21,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:30:21,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:30:21,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:30:21,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:30:21,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:30:21,258 INFO L87 Difference]: Start difference. First operand 266 states and 370 transitions. Second operand has 23 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 05:30:29,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:30:29,898 INFO L93 Difference]: Finished difference Result 547 states and 778 transitions. [2024-11-09 05:30:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 05:30:29,899 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 78 [2024-11-09 05:30:29,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:30:29,903 INFO L225 Difference]: With dead ends: 547 [2024-11-09 05:30:29,903 INFO L226 Difference]: Without dead ends: 299 [2024-11-09 05:30:29,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 76.8s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:30:29,906 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 26 mSDsluCounter, 2741 mSDsCounter, 0 mSdLazyCounter, 1644 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2965 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:30:29,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2965 Invalid, 1653 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1644 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2024-11-09 05:30:29,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-09 05:30:29,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 289. [2024-11-09 05:30:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 180 states have (on average 1.3666666666666667) internal successors, (246), 184 states have internal predecessors, (246), 79 states have call successors, (79), 29 states have call predecessors, (79), 29 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-09 05:30:29,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 403 transitions. [2024-11-09 05:30:29,990 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 403 transitions. Word has length 78 [2024-11-09 05:30:29,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:30:29,991 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 403 transitions. [2024-11-09 05:30:29,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 05:30:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 403 transitions. [2024-11-09 05:30:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 05:30:29,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:30:29,994 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:30:30,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:30:30,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:30:30,195 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:30:30,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:30:30,195 INFO L85 PathProgramCache]: Analyzing trace with hash 375962560, now seen corresponding path program 1 times [2024-11-09 05:30:30,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:30:30,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379847511] [2024-11-09 05:30:30,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:30:30,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:30:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:30:30,399 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 05:30:30,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:30:30,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379847511] [2024-11-09 05:30:30,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379847511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:30:30,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:30:30,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:30:30,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044702263] [2024-11-09 05:30:30,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:30:30,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:30:30,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:30:30,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:30:30,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:30:30,406 INFO L87 Difference]: Start difference. First operand 289 states and 403 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:30:30,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:30:30,691 INFO L93 Difference]: Finished difference Result 681 states and 986 transitions. [2024-11-09 05:30:30,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:30:30,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 83 [2024-11-09 05:30:30,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:30:30,696 INFO L225 Difference]: With dead ends: 681 [2024-11-09 05:30:30,696 INFO L226 Difference]: Without dead ends: 416 [2024-11-09 05:30:30,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:30:30,699 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 57 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:30:30,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 494 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:30:30,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-09 05:30:30,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 411. [2024-11-09 05:30:30,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 271 states have (on average 1.4243542435424354) internal successors, (386), 275 states have internal predecessors, (386), 110 states have call successors, (110), 29 states have call predecessors, (110), 29 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-09 05:30:30,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 605 transitions. [2024-11-09 05:30:30,855 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 605 transitions. Word has length 83 [2024-11-09 05:30:30,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:30:30,856 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 605 transitions. [2024-11-09 05:30:30,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:30:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 605 transitions. [2024-11-09 05:30:30,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 05:30:30,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:30:30,860 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:30:30,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:30:30,860 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:30:30,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:30:30,861 INFO L85 PathProgramCache]: Analyzing trace with hash 873618368, now seen corresponding path program 1 times [2024-11-09 05:30:30,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:30:30,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297271581] [2024-11-09 05:30:30,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:30:30,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:30:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:30:31,060 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 05:30:31,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:30:31,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297271581] [2024-11-09 05:30:31,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297271581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:30:31,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544769339] [2024-11-09 05:30:31,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:30:31,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:30:31,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:30:31,064 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:30:31,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:30:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:30:31,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:30:31,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:30:31,563 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 05:30:31,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:30:31,677 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 05:30:31,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544769339] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:30:31,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1714002947] [2024-11-09 05:30:31,683 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2024-11-09 05:30:31,684 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:30:31,684 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:30:31,684 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:30:31,685 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:31:14,373 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-09 05:31:14,526 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 452 for LOIs [2024-11-09 05:31:16,233 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:31:44,986 WARN L286 SmtUtils]: Spent 9.04s on a formula simplification. DAG size of input: 452 DAG size of output: 452 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:31:59,077 WARN L286 SmtUtils]: Spent 13.61s on a formula simplification. DAG size of input: 476 DAG size of output: 471 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:32:47,229 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 469 DAG size of output: 466 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:33:11,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1714002947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:11,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:33:11,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 05:33:11,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996978788] [2024-11-09 05:33:11,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:11,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:33:11,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:11,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:33:11,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:33:11,693 