./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh --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 e6954a366a92a56976ad3f15dd01067d582436273e28a74386bd548c596ad28b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:18:08,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:18:08,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:18:08,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:18:08,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:18:08,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:18:08,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:18:08,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:18:08,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:18:08,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:18:08,435 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:18:08,435 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:18:08,436 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:18:08,436 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:18:08,437 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:18:08,437 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:18:08,438 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:18:08,438 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:18:08,439 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:18:08,439 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:18:08,440 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:18:08,440 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:18:08,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:18:08,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:18:08,442 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:18:08,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:18:08,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:18:08,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:18:08,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:18:08,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:18:08,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:18:08,445 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:18:08,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:18:08,445 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:18:08,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:18:08,446 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:18:08,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:18:08,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:18:08,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:18:08,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:18:08,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:18:08,447 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:18:08,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:18:08,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:18:08,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:18:08,448 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:18:08,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:18:08,449 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6954a366a92a56976ad3f15dd01067d582436273e28a74386bd548c596ad28b [2023-12-02 18:18:08,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:18:08,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:18:08,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:18:08,714 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:18:08,715 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:18:08,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/email_spec7_product35.cil.c [2023-12-02 18:18:11,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:18:11,819 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:18:11,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c [2023-12-02 18:18:11,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/data/4df6702e9/d86f3666fd1f40a0838e583b54ac511f/FLAGb68deff0a [2023-12-02 18:18:11,856 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/data/4df6702e9/d86f3666fd1f40a0838e583b54ac511f [2023-12-02 18:18:11,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:18:11,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:18:11,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:18:11,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:18:11,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:18:11,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:18:11" (1/1) ... [2023-12-02 18:18:11,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd1904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:11, skipping insertion in model container [2023-12-02 18:18:11,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:18:11" (1/1) ... [2023-12-02 18:18:11,947 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:18:12,384 WARN L240 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_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c[48298,48311] [2023-12-02 18:18:12,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:18:12,458 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:18:12,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2023-12-02 18:18:12,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [66] [2023-12-02 18:18:12,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [225] [2023-12-02 18:18:12,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [678] [2023-12-02 18:18:12,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [1749] [2023-12-02 18:18:12,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1768] [2023-12-02 18:18:12,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2134] [2023-12-02 18:18:12,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2143] [2023-12-02 18:18:12,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2181] [2023-12-02 18:18:12,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2491] [2023-12-02 18:18:12,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2888] [2023-12-02 18:18:12,527 WARN L240 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_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c[48298,48311] [2023-12-02 18:18:12,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:18:12,573 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:18:12,581 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:18:12,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12 WrapperNode [2023-12-02 18:18:12,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:18:12,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:18:12,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:18:12,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:18:12,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (1/1) ... [2023-12-02 18:18:12,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (1/1) ... [2023-12-02 18:18:12,665 INFO L138 Inliner]: procedures = 137, calls = 244, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1161 [2023-12-02 18:18:12,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:18:12,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:18:12,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:18:12,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:18:12,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (1/1) ... [2023-12-02 18:18:12,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (1/1) ... [2023-12-02 18:18:12,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (1/1) ... [2023-12-02 18:18:12,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (1/1) ... [2023-12-02 18:18:12,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (1/1) ... [2023-12-02 18:18:12,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (1/1) ... [2023-12-02 18:18:12,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (1/1) ... [2023-12-02 18:18:12,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (1/1) ... [2023-12-02 18:18:12,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:18:12,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:18:12,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:18:12,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:18:12,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (1/1) ... [2023-12-02 18:18:12,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:18:12,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:18:12,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:18:12,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:18:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-02 