./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E --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 4c8df6e468eecbce541189806946dc0233fe629a6f2a971a54d2c5d7914e97b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:53:48,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:53:48,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:53:48,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:53:48,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:53:48,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:53:48,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:53:48,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:53:48,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:53:48,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:53:48,366 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:53:48,366 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:53:48,366 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:53:48,366 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:53:48,367 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:53:48,367 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:53:48,367 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:53:48,367 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:53:48,367 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:53:48,367 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:53:48,367 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:53:48,368 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:53:48,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:53:48,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:53:48,368 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:53:48,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:53:48,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:53:48,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:53:48,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:53:48,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:53:48,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:53:48,370 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:53:48,370 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:53:48,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:53:48,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:53:48,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:53:48,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:53:48,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:53:48,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:53:48,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:53:48,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:53:48,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:53:48,371 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:53:48,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:53:48,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:53:48,372 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:53:48,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:53:48,372 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E 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 -> 4c8df6e468eecbce541189806946dc0233fe629a6f2a971a54d2c5d7914e97b3 [2024-11-14 02:53:48,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:53:48,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:53:48,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:53:48,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:53:48,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:53:48,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/email_spec6_product34.cil.c Unable to find full path for "g++" [2024-11-14 02:53:51,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:53:51,759 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:53:51,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/sv-benchmarks/c/product-lines/email_spec6_product34.cil.c [2024-11-14 02:53:51,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/data/3180e0ed6/8f28da6d9f8f472b9adeb28be9e83417/FLAGe6206f8e0 [2024-11-14 02:53:51,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/data/3180e0ed6/8f28da6d9f8f472b9adeb28be9e83417 [2024-11-14 02:53:51,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:53:51,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:53:51,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:53:51,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:53:51,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:53:51,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:53:51" (1/1) ... [2024-11-14 02:53:51,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65bbd1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:51, skipping insertion in model container [2024-11-14 02:53:51,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:53:51" (1/1) ... [2024-11-14 02:53:51,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:53:52,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/sv-benchmarks/c/product-lines/email_spec6_product34.cil.c[11485,11498] [2024-11-14 02:53:52,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:53:52,764 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:53:52,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-11-14 02:53:52,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [97] [2024-11-14 02:53:52,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [150] [2024-11-14 02:53:52,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [578] [2024-11-14 02:53:52,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [595] [2024-11-14 02:53:52,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [604] [2024-11-14 02:53:52,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [970] [2024-11-14 02:53:52,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1369] [2024-11-14 02:53:52,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1504] [2024-11-14 02:53:52,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2576] [2024-11-14 02:53:52,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2875] [2024-11-14 02:53:52,814 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_0e71b474-ff20-4150-9e66-226714c08259/sv-benchmarks/c/product-lines/email_spec6_product34.cil.c[11485,11498] [2024-11-14 02:53:52,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:53:53,015 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:53:53,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53 WrapperNode [2024-11-14 02:53:53,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:53:53,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:53:53,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:53:53,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:53:53,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (1/1) ... [2024-11-14 02:53:53,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (1/1) ... [2024-11-14 02:53:53,139 INFO L138 Inliner]: procedures = 135, calls = 224, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1129 [2024-11-14 02:53:53,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:53:53,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:53:53,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:53:53,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:53:53,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (1/1) ... [2024-11-14 02:53:53,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (1/1) ... [2024-11-14 02:53:53,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (1/1) ... [2024-11-14 02:53:53,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (1/1) ... [2024-11-14 02:53:53,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (1/1) ... [2024-11-14 02:53:53,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (1/1) ... [2024-11-14 02:53:53,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (1/1) ... [2024-11-14 02:53:53,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (1/1) ... [2024-11-14 02:53:53,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:53:53,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:53:53,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:53:53,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:53:53,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (1/1) ... [2024-11-14 02:53:53,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:53:53,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:53:53,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:53:53,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:53:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-14 