INFO L87 Difference]: Start difference. First operand 411 states and 605 transitions. Second operand has 26 states, 17 states have (on average 2.588235294117647) internal successors, (44), 16 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-09 05:33:25,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:25,949 INFO L93 Difference]: Finished difference Result 832 states and 1253 transitions. [2024-11-09 05:33:25,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 05:33:25,950 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.588235294117647) internal successors, (44), 16 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 84 [2024-11-09 05:33:25,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:25,954 INFO L225 Difference]: With dead ends: 832 [2024-11-09 05:33:25,954 INFO L226 Difference]: Without dead ends: 484 [2024-11-09 05:33:25,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 115.4s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:33:25,957 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 43 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 2446 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3448 SdHoareTripleChecker+Invalid, 2454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:25,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3448 Invalid, 2454 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2446 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2024-11-09 05:33:25,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-09 05:33:26,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 425. [2024-11-09 05:33:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 287 states have internal predecessors, (403), 111 states have call successors, (111), 30 states have call predecessors, (111), 30 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-09 05:33:26,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 624 transitions. [2024-11-09 05:33:26,077 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 624 transitions. Word has length 84 [2024-11-09 05:33:26,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:26,077 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 624 transitions. [2024-11-09 05:33:26,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.588235294117647) internal successors, (44), 16 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-09 05:33:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 624 transitions. [2024-11-09 05:33:26,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 05:33:26,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:26,081 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:33:26,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:33:26,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 05:33:26,285 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:33:26,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:26,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1525499110, now seen corresponding path program 1 times [2024-11-09 05:33:26,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:26,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998720440] [2024-11-09 05:33:26,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:26,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:26,481 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 05:33:26,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:26,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998720440] [2024-11-09 05:33:26,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998720440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:26,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74914579] [2024-11-09 05:33:26,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:26,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:26,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:26,484 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:26,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:33:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:26,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:33:26,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:27,026 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 05:33:27,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:27,142 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 05:33:27,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74914579] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:33:27,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1338741893] [2024-11-09 05:33:27,146 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2024-11-09 05:33:27,146 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:33:27,147 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:33:27,147 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:33:27,147 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:35:01,782 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-09 05:35:01,906 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 498 for LOIs [2024-11-09 05:35:03,095 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 507 for LOIs [2024-11-09 05:35:04,255 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 443 for LOIs [2024-11-09 05:35:04,738 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-09 05:35:04,869 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:36:12,801 WARN L286 SmtUtils]: Spent 7.55s on a formula simplification. DAG size of input: 528 DAG size of output: 520 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:36:20,818 WARN L286 SmtUtils]: Spent 7.57s on a formula simplification. DAG size of input: 529 DAG size of output: 520 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:36:48,068 WARN L286 SmtUtils]: Spent 6.83s on a formula simplification. DAG size of input: 508 DAG size of output: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:36:55,795 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification. DAG size of input: 513 DAG size of output: 509 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:37:03,299 WARN L286 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 507 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:37:10,742 WARN L286 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 507 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:37:18,290 WARN L286 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 503 DAG size of output: 499 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:37:25,621 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 498 DAG size of output: 494 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:37:33,017 WARN L286 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 498 DAG size of output: 494 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:37:40,553 WARN L286 SmtUtils]: Spent 6.78s on a formula simplification. DAG size of input: 494 DAG size of output: 490 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:37:40,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1338741893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:40,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:37:40,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 05:37:40,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270723759] [2024-11-09 05:37:40,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:40,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:37:40,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:37:40,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:37:40,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:37:40,563 INFO L87 Difference]: Start difference. First operand 425 states and 624 transitions. Second operand has 33 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-09 05:38:06,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:06,863 INFO L93 Difference]: Finished difference Result 857 states and 1288 transitions. [2024-11-09 05:38:06,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 05:38:06,865 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) Word has length 87 [2024-11-09 05:38:06,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:06,870 INFO L225 Difference]: With dead ends: 857 [2024-11-09 05:38:06,870 INFO L226 Difference]: Without dead ends: 509 [2024-11-09 05:38:06,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 155.7s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:38:06,874 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 104 mSDsluCounter, 4161 mSDsCounter, 0 mSdLazyCounter, 3770 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 3779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:06,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 4385 Invalid, 3779 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3770 Invalid, 0 Unknown, 0 Unchecked, 25.8s Time] [2024-11-09 05:38:06,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-09 05:38:07,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 461. [2024-11-09 05:38:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 313 states have (on average 1.4217252396166133) internal successors, (445), 317 states have internal predecessors, (445), 114 states have call successors, (114), 33 states have call predecessors, (114), 33 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-09 05:38:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 672 transitions. [2024-11-09 05:38:07,096 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 672 transitions. Word has length 87 [2024-11-09 05:38:07,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:07,097 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 672 transitions. [2024-11-09 05:38:07,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-09 05:38:07,098 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 672 transitions. [2024-11-09 05:38:07,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 