./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/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_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/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_0255446a-c6ff-420e-83af-b764c8ef9158/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 c46ce92d5d51a05028bbc31057066da504d1448a24c04513108ae9144a2ce103 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:22:53,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:22:54,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:22:54,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:22:54,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:22:54,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:22:54,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:22:54,081 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:22:54,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:22:54,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:22:54,083 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:22:54,084 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:22:54,084 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:22:54,085 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:22:54,085 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:22:54,086 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:22:54,086 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:22:54,087 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:22:54,087 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:22:54,088 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:22:54,088 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:22:54,089 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:22:54,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:22:54,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:22:54,094 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:22:54,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:22:54,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:22:54,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:22:54,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:22:54,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:22:54,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:22:54,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:22:54,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:22:54,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:22:54,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:22:54,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:22:54,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:22:54,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:22:54,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:22:54,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:22:54,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:22:54,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:22:54,105 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:22:54,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:22:54,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:22:54,106 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:22:54,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:22:54,106 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_0255446a-c6ff-420e-83af-b764c8ef9158/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46ce92d5d51a05028bbc31057066da504d1448a24c04513108ae9144a2ce103 [2024-11-09 06:22:54,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:22:54,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:22:54,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:22:54,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:22:54,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:22:54,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec0_product31.cil.c Unable to find full path for "g++" [2024-11-09 06:22:56,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:22:57,044 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:22:57,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/sv-benchmarks/c/product-lines/email_spec0_product31.cil.c [2024-11-09 06:22:57,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/data/882fb96c8/d4e8ac38a95a493599f0f50f985ebc5d/FLAGa6fc82482 [2024-11-09 06:22:57,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/data/882fb96c8/d4e8ac38a95a493599f0f50f985ebc5d [2024-11-09 06:22:57,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:22:57,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:22:57,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:22:57,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:22:57,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:22:57,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:22:57" (1/1) ... [2024-11-09 06:22:57,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0d94e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:57, skipping insertion in model container [2024-11-09 06:22:57,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:22:57" (1/1) ... [2024-11-09 06:22:57,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:22:57,966 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_0255446a-c6ff-420e-83af-b764c8ef9158/sv-benchmarks/c/product-lines/email_spec0_product31.cil.c[35932,35945] [2024-11-09 06:22:58,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:22:58,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:22:58,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-09 06:22:58,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [460] [2024-11-09 06:22:58,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] [2024-11-09 06:22:58,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1051] [2024-11-09 06:22:58,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1356] [2024-11-09 06:22:58,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1716] [2024-11-09 06:22:58,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1736] [2024-11-09 06:22:58,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1771] [2024-11-09 06:22:58,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1780] [2024-11-09 06:22:58,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2847] [2024-11-09 06:22:58,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2982] [2024-11-09 06:22:58,218 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_0255446a-c6ff-420e-83af-b764c8ef9158/sv-benchmarks/c/product-lines/email_spec0_product31.cil.c[35932,35945] [2024-11-09 06:22:58,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:22:58,356 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:22:58,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58 WrapperNode [2024-11-09 06:22:58,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:22:58,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:22:58,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:22:58,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:22:58,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (1/1) ... [2024-11-09 06:22:58,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (1/1) ... [2024-11-09 06:22:58,474 INFO L138 Inliner]: procedures = 131, calls = 203, calls flagged for inlining = 61, calls inlined = 56, statements flattened = 1019 [2024-11-09 06:22:58,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:22:58,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:22:58,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:22:58,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:22:58,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (1/1) ... [2024-11-09 06:22:58,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (1/1) ... [2024-11-09 06:22:58,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (1/1) ... [2024-11-09 06:22:58,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (1/1) ... [2024-11-09 06:22:58,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (1/1) ... [2024-11-09 06:22:58,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (1/1) ... [2024-11-09 06:22:58,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (1/1) ... [2024-11-09 06:22:58,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (1/1) ... [2024-11-09 06:22:58,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:22:58,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:22:58,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:22:58,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:22:58,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (1/1) ... [2024-11-09 06:22:58,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:22:58,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:22:58,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:22:58,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:22:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 06:22:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 06:22:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 06:22:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 06:22:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 06:22:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 06:22:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 06:22:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 06:22:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 06:22:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 06:22:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 06:22:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 06:22:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 