02:53:53,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-14 02:53:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-14 02:53:53,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-14 02:53:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-14 02:53:53,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-14 02:53:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-14 02:53:53,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-14 02:53:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-14 02:53:53,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-14 02:53:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-14 02:53:53,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-14 02:53:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-14 02:53:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-14 02:53:53,356 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-14 02:53:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-14 02:53:53,356 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-14 02:53:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-14 02:53:53,356 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-14 02:53:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-14 02:53:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-14 02:53:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-14 02:53:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-14 02:53:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-14 02:53:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-14 02:53:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-14 02:53:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-14 02:53:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-14 02:53:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:53:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-14 02:53:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-14 02:53:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-14 02:53:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-14 02:53:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-14 02:53:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-14 02:53:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-14 02:53:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-14 02:53:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-14 02:53:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-14 02:53:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-14 02:53:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-14 02:53:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-14 02:53:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-14 02:53:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-14 02:53:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-14 02:53:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-14 02:53:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-14 02:53:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-14 02:53:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-14 02:53:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-14 02:53:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-14 02:53:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-14 02:53:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-14 02:53:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:53:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-14 02:53:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-14 02:53:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-14 02:53:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-14 02:53:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:53:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:53:53,714 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:53:53,717 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:53:55,478 INFO L? ?]: Removed 588 outVars from TransFormulas that were not future-live. [2024-11-14 02:53:55,479 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:53:56,822 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:53:56,822 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:53:56,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:53:56 BoogieIcfgContainer [2024-11-14 02:53:56,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:53:56,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:53:56,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:53:56,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:53:56,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:53:51" (1/3) ... [2024-11-14 02:53:56,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136e8364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:53:56, skipping insertion in model container [2024-11-14 02:53:56,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:53" (2/3) ... [2024-11-14 02:53:56,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136e8364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:53:56, skipping insertion in model container [2024-11-14 02:53:56,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:53:56" (3/3) ... [2024-11-14 02:53:56,834 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product34.cil.c [2024-11-14 02:53:56,855 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:53:56,858 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec6_product34.cil.c that has 29 procedures, 235 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:53:56,942 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:53:56,964 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;@404cdcb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:53:56,964 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:53:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 235 states, 132 states have (on average 1.2878787878787878) internal successors, (170), 137 states have internal predecessors, (170), 73 states have call successors, (73), 28 states have call predecessors, (73), 28 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-14 02:53:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-14 02:53:56,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:56,992 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:53:56,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:57,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:57,001 INFO L85 PathProgramCache]: Analyzing trace with hash -979834765, now seen corresponding path program 1 times [2024-11-14 02:53:57,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:53:57,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859332302] [2024-11-14 02:53:57,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:57,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:53:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:57,599 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 02:53:57,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:53:57,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859332302] [2024-11-14 02:53:57,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859332302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:53:57,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:53:57,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:53:57,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783084383] [2024-11-14 02:53:57,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:53:57,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:53:57,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:53:57,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:53:57,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:53:57,647 INFO L87 Difference]: Start difference. First operand has 235 states, 132 states have (on average 1.2878787878787878) internal successors, (170), 137 states have internal predecessors, (170), 73 states have call successors, (73), 28 states have call predecessors, (73), 28 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 02:53:57,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:53:57,879 INFO L93 Difference]: Finished difference Result 378 states and 503 transitions. [2024-11-14 02:53:57,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:53:57,882 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 87 [2024-11-14 02:53:57,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:53:57,898 