18:18:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-02 18:18:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-02 18:18:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-02 18:18:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-02 18:18:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-02 18:18:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-02 18:18:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-02 18:18:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-02 18:18:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-02 18:18:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-02 18:18:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-02 18:18:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-02 18:18:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-02 18:18:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-02 18:18:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-02 18:18:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-02 18:18:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-02 18:18:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-02 18:18:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-02 18:18:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-02 18:18:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-02 18:18:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-02 18:18:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-02 18:18:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-02 18:18:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-02 18:18:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-12-02 18:18:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-02 18:18:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-02 18:18:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-02 18:18:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-02 18:18:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-02 18:18:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-02 18:18:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:18:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-02 18:18:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-02 18:18:12,829 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-02 18:18:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-02 18:18:12,829 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-02 18:18:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-02 18:18:12,829 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-02 18:18:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-02 18:18:12,829 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-02 18:18:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-02 18:18:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-02 18:18:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-02 18:18:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-02 18:18:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-02 18:18:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-02 18:18:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-02 18:18:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-02 18:18:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-02 18:18:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-02 18:18:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-02 18:18:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-02 18:18:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-02 18:18:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:18:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-02 18:18:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-02 18:18:12,832 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-02 18:18:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-02 18:18:12,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:18:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:18:13,031 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:18:13,034 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:18:13,842 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:18:14,514 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:18:14,514 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:18:14,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:18:14 BoogieIcfgContainer [2023-12-02 18:18:14,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:18:14,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:18:14,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:18:14,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:18:14,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:18:11" (1/3) ... [2023-12-02 18:18:14,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f6a191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:18:14, skipping insertion in model container [2023-12-02 18:18:14,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:12" (2/3) ... [2023-12-02 18:18:14,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f6a191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:18:14, skipping insertion in model container [2023-12-02 18:18:14,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:18:14" (3/3) ... [2023-12-02 18:18:14,527 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product35.cil.c [2023-12-02 18:18:14,548 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:18:14,549 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:18:14,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:18:14,616 INFO L357 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, mHoare=true, 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;@5e81a2d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:18:14,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:18:14,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 239 states, 134 states have (on average 1.2835820895522387) internal successors, (172), 139 states have internal predecessors, (172), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2023-12-02 18:18:14,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 18:18:14,638 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:18:14,639 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:18:14,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:18:14,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:18:14,645 INFO L85 PathProgramCache]: Analyzing trace with hash 2136714882, now seen corresponding path program 1 times [2023-12-02 18:18:14,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:18:14,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122643430] [2023-12-02 18:18:14,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:18:14,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:18:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:18:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 18:18:15,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:18:15,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122643430] [2023-12-02 18:18:15,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122643430] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:18:15,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:18:15,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:18:15,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347166772] [2023-12-02 18:18:15,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:18:15,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:18:15,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:18:15,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:18:15,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:18:15,054 INFO L87 Difference]: Start difference. First operand has 239 states, 134 states have (on average 1.2835820895522387) internal successors, (172), 139 states have internal predecessors, (172), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:18:15,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:18:15,211 INFO L93 Difference]: Finished difference Result 386 states and 511 transitions. [2023-12-02 18:18:15,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:18:15,214 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 95 [2023-12-02 18:18:15,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:18:15,227 INFO L225 Difference]: With dead ends: 386 [2023-12-02 18:18:15,227 INFO L226 Difference]: Without dead ends: 236 [2023-12-02 18:18:15,234 INFO L412 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 [2023-12-02 18:18:15,237 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:18:15,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:18:15,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-12-02 18:18:15,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2023-12-02 18:18:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 136 states have internal predecessors, (166), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2023-12-02 18:18:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 313 transitions. [2023-12-02 18:18:15,304 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 313 transitions. Word has length 95 [2023-12-02 18:18:15,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:18:15,306 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 313 transitions. [2023-12-02 18:18:15,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:18:15,307 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 313 transitions. [2023-12-02 18:18:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 18:18:15,313 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:18:15,313 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:18:15,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:18:15,314 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:18:15,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:18:15,315 INFO L85 PathProgramCache]: Analyzing trace with hash 205811260, now seen corresponding path program 1 times [2023-12-02 18:18:15,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:18:15,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883154136] [2023-12-02 18:18:15,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:18:15,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:18:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:18:15,585 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 18:18:15,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:18:15,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883154136] [2023-12-02 18:18:15,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883154136] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:18:15,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:18:15,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:18:15,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251014718] [2023-12-02 18:18:15,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:18:15,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:18:15,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:18:15,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:18:15,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:18:15,591 INFO L87 Difference]: Start difference. First operand 236 states and 313 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:18:15,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:18:15,743 INFO L93 Difference]: Finished difference Result 382 states and 496 transitions. [2023-12-02 18:18:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:18:15,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 96 [2023-12-02 18:18:15,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:18:15,748 INFO L225 Difference]: With dead ends: 382 [2023-12-02 18:18:15,748 INFO L226 Difference]: Without dead ends: 238 [2023-12-02 18:18:15,749 INFO L412 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 [2023-12-02 18:18:15,751 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:18:15,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 533 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:18:15,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-12-02 18:18:15,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2023-12-02 18:18:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 134 states have (on average 1.2537313432835822) internal successors, (168), 138 states have internal predecessors, (168), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2023-12-02 18:18:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 315 transitions. [2023-12-02 18:18:15,780 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 315 transitions. Word has length 96 [2023-12-02 18:18:15,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:18:15,780 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 315 transitions. [2023-12-02 18:18:15,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:18:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 315 transitions. [2023-12-02 18:18:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 18:18:15,784 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:18:15,784 INFO L195 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] [2023-12-02 18:18:15,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 18:18:15,785 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:18:15,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:18:15,785 INFO L85 PathProgramCache]: Analyzing trace with hash -2129839773, now seen corresponding path program 1 times [2023-12-02 18:18:15,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:18:15,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505732981] [2023-12-02 18:18:15,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:18:15,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:18:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:18:15,943 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 18:18:15,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:18:15,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505732981] [2023-12-02 18:18:15,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505732981] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:18:15,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:18:15,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:18:15,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152792629] [2023-12-02 18:18:15,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:18:15,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:18:15,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:18:15,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:18:15,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:18:15,947 INFO L87 Difference]: Start difference. First operand 238 states and 315 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:18:16,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:18:16,121 INFO L93 Difference]: Finished difference Result 511 states and 697 transitions. [2023-12-02 18:18:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:18:16,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 101 [2023-12-02 18:18:16,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:18:16,125 INFO L225 Difference]: With dead ends: 511 [2023-12-02 18:18:16,126 INFO L226 Difference]: Without dead ends: 291 [2023-12-02 18:18:16,127 INFO L412 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 [2023-12-02 18:18:16,129 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 59 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:18:16,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 540 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:18:16,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-12-02 18:18:16,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 286. [2023-12-02 18:18:16,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 168 states have (on average 1.3273809523809523) internal successors, (223), 172 states have internal predecessors, (223), 88 states have call successors, (88), 29 states have call predecessors, (88), 29 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2023-12-02 18:18:16,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 398 transitions. [2023-12-02 18:18:16,157 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 398 transitions. Word has length 101 [2023-12-02 18:18:16,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:18:16,158 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 398 transitions. [2023-12-02 18:18:16,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 18:18:16,158 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 398 transitions. [2023-12-02 18:18:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 18:18:16,161 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:18:16,161 INFO L195 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] [2023-12-02 18:18:16,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 18:18:16,162 