06:22:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 06:22:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 06:22:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 06:22:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 06:22:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 06:22:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 06:22:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 06:22:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 06:22:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 06:22:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 06:22:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 06:22:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:22:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 06:22:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 06:22:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 06:22:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 06:22:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 06:22:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 06:22:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 06:22:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 06:22:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 06:22:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 06:22:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 06:22:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 06:22:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 06:22:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 06:22:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 06:22:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 06:22:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 06:22:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 06:22:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 06:22:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 06:22:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:22:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 06:22:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 06:22:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:22:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:22:58,968 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:22:58,972 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:23:00,074 INFO L? ?]: Removed 473 outVars from TransFormulas that were not future-live. [2024-11-09 06:23:00,074 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:23:00,742 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:23:00,743 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:23:00,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:23:00 BoogieIcfgContainer [2024-11-09 06:23:00,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:23:00,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:23:00,747 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:23:00,752 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:23:00,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:22:57" (1/3) ... [2024-11-09 06:23:00,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cec6cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:23:00, skipping insertion in model container [2024-11-09 06:23:00,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:58" (2/3) ... [2024-11-09 06:23:00,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cec6cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:23:00, skipping insertion in model container [2024-11-09 06:23:00,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:23:00" (3/3) ... [2024-11-09 06:23:00,757 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product31.cil.c [2024-11-09 06:23:00,775 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:23:00,775 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:23:00,863 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:23:00,872 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;@6d3f2cca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:23:00,872 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:23:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 119 states have internal predecessors, (151), 58 states have call successors, (58), 23 states have call predecessors, (58), 23 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-09 06:23:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 06:23:00,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:00,897 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 06:23:00,898 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:00,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:00,905 INFO L85 PathProgramCache]: Analyzing trace with hash 137914577, now seen corresponding path program 1 times [2024-11-09 06:23:00,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:00,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320699204] [2024-11-09 06:23:00,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:00,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:23:01,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:01,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320699204] [2024-11-09 06:23:01,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320699204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:01,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:01,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:23:01,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219757337] [2024-11-09 06:23:01,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:01,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:23:01,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:01,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:23:01,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:23:01,471 INFO L87 Difference]: Start difference. First operand has 198 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 119 states have internal predecessors, (151), 58 states have call successors, (58), 23 states have call predecessors, (58), 23 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:23:01,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:01,639 INFO L93 Difference]: Finished difference Result 313 states and 412 transitions. [2024-11-09 06:23:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:23:01,645 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 92 [2024-11-09 06:23:01,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:01,660 INFO L225 Difference]: With dead ends: 313 [2024-11-09 06:23:01,660 INFO L226 Difference]: Without dead ends: 195 [2024-11-09 06:23:01,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:23:01,674 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:01,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 227 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:23:01,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-09 06:23:01,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-11-09 06:23:01,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 113 states have (on average 1.2831858407079646) internal successors, (145), 116 states have internal predecessors, (145), 58 states have call successors, (58), 23 states have call predecessors, (58), 23 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-09 06:23:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 260 transitions. [2024-11-09 06:23:01,745 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 260 transitions. Word has length 92 [2024-11-09 06:23:01,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:01,746 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 260 transitions. [2024-11-09 06:23:01,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:23:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 260 transitions. [2024-11-09 06:23:01,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 06:23:01,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:01,752 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 06:23:01,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:23:01,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:01,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:01,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1990374254, now seen corresponding path program 1 times [2024-11-09 06:23:01,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:01,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412505449] [2024-11-09 06:23:01,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:01,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:23:02,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:02,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412505449] [2024-11-09 06:23:02,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412505449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:02,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:02,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:23:02,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356819480] [2024-11-09 06:23:02,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:02,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:23:02,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:02,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:23:02,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:02,100 INFO L87 Difference]: Start difference. First operand 195 states and 260 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:23:02,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:02,255 INFO L93 