INFO L225 Difference]: With dead ends: 378 [2024-11-14 02:53:57,898 INFO L226 Difference]: Without dead ends: 232 [2024-11-14 02:53:57,906 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 [2024-11-14 02:53:57,913 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:53:57,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:53:57,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-14 02:53:58,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-14 02:53:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 130 states have (on average 1.2615384615384615) internal successors, (164), 134 states have internal predecessors, (164), 73 states have call successors, (73), 28 states have call predecessors, (73), 28 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-14 02:53:58,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 309 transitions. [2024-11-14 02:53:58,016 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 309 transitions. Word has length 87 [2024-11-14 02:53:58,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:53:58,018 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 309 transitions. [2024-11-14 02:53:58,018 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 02:53:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 309 transitions. [2024-11-14 02:53:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-14 02:53:58,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:58,024 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:53:58,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:53:58,025 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:58,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:58,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1541152623, now seen corresponding path program 1 times [2024-11-14 02:53:58,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:53:58,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361776359] [2024-11-14 02:53:58,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:58,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:53:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:58,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 02:53:58,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:53:58,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361776359] [2024-11-14 02:53:58,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361776359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:53:58,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:53:58,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:53:58,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838377010] [2024-11-14 02:53:58,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:53:58,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:53:58,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:53:58,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:53:58,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:53:58,512 INFO L87 Difference]: Start difference. First operand 232 states and 309 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 02:53:58,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:53:58,755 INFO L93 Difference]: Finished difference Result 374 states and 488 transitions. [2024-11-14 02:53:58,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:53:58,756 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 88 [2024-11-14 02:53:58,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:53:58,764 INFO L225 Difference]: With dead ends: 374 [2024-11-14 02:53:58,764 INFO L226 Difference]: Without dead ends: 234 [2024-11-14 02:53:58,765 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 [2024-11-14 02:53:58,766 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 0 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:53:58,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 529 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:53:58,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-14 02:53:58,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-11-14 02:53:58,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 136 states have internal predecessors, (166), 73 states have call successors, (73), 28 states have call predecessors, (73), 28 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-14 02:53:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 311 transitions. [2024-11-14 02:53:58,807 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 311 transitions. Word has length 88 [2024-11-14 02:53:58,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:53:58,808 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 311 transitions. [2024-11-14 02:53:58,808 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 02:53:58,808 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 311 transitions. [2024-11-14 02:53:58,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-14 02:53:58,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:58,813 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:53:58,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 02:53:58,813 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:58,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:58,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1491239317, now seen corresponding path program 1 times [2024-11-14 02:53:58,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:53:58,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206553407] [2024-11-14 02:53:58,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:58,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:53:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 02:53:59,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:53:59,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206553407] [2024-11-14 02:53:59,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206553407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:53:59,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:53:59,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:53:59,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310342479] [2024-11-14 02:53:59,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:53:59,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:53:59,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:53:59,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:53:59,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:53:59,110 INFO L87 Difference]: Start difference. First operand 234 states and 311 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-14 02:53:59,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:53:59,348 INFO L93 Difference]: Finished difference Result 503 states and 689 transitions. [2024-11-14 02:53:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:53:59,349 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 104 [2024-11-14 02:53:59,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:53:59,353 INFO L225 Difference]: With dead ends: 503 [2024-11-14 02:53:59,353 INFO L226 Difference]: Without dead ends: 287 [2024-11-14 02:53:59,354 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 [2024-11-14 02:53:59,356 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 59 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:53:59,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 545 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:53:59,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-14 02:53:59,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 282. [2024-11-14 02:53:59,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 166 states have (on average 1.3313253012048192) internal successors, (221), 170 states have internal predecessors, (221), 87 states have call successors, (87), 28 states have call predecessors, (87), 28 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-14 02:53:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 394 transitions. [2024-11-14 02:53:59,387 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 394 transitions. Word has length 104 [2024-11-14 02:53:59,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:53:59,387 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 394 transitions. [2024-11-14 02:53:59,388 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-14 02:53:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 394 transitions. [2024-11-14 02:53:59,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-14 