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:18:16,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:18:16,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2078524257, now seen corresponding path program 1 times [2023-12-02 18:18:16,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:18:16,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102873190] [2023-12-02 18:18:16,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:18:16,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:18:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:18:16,363 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 18:18:16,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:18:16,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102873190] [2023-12-02 18:18:16,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102873190] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:18:16,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136382915] [2023-12-02 18:18:16,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:18:16,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:18:16,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:18:16,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:18:16,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:18:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:18:16,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:18:16,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:18:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 18:18:16,849 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:18:16,938 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 18:18:16,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136382915] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:18:16,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [306636392] [2023-12-02 18:18:16,964 INFO L159 IcfgInterpreter]: Started Sifa with 83 locations of interest [2023-12-02 18:18:16,964 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:18:16,969 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:18:16,975 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:18:16,977 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:19:01,600 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2023-12-02 18:19:01,762 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2023-12-02 18:19:01,937 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:20:03,292 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification. DAG size of input: 505 DAG size of output: 505 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:20:17,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [306636392] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:20:17,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:20:17,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 4, 4] total 29 [2023-12-02 18:20:17,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955210689] [2023-12-02 18:20:17,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:20:17,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 18:20:17,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:20:17,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 18:20:17,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-12-02 18:20:17,570 INFO L87 Difference]: Start difference. First operand 286 states and 398 transitions. Second operand has 24 states, 16 states have (on average 3.0625) internal successors, (49), 15 states have internal predecessors, (49), 7 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2023-12-02 18:20:29,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:20:29,661 INFO L93 Difference]: Finished difference Result 619 states and 896 transitions. [2023-12-02 18:20:29,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 18:20:29,662 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 3.0625) internal successors, (49), 15 states have internal predecessors, (49), 7 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 102 [2023-12-02 18:20:29,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:20:29,666 INFO L225 Difference]: With dead ends: 619 [2023-12-02 18:20:29,666 INFO L226 Difference]: Without dead ends: 351 [2023-12-02 18:20:29,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 75.6s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-12-02 18:20:29,669 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 58 mSDsluCounter, 4435 mSDsCounter, 0 mSdLazyCounter, 2806 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 4719 SdHoareTripleChecker+Invalid, 2815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:20:29,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 4719 Invalid, 2815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2806 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2023-12-02 18:20:29,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-12-02 18:20:29,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 309. [2023-12-02 18:20:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 190 states have (on average 1.3473684210526315) internal successors, (256), 194 states have internal predecessors, (256), 88 states have call successors, (88), 30 states have call predecessors, (88), 30 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2023-12-02 18:20:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 431 transitions. [2023-12-02 18:20:29,759 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 431 transitions. Word has length 102 [2023-12-02 18:20:29,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:20:29,759 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 431 transitions. [2023-12-02 18:20:29,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 3.0625) internal successors, (49), 15 states have internal predecessors, (49), 7 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2023-12-02 18:20:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 431 transitions. [2023-12-02 18:20:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 18:20:29,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:20:29,763 INFO L195 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] [2023-12-02 18:20:29,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:20:29,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:20:29,964 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:20:29,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:20:29,964 INFO L85 PathProgramCache]: Analyzing trace with hash -316642397, now seen corresponding path program 1 times [2023-12-02 18:20:29,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:20:29,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184854294] [2023-12-02 18:20:29,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:20:29,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:20:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 18:20:30,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:20:30,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184854294] [2023-12-02 18:20:30,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184854294] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:20:30,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:20:30,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:20:30,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407067899] [2023-12-02 18:20:30,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:20:30,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:20:30,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:20:30,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:20:30,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:20:30,066 INFO L87 Difference]: Start difference. First operand 309 states and 431 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2023-12-02 18:20:30,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:20:30,288 INFO L93 Difference]: Finished difference Result 721 states and 1042 transitions. [2023-12-02 18:20:30,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:20:30,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 96 [2023-12-02 18:20:30,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:20:30,292 INFO L225 Difference]: With dead ends: 721 [2023-12-02 18:20:30,292 INFO L226 Difference]: Without dead ends: 436 [2023-12-02 18:20:30,294 INFO L412 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 [2023-12-02 18:20:30,295 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 57 