Difference]: Finished difference Result 309 states and 400 transitions. [2024-11-09 06:23:02,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:23:02,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 93 [2024-11-09 06:23:02,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:02,258 INFO L225 Difference]: With dead ends: 309 [2024-11-09 06:23:02,258 INFO L226 Difference]: Without dead ends: 197 [2024-11-09 06:23:02,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:02,260 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 0 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:02,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 447 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:23:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-09 06:23:02,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-09 06:23:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 115 states have (on average 1.2782608695652173) internal successors, (147), 118 states have internal predecessors, (147), 58 states have call successors, (58), 23 states have call predecessors, (58), 23 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-09 06:23:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 262 transitions. [2024-11-09 06:23:02,285 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 262 transitions. Word has length 93 [2024-11-09 06:23:02,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:02,286 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 262 transitions. [2024-11-09 06:23:02,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:23:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 262 transitions. [2024-11-09 06:23:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 06:23:02,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:02,289 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 06:23:02,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:23:02,290 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:02,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:02,291 INFO L85 PathProgramCache]: Analyzing trace with hash 590988156, now seen corresponding path program 1 times [2024-11-09 06:23:02,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:02,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142514100] [2024-11-09 06:23:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:02,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:23:02,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:02,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142514100] [2024-11-09 06:23:02,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142514100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:02,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:02,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:23:02,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035377747] [2024-11-09 06:23:02,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:02,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:23:02,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:02,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:23:02,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:02,468 INFO L87 Difference]: Start difference. First operand 197 states and 262 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:23:02,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:02,600 INFO L93 Difference]: Finished difference Result 424 states and 583 transitions. [2024-11-09 06:23:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:23:02,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 98 [2024-11-09 06:23:02,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:02,606 INFO L225 Difference]: With dead ends: 424 [2024-11-09 06:23:02,610 INFO L226 Difference]: Without dead ends: 245 [2024-11-09 06:23:02,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:02,613 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 57 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:02,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 458 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:23:02,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-09 06:23:02,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 240. [2024-11-09 06:23:02,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 147 states have (on average 1.3605442176870748) internal successors, (200), 150 states have internal predecessors, (200), 69 states have call successors, (69), 23 states have call predecessors, (69), 23 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-09 06:23:02,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 337 transitions. [2024-11-09 06:23:02,660 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 337 transitions. Word has length 98 [2024-11-09 06:23:02,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:02,661 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 337 transitions. [2024-11-09 06:23:02,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:23:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2024-11-09 06:23:02,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 06:23:02,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:02,669 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 06:23:02,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:23:02,670 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:02,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:02,670 INFO L85 PathProgramCache]: Analyzing trace with hash -767610310, now seen corresponding path program 1 times [2024-11-09 06:23:02,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:02,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190277075] [2024-11-09 06:23:02,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:02,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:23:02,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:02,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190277075] [2024-11-09 06:23:02,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190277075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:23:02,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913616911] [2024-11-09 06:23:02,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:02,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:23:02,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:23:02,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:23:02,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:23:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:03,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:23:03,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:23:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:23:03,598 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:23:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:23:03,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913616911] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:23:03,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [195100568] [2024-11-09 06:23:03,817 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2024-11-09 06:23:03,817 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:23:03,822 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:23:03,829 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:23:03,830 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:23:41,218 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:23:41,450 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 06:23:41,748 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:24:49,206 WARN L286 SmtUtils]: Spent 11.44s on a formula simplification. DAG size of input: 455 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:25:01,478 WARN L286 SmtUtils]: Spent 11.38s on a formula simplification. DAG size of input: 456 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:25:13,859 WARN L286 SmtUtils]: Spent 11.33s on a formula simplification. DAG size of input: 460 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:25:19,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [195100568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:25:19,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:25:19,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 06:25:19,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143936257] [2024-11-09 06:25:19,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:25:19,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 06:25:19,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:25:19,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 06:25:19,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 06:25:19,325 INFO L87 Difference]: Start difference. First operand 240 states and 337 transitions. Second operand has 23 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 7 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 06:25:32,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:25:32,753 INFO L93 Difference]: Finished difference Result 494 states and 710 transitions. [2024-11-09 06:25:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 06:25:32,754 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 7 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 99 [2024-11-09 06:25:32,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:25:32,757 INFO L225 Difference]: With dead ends: 494 [2024-11-09 06:25:32,757 INFO L226 Difference]: Without dead ends: 272 [2024-11-09 06:25:32,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 272 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 