02:53:59,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:59,393 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:53:59,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 02:53:59,393 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:59,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:59,394 INFO L85 PathProgramCache]: Analyzing trace with hash 143252166, now seen corresponding path program 1 times [2024-11-14 02:53:59,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:53:59,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256758449] [2024-11-14 02:53:59,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:59,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:53:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:59,898 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 02:53:59,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:53:59,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256758449] [2024-11-14 02:53:59,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256758449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:53:59,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443946754] [2024-11-14 02:53:59,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:59,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:53:59,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:53:59,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:53:59,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:54:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:54:00,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 02:54:00,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:54:00,691 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 02:54:00,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:54:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 02:54:00,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443946754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:54:00,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [942820286] [2024-11-14 02:54:00,934 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2024-11-14 02:54:00,934 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:54:00,939 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:54:00,944 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:54:00,945 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:54:39,545 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 02:54:39,783 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-14 02:54:40,027 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:55:53,571 WARN L286 SmtUtils]: Spent 12.95s on a formula simplification. DAG size of input: 468 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:56:08,058 WARN L286 SmtUtils]: Spent 13.04s on a formula simplification. DAG size of input: 469 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:56:22,576 WARN L286 SmtUtils]: Spent 12.93s on a formula simplification. DAG size of input: 473 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:56:28,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [942820286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:56:28,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:56:28,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-14 02:56:28,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795384610] [2024-11-14 02:56:28,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:56:28,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 02:56:28,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:56:28,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 02:56:28,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-14 02:56:28,801 INFO L87 Difference]: Start difference. First operand 282 states and 394 transitions. Second operand has 23 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 7 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-14 02:56:41,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:56:41,619 INFO L93 Difference]: Finished difference Result 579 states and 826 transitions. [2024-11-14 02:56:41,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 02:56:41,620 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 7 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 105 [2024-11-14 02:56:41,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:56:41,624 INFO L225 Difference]: With dead ends: 579 [2024-11-14 02:56:41,624 INFO L226 Difference]: Without dead ends: 315 [2024-11-14 02:56:41,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 290 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 108.8s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-14 02:56:41,627 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 26 mSDsluCounter, 3812 mSDsCounter, 0 mSdLazyCounter, 2126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 4055 SdHoareTripleChecker+Invalid, 2135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-14 02:56:41,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 4055 Invalid, 2135 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2126 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2024-11-14 02:56:41,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-14 02:56:41,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 305. [2024-11-14 02:56:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 188 states have (on average 1.351063829787234) internal successors, (254), 192 states have internal predecessors, (254), 87 states have call successors, (87), 29 states have call predecessors, (87), 29 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-14 02:56:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 427 transitions. [2024-11-14 02:56:41,733 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 427 transitions. Word has length 105 [2024-11-14 02:56:41,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:56:41,734 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 427 transitions. [2024-11-14 02:56:41,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 7 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-14 02:56:41,735 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 427 transitions. [2024-11-14 02:56:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-14 02:56:41,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:56:41,744 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:56:41,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 02:56:41,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:56:41,951 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:56:41,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:56:41,952 INFO L85 PathProgramCache]: Analyzing trace with hash 785053995, now seen corresponding path program 1 times [2024-11-14 02:56:41,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:56:41,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475237953] [2024-11-14 02:56:41,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:56:41,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:56:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:56:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 02:56:42,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:56:42,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475237953] [2024-11-14 02:56:42,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475237953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:56:42,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:56:42,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:56:42,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196336205] [2024-11-14 02:56:42,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:56:42,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:56:42,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:56:42,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:56:42,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:56:42,113 INFO L87 Difference]: Start difference. First operand 305 states and 427 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 02:56:42,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:56:42,425 INFO L93 Difference]: Finished difference Result 713 states and 1034 transitions. [2024-11-14 02:56:42,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:56:42,426 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2024-11-14 02:56:42,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:56:42,431 