05:38:07,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:07,101 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:07,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:38:07,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:38:07,306 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:07,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:07,306 INFO L85 PathProgramCache]: Analyzing trace with hash 351012672, now seen corresponding path program 1 times [2024-11-09 05:38:07,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:07,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403086021] [2024-11-09 05:38:07,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:07,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:07,495 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 05:38:07,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:07,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403086021] [2024-11-09 05:38:07,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403086021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:38:07,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089786937] [2024-11-09 05:38:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:07,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:38:07,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:38:07,498 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:38:07,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:38:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:07,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:38:07,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:38:07,989 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 05:38:07,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:38:08,094 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 05:38:08,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089786937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:38:08,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1555452838] [2024-11-09 05:38:08,098 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2024-11-09 05:38:08,098 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:38:08,099 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:38:08,099 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:38:08,099 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:38:57,392 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-09 05:38:57,546 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-09 05:38:57,695 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:40:07,360 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 466 DAG size of output: 464 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:40:13,146 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 467 DAG size of output: 464 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:40:19,121 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 471 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:40:24,953 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 471 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:40:44,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1555452838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:44,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:40:44,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 05:40:44,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364507077] [2024-11-09 05:40:44,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:44,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 05:40:44,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:44,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 05:40:44,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:40:44,871 INFO L87 Difference]: Start difference. First operand 461 states and 672 transitions. Second operand has 27 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 05:40:55,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:55,511 INFO L93 Difference]: Finished difference Result 858 states and 1277 transitions. [2024-11-09 05:40:55,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 05:40:55,512 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 86 [2024-11-09 05:40:55,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:55,518 INFO L225 Difference]: With dead ends: 858 [2024-11-09 05:40:55,518 INFO L226 Difference]: Without dead ends: 510 [2024-11-09 05:40:55,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 107.2s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:40:55,521 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 18 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 2392 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3737 SdHoareTripleChecker+Invalid, 2400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:55,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3737 Invalid, 2400 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2392 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2024-11-09 05:40:55,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-09 05:40:55,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 481. [2024-11-09 05:40:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 333 states have (on average 1.4264264264264264) internal successors, (475), 337 states have internal predecessors, (475), 114 states have call successors, (114), 33 states have call predecessors, (114), 33 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-09 05:40:55,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 702 transitions. [2024-11-09 05:40:55,713 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 702 transitions. Word has length 86 [2024-11-09 05:40:55,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:55,714 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 702 transitions. [2024-11-09 05:40:55,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 05:40:55,714 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 702 transitions. [2024-11-09 05:40:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 05:40:55,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:55,717 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:55,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:40:55,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 05:40:55,918 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:40:55,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:55,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1190596117, now seen corresponding path program 1 times [2024-11-09 05:40:55,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:55,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142912779] [2024-11-09 05:40:55,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:55,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:56,177 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 05:40:56,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:56,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142912779] [2024-11-09 05:40:56,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142912779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:56,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:56,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:40:56,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844987927] [2024-11-09 05:40:56,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:56,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:40:56,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:56,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:40:56,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:40:56,181 INFO L87 Difference]: Start difference. First operand 481 states and 702 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:40:56,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:56,465 INFO L93 Difference]: Finished difference Result 648 states and 904 transitions. [2024-11-09 05:40:56,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:40:56,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 89 [2024-11-09 05:40:56,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:56,470 INFO L225 Difference]: With dead ends: 648 [2024-11-09 05:40:56,470 INFO L226 Difference]: Without dead ends: 531 [2024-11-09 05:40:56,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:40:56,472 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 146 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:56,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 357 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:40:56,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-09 05:40:56,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 530. [2024-11-09 05:40:56,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 358 states have (on average 1.4022346368715084) internal successors, (502), 364 states have internal predecessors, (502), 128 states have call successors, (128), 45 states have call predecessors, (128), 43 states have return successors, (126), 123 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-09 05:40:56,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 756 transitions. [2024-11-09 05:40:56,652 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 756 transitions. Word has length 89 [2024-11-09 05:40:56,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:56,653 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 756 transitions. [2024-11-09 05:40:56,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:40:56,653 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 756 transitions. [2024-11-09 05:40:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 05:40:56,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:56,656 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:56,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:40:56,657 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:40:56,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:56,657 