100.9s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-09 06:25:32,760 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 25 mSDsluCounter, 3110 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3316 SdHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:25:32,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3316 Invalid, 1973 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 1963 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-09 06:25:32,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-09 06:25:32,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 263. [2024-11-09 06:25:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 169 states have (on average 1.378698224852071) internal successors, (233), 172 states have internal predecessors, (233), 69 states have call successors, (69), 24 states have call predecessors, (69), 24 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-09 06:25:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 370 transitions. [2024-11-09 06:25:32,836 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 370 transitions. Word has length 99 [2024-11-09 06:25:32,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:25:32,836 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 370 transitions. [2024-11-09 06:25:32,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 7 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 06:25:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 370 transitions. [2024-11-09 06:25:32,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 06:25:32,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:25:32,840 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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 06:25:32,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:25:33,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:25:33,041 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:25:33,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:25:33,042 INFO L85 PathProgramCache]: Analyzing trace with hash -43759677, now seen corresponding path program 1 times [2024-11-09 06:25:33,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:25:33,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789509690] [2024-11-09 06:25:33,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:33,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:25:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:25:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:25:33,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:25:33,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789509690] [2024-11-09 06:25:33,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789509690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:25:33,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:25:33,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:25:33,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042639995] [2024-11-09 06:25:33,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:25:33,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:25:33,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:25:33,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:25:33,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:25:33,175 INFO L87 Difference]: Start difference. First operand 263 states and 370 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 06:25:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:25:33,376 INFO L93 Difference]: Finished difference Result 619 states and 904 transitions. [2024-11-09 06:25:33,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:25:33,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 104 [2024-11-09 06:25:33,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:25:33,380 INFO L225 Difference]: With dead ends: 619 [2024-11-09 06:25:33,381 INFO L226 Difference]: Without dead ends: 380 [2024-11-09 06:25:33,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:25:33,384 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 55 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:25:33,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 461 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:25:33,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-09 06:25:33,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 375. [2024-11-09 06:25:33,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 256 states have (on average 1.44140625) internal successors, (369), 259 states have internal predecessors, (369), 94 states have call successors, (94), 24 states have call predecessors, (94), 24 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-09 06:25:33,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 556 transitions. [2024-11-09 06:25:33,484 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 556 transitions. Word has length 104 [2024-11-09 06:25:33,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:25:33,484 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 556 transitions. [2024-11-09 06:25:33,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 06:25:33,485 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 556 transitions. [2024-11-09 06:25:33,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 06:25:33,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:25:33,488 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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] [2024-11-09 06:25:33,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:25:33,491 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:25:33,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:25:33,492 INFO L85 PathProgramCache]: Analyzing trace with hash 55427422, now seen corresponding path program 1 times [2024-11-09 06:25:33,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:25:33,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696883793] [2024-11-09 06:25:33,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:33,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:25:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:25:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:25:33,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:25:33,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696883793] [2024-11-09 06:25:33,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696883793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:25:33,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498385918] [2024-11-09 06:25:33,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:33,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:25:33,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:25:33,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:25:33,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:25:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:25:34,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:25:34,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:25:34,169 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:25:34,170 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:25:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:25:34,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498385918] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:25:34,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [552546343] [2024-11-09 06:25:34,307 INFO L159 IcfgInterpreter]: Started Sifa with 80 locations of interest [2024-11-09 06:25:34,308 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:25:34,308 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:25:34,309 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:25:34,309 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:26:15,729 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:26:15,876 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 440 for LOIs [2024-11-09 06:26:17,398 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:26:42,029 WARN L286 SmtUtils]: Spent 7.42s on a formula simplification. DAG size of input: 440 DAG size of output: 440 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:26:53,671 WARN L286 SmtUtils]: Spent 11.28s on a formula simplification. DAG size of input: 464 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:27:38,672 WARN L286 SmtUtils]: Spent 11.39s on a formula simplification. DAG size of input: 457 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:27:50,744 WARN L286 SmtUtils]: Spent 11.16s on a formula simplification. DAG size of input: 458 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:28:02,419 WARN L286 SmtUtils]: Spent 10.63s on a formula simplification. DAG size of input: 462 DAG size of output: 461 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:28:14,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [552546343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:28:14,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:28:14,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 06:28:14,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932733337] [2024-11-09 06:28:14,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:28:14,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 06:28:14,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:28:14,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 06:28:14,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2024-11-09 06:28:14,987 INFO L87 Difference]: Start difference. First operand 375 states and 556 transitions. Second operand has 27 