INFO L225 Difference]: With dead ends: 713 [2024-11-14 02:56:42,434 INFO L226 Difference]: Without dead ends: 432 [2024-11-14 02:56:42,436 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 [2024-11-14 02:56:42,437 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 57 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:56:42,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 534 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:56:42,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-14 02:56:42,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 427. [2024-11-14 02:56:42,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 279 states have (on average 1.4121863799283154) internal successors, (394), 283 states have internal predecessors, (394), 118 states have call successors, (118), 29 states have call predecessors, (118), 29 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-14 02:56:42,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 629 transitions. [2024-11-14 02:56:42,568 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 629 transitions. Word has length 99 [2024-11-14 02:56:42,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:56:42,570 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 629 transitions. [2024-11-14 02:56:42,570 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 02:56:42,571 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 629 transitions. [2024-11-14 02:56:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 02:56:42,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:56:42,578 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:56:42,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 02:56:42,578 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:56:42,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:56:42,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1877055092, now seen corresponding path program 1 times [2024-11-14 02:56:42,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:56:42,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772679367] [2024-11-14 02:56:42,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:56:42,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:56:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:56:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 02:56:42,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:56:42,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772679367] [2024-11-14 02:56:42,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772679367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:56:42,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823835044] [2024-11-14 02:56:42,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:56:42,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:56:42,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:56:42,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:56:42,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 02:56:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:56:43,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 02:56:43,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:56:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 02:56:43,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:56:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-14 02:56:43,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823835044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:56:43,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [463086549] [2024-11-14 02:56:43,599 INFO L159 IcfgInterpreter]: Started Sifa with 90 locations of interest [2024-11-14 02:56:43,599 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:56:43,600 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:56:43,600 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:56:43,600 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:57:28,438 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 02:57:28,573 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 453 for LOIs [2024-11-14 02:57:30,066 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:57:59,855 WARN L286 SmtUtils]: Spent 9.27s on a formula simplification. DAG size of input: 453 DAG size of output: 454 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:58:12,518 WARN L286 SmtUtils]: Spent 12.15s on a formula simplification. DAG size of input: 477 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:58:55,718 WARN L286 SmtUtils]: Spent 10.53s on a formula simplification. DAG size of input: 470 DAG size of output: 470 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:59:07,713 WARN L286 SmtUtils]: Spent 10.78s on a formula simplification. DAG size of input: 471 DAG size of output: 470 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:59:19,327 WARN L286 SmtUtils]: Spent 10.38s on a formula simplification. DAG size of input: 475 DAG size of output: 474 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:59:35,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [463086549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:59:35,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:59:35,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-14 02:59:35,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031633339] [2024-11-14 02:59:35,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:59:35,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-14 02:59:35,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:59:35,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-14 02:59:35,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=887, Unknown=0, NotChecked=0, Total=992 [2024-11-14 02:59:35,434 INFO L87 Difference]: Start difference. First operand 427 states and 629 transitions. Second operand has 27 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 17 states have internal predecessors, (53), 8 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2024-11-14 02:59:55,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:59:55,580 INFO L93 Difference]: Finished difference Result 866 states and 1303 transitions. [2024-11-14 02:59:55,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-14 02:59:55,581 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 17 states have internal predecessors, (53), 8 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) Word has length 111 [2024-11-14 02:59:55,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:59:55,588 INFO L225 Difference]: With dead ends: 866 [2024-11-14 02:59:55,590 INFO L226 Difference]: Without dead ends: 502 [2024-11-14 02:59:55,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 304 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 134.1s TimeCoverageRelationStatistics Valid=119, Invalid=1003, Unknown=0, NotChecked=0, Total=1122 [2024-11-14 02:59:55,593 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 110 mSDsluCounter, 3057 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 3304 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:59:55,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 3304 Invalid, 2249 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 2237 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2024-11-14 02:59:55,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-14 02:59:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 441. [2024-11-14 02:59:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 291 states have (on average 1.4123711340206186) internal successors, (411), 295 states have internal predecessors, (411), 119 states have call successors, (119), 30 states have call predecessors, (119), 30 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-14 02:59:55,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 648 transitions. [2024-11-14 02:59:55,706 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 648 transitions. Word has length 111 [2024-11-14 02:59:55,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:59:55,707 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 648 transitions. [2024-11-14 02:59:55,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 17 states have internal predecessors, (53), 8 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2024-11-14 02:59:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 648 transitions. [2024-11-14 02:59:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-14 02:59:55,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:59:55,710 