INFO L85 PathProgramCache]: Analyzing trace with hash -983864467, now seen corresponding path program 1 times [2024-11-09 05:40:56,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:56,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627679092] [2024-11-09 05:40:56,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-09 05:40:57,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:57,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627679092] [2024-11-09 05:40:57,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627679092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:57,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:57,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 05:40:57,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201793137] [2024-11-09 05:40:57,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:57,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 05:40:57,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:57,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 05:40:57,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:40:57,315 INFO L87 Difference]: Start difference. First operand 530 states and 756 transitions. Second operand has 12 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 6 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-09 05:40:58,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:58,704 INFO L93 Difference]: Finished difference Result 1057 states and 1477 transitions. [2024-11-09 05:40:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 05:40:58,705 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 6 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) Word has length 152 [2024-11-09 05:40:58,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:58,712 INFO L225 Difference]: With dead ends: 1057 [2024-11-09 05:40:58,712 INFO L226 Difference]: Without dead ends: 900 [2024-11-09 05:40:58,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:40:58,715 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 393 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1636 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:58,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1636 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 05:40:58,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-11-09 05:40:59,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 893. [2024-11-09 05:40:59,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 585 states have (on average 1.4102564102564104) internal successors, (825), 596 states have internal predecessors, (825), 230 states have call successors, (230), 81 states have call predecessors, (230), 77 states have return successors, (225), 221 states have call predecessors, (225), 225 states have call successors, (225) [2024-11-09 05:40:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1280 transitions. [2024-11-09 05:40:59,131 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1280 transitions. Word has length 152 [2024-11-09 05:40:59,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:59,132 INFO L471 AbstractCegarLoop]: Abstraction has 893 states and 1280 transitions. [2024-11-09 05:40:59,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 6 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-09 05:40:59,132 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1280 transitions. [2024-11-09 05:40:59,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 05:40:59,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:59,137 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:59,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:40:59,137 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:40:59,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:59,138 INFO L85 PathProgramCache]: Analyzing trace with hash 869788109, now seen corresponding path program 1 times [2024-11-09 05:40:59,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:59,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215302424] [2024-11-09 05:40:59,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:59,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:59,592 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 05:40:59,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:59,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215302424] [2024-11-09 05:40:59,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215302424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:59,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:59,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:40:59,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895934815] [2024-11-09 05:40:59,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:59,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:40:59,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:59,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:40:59,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:40:59,595 INFO L87 Difference]: Start difference. First operand 893 states and 1280 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-09 05:41:00,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:00,790 INFO L93 Difference]: Finished difference Result 1332 states and 1806 transitions. [2024-11-09 05:41:00,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:41:00,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 151 [2024-11-09 05:41:00,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:00,801 INFO L225 Difference]: With dead ends: 1332 [2024-11-09 05:41:00,801 INFO L226 Difference]: Without dead ends: 1078 [2024-11-09 05:41:00,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:41:00,804 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 258 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:00,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 476 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 05:41:00,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2024-11-09 05:41:01,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1070. [2024-11-09 05:41:01,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 680 states have (on average 1.3764705882352941) internal successors, (936), 699 states have internal predecessors, (936), 278 states have call successors, (278), 113 states have call predecessors, (278), 111 states have return successors, (276), 266 states have call predecessors, (276), 272 states have call successors, (276) [2024-11-09 05:41:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1490 transitions. [2024-11-09 05:41:01,263 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1490 transitions. Word has length 151 [2024-11-09 05:41:01,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:01,263 INFO L471 AbstractCegarLoop]: Abstraction has 1070 states and 1490 transitions. [2024-11-09 05:41:01,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-09 05:41:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1490 transitions. [2024-11-09 05:41:01,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 05:41:01,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:01,268 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:01,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 05:41:01,269 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:41:01,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:01,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1486588382, now seen corresponding path program 1 times [2024-11-09 05:41:01,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:01,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489826746] [2024-11-09 05:41:01,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:01,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-09 05:41:01,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:01,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489826746] [2024-11-09 05:41:01,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489826746] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:41:01,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523520760] [2024-11-09 05:41:01,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:01,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:41:01,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:41:01,610 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:41:01,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54d770-6457-4e7f-9058-fcd8ffa7dab7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:41:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:02,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:41:02,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:41:02,277 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 05:41:02,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:41:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-09 05:41:02,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523520760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:41:02,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1242875200] [2024-11-09 05:41:02,504 INFO L159 IcfgInterpreter]: Started Sifa with 119 locations of interest [2024-11-09 05:41:02,504 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:41:02,505 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:41:02,505 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:41:02,505 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:42:32,318 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-09 05:42:32,460 INFO L197 IcfgInterpreter]: Interpreting procedure setClientAddressBookAddress with input of size 473 for LOIs [2024-11-09 05:42:34,472 INFO L197 IcfgInterpreter]: Interpreting procedure setClientAddressBookSize with input of size 445 for LOIs [2024-11-09 05:42:34,877 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-09 05:42:34,994 INFO L180 IcfgInterpreter]: Interpretation finished