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 17 states have internal predecessors, (50), 8 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-09 06:28:42,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:28:42,548 INFO L93 Difference]: Finished difference Result 762 states and 1155 transitions. [2024-11-09 06:28:42,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 06:28:42,549 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 17 states have internal predecessors, (50), 8 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) Word has length 105 [2024-11-09 06:28:42,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:28:42,552 INFO L225 Difference]: With dead ends: 762 [2024-11-09 06:28:42,552 INFO L226 Difference]: Without dead ends: 450 [2024-11-09 06:28:42,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 286 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 132.7s TimeCoverageRelationStatistics Valid=134, Invalid=1126, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 06:28:42,555 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 87 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 2538 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 3714 SdHoareTripleChecker+Invalid, 2551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:28:42,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 3714 Invalid, 2551 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2538 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2024-11-09 06:28:42,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-09 06:28:42,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 389. [2024-11-09 06:28:42,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 268 states have (on average 1.4402985074626866) internal successors, (386), 271 states have internal predecessors, (386), 95 states have call successors, (95), 25 states have call predecessors, (95), 25 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-09 06:28:42,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 575 transitions. [2024-11-09 06:28:42,677 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 575 transitions. Word has length 105 [2024-11-09 06:28:42,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:28:42,680 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 575 transitions. [2024-11-09 06:28:42,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 17 states have internal predecessors, (50), 8 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-09 06:28:42,680 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 575 transitions. [2024-11-09 06:28:42,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 06:28:42,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:28:42,686 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 06:28:42,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:28:42,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:28:42,887 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:28:42,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:28:42,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1553504239, now seen corresponding path program 1 times [2024-11-09 06:28:42,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:28:42,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821521494] [2024-11-09 06:28:42,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:42,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:28:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:28:43,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:28:43,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821521494] [2024-11-09 06:28:43,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821521494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:28:43,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73854572] [2024-11-09 06:28:43,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:28:43,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:28:43,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:28:43,085 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:28:43,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:28:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:28:43,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:28:43,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:28:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:28:43,580 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:28:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:28:43,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73854572] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:28:43,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2017237750] [2024-11-09 06:28:43,715 INFO L159 IcfgInterpreter]: Started Sifa with 85 locations of interest [2024-11-09 06:28:43,715 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:28:43,716 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:28:43,716 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:28:43,716 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:29:41,670 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:29:41,792 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 486 for LOIs [2024-11-09 06:29:43,092 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 495 for LOIs [2024-11-09 06:29:44,185 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 431 for LOIs [2024-11-09 06:29:44,555 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 06:29:44,748 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:30:47,781 WARN L286 SmtUtils]: Spent 13.01s on a formula simplification. DAG size of input: 515 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:31:01,715 WARN L286 SmtUtils]: Spent 13.24s on a formula simplification. DAG size of input: 516 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:31:22,538 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 496 DAG size of output: 496 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:31:28,393 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 501 DAG size of output: 497 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:31:34,090 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:31:39,769 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:31:45,369 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 491 DAG size of output: 487 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:31:50,898 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:31:56,466 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:32:01,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2017237750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:32:01,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:32:01,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 06:32:01,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952303338] [2024-11-09 06:32:01,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:32:01,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 06:32:01,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:32:01,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 06:32:01,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 06:32:01,948 INFO L87 Difference]: Start difference. First operand 389 states and 575 transitions. Second operand has 33 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 10 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-09 06:32:24,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:32:24,648 INFO L93 Difference]: Finished difference Result 783 states and 1186 transitions. [2024-11-09 06:32:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 06:32:24,648 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 10 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) Word has length 108 [2024-11-09 06:32:24,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:32:24,652 INFO L225 Difference]: With dead ends: 783 [2024-11-09 06:32:24,652 INFO L226 Difference]: Without dead ends: 471 [2024-11-09 06:32:24,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 140.5s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 06:32:24,655 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 75 mSDsluCounter, 3563 mSDsCounter, 0 mSdLazyCounter, 3426 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 3767 SdHoareTripleChecker+Invalid, 3436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:32:24,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 3767 Invalid, 3436 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3426 Invalid, 0 Unknown, 0 Unchecked, 19.0s Time] [2024-11-09 06:32:24,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-09 06:32:24,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 425. [2024-11-09 06:32:24,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 298 states have (on average 1.436241610738255) internal successors, (428), 301 states have internal predecessors, (428), 98 states have call successors, (98), 28 states have call predecessors, (98), 28 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-09 06:32:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 623 transitions. [2024-11-09 06:32:24,864 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 623 transitions. Word has length 108 [2024-11-09 06:32:24,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:32:24,865 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 623 transitions. [2024-11-09 06:32:24,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 10 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-09 06:32:24,866 