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:59:55,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 02:59:55,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:59:55,911 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:59:55,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:59:55,911 INFO L85 PathProgramCache]: Analyzing trace with hash -565975741, now seen corresponding path program 1 times [2024-11-14 02:59:55,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:59:55,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65043207] [2024-11-14 02:59:55,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:55,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:59:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 02:59:56,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:59:56,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65043207] [2024-11-14 02:59:56,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65043207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:59:56,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101656378] [2024-11-14 02:59:56,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:56,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:59:56,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:59:56,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:59:56,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 02:59:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:56,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 02:59:56,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:59:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 02:59:56,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:59:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 02:59:56,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101656378] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:59:56,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1559311616] [2024-11-14 02:59:56,733 INFO L159 IcfgInterpreter]: Started Sifa with 95 locations of interest [2024-11-14 02:59:56,733 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:59:56,734 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:59:56,734 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:59:56,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:00:50,632 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 03:00:50,741 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 499 for LOIs [2024-11-14 03:00:51,781 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 508 for LOIs [2024-11-14 03:00:52,774 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 444 for LOIs [2024-11-14 03:00:53,105 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-14 03:00:53,209 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:02:05,115 WARN L286 SmtUtils]: Spent 15.26s on a formula simplification. DAG size of input: 528 DAG size of output: 523 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:02:21,573 WARN L286 SmtUtils]: Spent 15.46s on a formula simplification. DAG size of input: 529 DAG size of output: 523 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:02:47,065 WARN L286 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 509 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:02:53,413 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 514 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:02:59,863 WARN L286 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 508 DAG size of output: 504 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:03:05,838 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 508 DAG size of output: 504 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:03:12,106 WARN L286 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 504 DAG size of output: 500 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:03:17,907 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 499 DAG size of output: 495 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:03:24,205 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 499 DAG size of output: 495 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:03:30,667 WARN L286 SmtUtils]: Spent 5.64s 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) [2024-11-14 03:03:30,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1559311616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:03:30,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:03:30,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-14 03:03:30,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894568098] [2024-11-14 03:03:30,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:03:30,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 03:03:30,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:03:30,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 03:03:30,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 03:03:30,674 INFO L87 Difference]: Start difference. First operand 441 states and 648 transitions. Second operand has 33 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 10 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (24), 10 states have call predecessors, (24), 10 states have call successors, (24) [2024-11-14 03:03:56,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:03:56,604 INFO L93 Difference]: Finished difference Result 889 states and 1336 transitions. [2024-11-14 03:03:56,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 03:03:56,606 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 10 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (24), 10 states have call predecessors, (24), 10 states have call successors, (24) Word has length 114 [2024-11-14 03:03:56,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:03:56,611 INFO L225 Difference]: With dead ends: 889 [2024-11-14 03:03:56,612 INFO L226 Difference]: Without dead ends: 525 [2024-11-14 03:03:56,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 157.4s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 03:03:56,615 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 78 mSDsluCounter, 3999 mSDsCounter, 0 mSdLazyCounter, 3651 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 4243 SdHoareTripleChecker+Invalid, 3660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:03:56,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 4243 Invalid, 3660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3651 Invalid, 0 Unknown, 0 Unchecked, 25.5s Time] [2024-11-14 03:03:56,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-14 03:03:56,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 477. [2024-11-14 03:03:56,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 321 states have (on average 1.411214953271028) internal successors, (453), 325 states have internal predecessors, (453), 122 states have call successors, (122), 33 states have call predecessors, (122), 33 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-14 03:03:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 696 transitions. [2024-11-14 03:03:56,814 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 696 transitions. Word has length 114 [2024-11-14 03:03:56,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:03:56,815 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 696 transitions. [2024-11-14 03:03:56,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.789473684210526) internal successors, (53), 18 states have internal predecessors, (53), 10 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (24), 10 states have call predecessors, (24), 10 states have call successors, (24) [2024-11-14 03:03:56,815 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 696 transitions. [2024-11-14 03:03:56,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-14 03:03:56,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:03:56,819 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:03:56,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 03:03:57,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:03:57,023 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:03:57,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:03:57,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1066020698, now seen corresponding path program 1 times [2024-11-14 03:03:57,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:03:57,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457956927] [2024-11-14 03:03:57,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:03:57,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:03:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:03:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 03:03:57,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:03:57,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457956927] [2024-11-14 03:03:57,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457956927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:03:57,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063790979] [2024-11-14 03:03:57,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:03:57,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:03:57,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:03:57,261 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:03:57,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:03:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:03:57,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:03:57,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:03:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 03:03:57,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:03:58,011 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 03:03:58,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063790979] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:03:58,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1360945855] [2024-11-14 03:03:58,017 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2024-11-14 03:03:58,018 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:03:58,019 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:03:58,019 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:03:58,019 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:04:41,432 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 03:04:41,538 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-14 03:04:41,647 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:05:46,718 WARN L286 SmtUtils]: Spent 10.78s on a formula simplification. DAG size of input: 469 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:05:58,786 WARN L286 SmtUtils]: Spent 10.73s on a formula simplification. DAG size of input: 470 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:06:11,281 WARN L286 SmtUtils]: Spent 10.94s on a formula simplification. DAG size of input: 474 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:06:36,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1360945855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:06:36,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:06:36,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2024-11-14 03:06:36,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284890169] [2024-11-14 03:06:36,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:06:36,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-14 03:06:36,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:06:36,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-14 03:06:36,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2024-11-14 03:06:36,590 INFO L87 Difference]: Start difference. First operand 477 states and 696 transitions. Second operand has 28 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-14 03:06:58,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:06:58,367 INFO L93 Difference]: Finished difference Result 890 states and 1325 transitions. [2024-11-14 03:06:58,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-14 03:06:58,368 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 102 [2024-11-14 03:06:58,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:06:58,372 INFO L225 Difference]: With dead ends: 890 [2024-11-14 03:06:58,372 INFO L226 Difference]: Without dead ends: 526 [2024-11-14 03:06:58,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 273 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 124.3s TimeCoverageRelationStatistics Valid=124, Invalid=1066, Unknown=0, NotChecked=0, Total=1190 [2024-11-14 03:06:58,375 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 21 mSDsluCounter, 3989 mSDsCounter, 0 mSdLazyCounter, 2489 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 4228 SdHoareTripleChecker+Invalid, 2498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:06:58,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 4228 Invalid, 2498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2489 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2024-11-14 03:06:58,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-14 03:06:58,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 497. [2024-11-14 03:06:58,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 341 states have (on average 1.4164222873900294) internal successors, (483), 345 states have internal predecessors, (483), 122 states have call successors, (122), 33 states have call predecessors, (122), 33 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-14 03:06:58,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 726 transitions. [2024-11-14 03:06:58,548 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 726 transitions. Word has length 102 [2024-11-14 03:06:58,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:06:58,548 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 726 transitions. [2024-11-14 03:06:58,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-14 03:06:58,548 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 726 transitions. [2024-11-14 03:06:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-14 03:06:58,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:06:58,550 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:06:58,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 03:06:58,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:06:58,751 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:06:58,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:06:58,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1527257810, now seen corresponding path program 1 times [2024-11-14 03:06:58,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:06:58,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773779493] [2024-11-14 03:06:58,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:06:58,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:06:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:06:59,331 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-14 03:06:59,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:06:59,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773779493] [2024-11-14 03:06:59,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773779493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:06:59,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:06:59,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 03:06:59,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212901410] [2024-11-14 03:06:59,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:06:59,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 03:06:59,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:06:59,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 03:06:59,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-14 03:06:59,334 INFO L87 Difference]: Start difference. First operand 497 states and 726 transitions. Second operand has 12 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 5 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-14 03:07:00,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:07:00,916 INFO L93 Difference]: Finished difference Result 984 states and 1422 transitions. [2024-11-14 03:07:00,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 03:07:00,917 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 5 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 116 [2024-11-14 03:07:00,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:07:00,924 INFO L225 Difference]: With dead ends: 984 [2024-11-14 03:07:00,924 INFO L226 Difference]: Without dead ends: 849 [2024-11-14 03:07:00,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-14 03:07:00,929 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 424 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:07:00,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1776 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-14 03:07:00,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-11-14 