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 623 transitions. [2024-11-09 06:32:24,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 06:32:24,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:32:24,869 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 06:32:24,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 06:32:25,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:32:25,074 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:32:25,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:32:25,074 INFO L85 PathProgramCache]: Analyzing trace with hash 588888420, now seen corresponding path program 1 times [2024-11-09 06:32:25,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:32:25,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268997490] [2024-11-09 06:32:25,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:32:25,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:32:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:32:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:32:25,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:32:25,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268997490] [2024-11-09 06:32:25,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268997490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:32:25,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630010538] [2024-11-09 06:32:25,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:32:25,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:32:25,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:32:25,365 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:32:25,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:32:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:32:25,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:32:25,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:32:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:32:25,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:32:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 06:32:25,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630010538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:32:25,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [566877354] [2024-11-09 06:32:25,984 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2024-11-09 06:32:25,984 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:32:25,985 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:32:25,985 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:32:25,985 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:33:06,893 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:33:07,012 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 06:33:07,175 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:34:08,981 WARN L286 SmtUtils]: Spent 10.34s on a formula simplification. DAG size of input: 456 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:34:20,348 WARN L286 SmtUtils]: Spent 10.41s on a formula simplification. DAG size of input: 457 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:34:31,764 WARN L286 SmtUtils]: Spent 10.39s on a formula simplification. DAG size of input: 461 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:34:56,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [566877354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:56,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:34:56,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 06:34:56,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847140370] [2024-11-09 06:34:56,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:56,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 06:34:56,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:56,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 06:34:56,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 06:34:56,224 INFO L87 Difference]: Start difference. First operand 425 states and 623 transitions. Second operand has 27 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 18 states have internal predecessors, (55), 7 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 06:35:11,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:35:11,163 INFO L93 Difference]: Finished difference Result 785 states and 1177 transitions. [2024-11-09 06:35:11,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 06:35:11,164 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 18 states have internal predecessors, (55), 7 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2024-11-09 06:35:11,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:11,168 INFO L225 Difference]: With dead ends: 785 [2024-11-09 06:35:11,168 INFO L226 Difference]: Without dead ends: 473 [2024-11-09 06:35:11,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 288 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 112.5s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 06:35:11,171 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 17 mSDsluCounter, 2727 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2926 SdHoareTripleChecker+Invalid, 2212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:35:11,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2926 Invalid, 2212 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2203 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2024-11-09 06:35:11,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-09 06:35:11,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 445. [2024-11-09 06:35:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 318 states have (on average 1.440251572327044) internal successors, (458), 321 states have internal predecessors, (458), 98 states have call successors, (98), 28 states have call predecessors, (98), 28 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-09 06:35:11,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 653 transitions. [2024-11-09 06:35:11,410 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 653 transitions. Word has length 107 [2024-11-09 06:35:11,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:11,410 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 653 transitions. [2024-11-09 06:35:11,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 18 states have internal predecessors, (55), 7 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 06:35:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 653 transitions. [2024-11-09 06:35:11,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 06:35:11,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:11,415 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2024-11-09 06:35:11,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 06:35:11,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:35:11,615 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:35:11,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:11,616 INFO L85 PathProgramCache]: Analyzing trace with hash 423416183, now seen corresponding path program 1 times [2024-11-09 06:35:11,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:35:11,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281647296] [2024-11-09 06:35:11,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:11,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:35:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 06:35:12,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:35:12,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281647296] [2024-11-09 06:35:12,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281647296] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:35:12,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659147367] [2024-11-09 06:35:12,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:12,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:35:12,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:35:12,776 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:35:12,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0255446a-c6ff-420e-83af-b764c8ef9158/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:35:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:13,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:35:13,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:35:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:35:13,297 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:35:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:35:13,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659147367] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:35:13,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [415811894] [2024-11-09 06:35:13,442 INFO L159 IcfgInterpreter]: Started Sifa with 80 locations of interest [2024-11-09 06:35:13,443 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:35:13,443 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:35:13,443 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:35:13,443 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:35:51,670 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:35:51,858 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 440 for LOIs [2024-11-09 06:35:53,623 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:36:18,537 WARN L286 SmtUtils]: Spent 7.48s on a formula simplification. DAG size of input: 440 DAG size of output: 440 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:36:30,154 WARN L286 SmtUtils]: Spent 10.67s on a formula simplification. DAG size of input: 464 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)