03:07:01,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 842. [2024-11-14 03:07:01,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 558 states have (on average 1.424731182795699) internal successors, (795), 566 states have internal predecessors, (795), 225 states have call successors, (225), 59 states have call predecessors, (225), 58 states have return successors, (221), 220 states have call predecessors, (221), 221 states have call successors, (221) [2024-11-14 03:07:01,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1241 transitions. [2024-11-14 03:07:01,190 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1241 transitions. Word has length 116 [2024-11-14 03:07:01,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:07:01,191 INFO L471 AbstractCegarLoop]: Abstraction has 842 states and 1241 transitions. [2024-11-14 03:07:01,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 5 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-14 03:07:01,191 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1241 transitions. [2024-11-14 03:07:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-14 03:07:01,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:07:01,195 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:07:01,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 03:07:01,195 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:07:01,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:07:01,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1173879289, now seen corresponding path program 1 times [2024-11-14 03:07:01,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:07:01,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002628089] [2024-11-14 03:07:01,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:07:01,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:07:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:07:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-14 03:07:02,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:07:02,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002628089] [2024-11-14 03:07:02,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002628089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:07:02,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:07:02,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-14 03:07:02,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223770084] [2024-11-14 03:07:02,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:07:02,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:07:02,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:07:02,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:07:02,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:07:02,251 INFO L87 Difference]: Start difference. First operand 842 states and 1241 transitions. Second operand has 16 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 10 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (19), 9 states have call predecessors, (19), 9 states have call successors, (19) [2024-11-14 03:07:04,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:07:04,760 INFO L93 Difference]: Finished difference Result 1953 states and 2697 transitions. [2024-11-14 03:07:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-14 03:07:04,761 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 10 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (19), 9 states have call predecessors, (19), 9 states have call successors, (19) Word has length 105 [2024-11-14 03:07:04,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:07:04,772 INFO L225 Difference]: With dead ends: 1953 [2024-11-14 03:07:04,772 INFO L226 Difference]: Without dead ends: 1685 [2024-11-14 03:07:04,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=791, Unknown=0, NotChecked=0, Total=930 [2024-11-14 03:07:04,779 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 549 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 2637 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 2963 SdHoareTripleChecker+Invalid, 2896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 2637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:07:04,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 2963 Invalid, 2896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 2637 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-14 03:07:04,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2024-11-14 03:07:05,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1661. [2024-11-14 03:07:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1661 states, 1007 states have (on average 1.307845084409136) internal successors, (1317), 1032 states have internal predecessors, (1317), 489 states have call successors, (489), 162 states have call predecessors, (489), 164 states have return successors, (499), 474 states have call predecessors, (499), 471 states have call successors, (499) [2024-11-14 03:07:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1661 states and 2305 transitions. [2024-11-14 03:07:05,197 INFO L78 Accepts]: Start accepts. Automaton has 1661 states and 2305 transitions. Word has length 105 [2024-11-14 03:07:05,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:07:05,199 INFO L471 AbstractCegarLoop]: Abstraction has 1661 states and 2305 transitions. [2024-11-14 03:07:05,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 10 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (19), 9 states have call predecessors, (19), 9 states have call successors, (19) [2024-11-14 03:07:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2305 transitions. [2024-11-14 03:07:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 03:07:05,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:07:05,203 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:07:05,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 03:07:05,204 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:07:05,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:07:05,204 INFO L85 PathProgramCache]: Analyzing trace with hash 549471660, now seen corresponding path program 1 times [2024-11-14 03:07:05,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:07:05,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312488936] [2024-11-14 03:07:05,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:07:05,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:07:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:07:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 03:07:05,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:07:05,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312488936] [2024-11-14 03:07:05,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312488936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:07:05,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851645055] [2024-11-14 03:07:05,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:07:05,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:07:05,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:07:05,410 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:07:05,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e71b474-ff20-4150-9e66-226714c08259/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 03:07:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:07:05,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:07:05,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:07:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 03:07:05,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:07:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 03:07:06,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851645055] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:07:06,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1739635540] [2024-11-14 03:07:06,130 INFO L159 IcfgInterpreter]: Started Sifa with 89 locations of interest [2024-11-14 03:07:06,130 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:07:06,130 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:07:06,130 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:07:06,130 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:07:41,357 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 03:07:41,582 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 453 for LOIs [2024-11-14 03:07:42,749 INFO L180 IcfgInterpreter]: Interpretation finished