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:20:30,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 548 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:20:30,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2023-12-02 18:20:30,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 431. [2023-12-02 18:20:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 281 states have (on average 1.4092526690391458) internal successors, (396), 285 states have internal predecessors, (396), 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) [2023-12-02 18:20:30,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 633 transitions. [2023-12-02 18:20:30,417 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 633 transitions. Word has length 96 [2023-12-02 18:20:30,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:20:30,418 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 633 transitions. [2023-12-02 18:20:30,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2023-12-02 18:20:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 633 transitions. [2023-12-02 18:20:30,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 18:20:30,421 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:20:30,421 INFO L195 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] [2023-12-02 18:20:30,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 18:20:30,422 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:20:30,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:20:30,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1632042605, now seen corresponding path program 1 times [2023-12-02 18:20:30,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:20:30,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372472083] [2023-12-02 18:20:30,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:20:30,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:20:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 18:20:30,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:20:30,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372472083] [2023-12-02 18:20:30,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372472083] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:20:30,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742631360] [2023-12-02 18:20:30,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:20:30,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:20:30,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:20:30,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:20:30,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 18:20:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:30,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:20:30,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:20:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 18:20:30,918 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:20:30,994 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 18:20:30,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742631360] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:20:30,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1081456549] [2023-12-02 18:20:31,000 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2023-12-02 18:20:31,000 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:20:31,001 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:20:31,001 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:20:31,001 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:21:29,039 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2023-12-02 18:21:29,196 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 485 for LOIs [2023-12-02 18:21:31,298 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:21:51,809 WARN L293 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 485 DAG size of output: 485 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:22:01,400 WARN L293 SmtUtils]: Spent 9.33s on a formula simplification. DAG size of input: 515 DAG size of output: 511 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:22:41,984 WARN L293 SmtUtils]: Spent 9.67s on a formula simplification. DAG size of input: 508 DAG size of output: 508 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:23:12,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1081456549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:23:12,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:23:12,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2023-12-02 18:23:12,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125515446] [2023-12-02 18:23:12,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:23:12,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 18:23:12,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:23:12,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 18:23:12,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=940, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 18:23:12,674 INFO L87 Difference]: Start difference. First operand 431 states and 633 transitions. Second operand has 28 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 states have internal predecessors, (52), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2023-12-02 18:23:28,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:23:28,266 INFO L93 Difference]: Finished difference Result 880 states and 1323 transitions. [2023-12-02 18:23:28,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 18:23:28,267 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 states have internal predecessors, (52), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) Word has length 108 [2023-12-02 18:23:28,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:23:28,271 INFO L225 Difference]: With dead ends: 880 [2023-12-02 18:23:28,271 INFO L226 Difference]: Without dead ends: 512 [2023-12-02 18:23:28,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 101.3s TimeCoverageRelationStatistics Valid=116, Invalid=940, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 18:23:28,274 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 76 mSDsluCounter, 3807 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 4058 SdHoareTripleChecker+Invalid, 2744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:23:28,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 4058 Invalid, 2744 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2736 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2023-12-02 18:23:28,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2023-12-02 18:23:28,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 445. [2023-12-02 18:23:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 293 states have (on average 1.4095563139931742) internal successors, (413), 297 states have internal predecessors, (413), 120 states have call successors, (120), 31 states have call predecessors, (120), 31 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2023-12-02 18:23:28,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 652 transitions. [2023-12-02 18:23:28,397 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 652 transitions. Word has length 108 [2023-12-02 18:23:28,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:23:28,397 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 652 transitions. [2023-12-02 18:23:28,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 states have internal predecessors, (52), 8 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2023-12-02 18:23:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 652 transitions. [2023-12-02 18:23:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 18:23:28,401 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:23:28,401 INFO L195 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] [2023-12-02 18:23:28,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 18:23:28,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:23:28,609 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:23:28,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:23:28,610 INFO L85 PathProgramCache]: Analyzing trace with hash 536298107, now seen corresponding path program 1 times [2023-12-02 18:23:28,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:23:28,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208001063] [2023-12-02 18:23:28,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:23:28,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:23:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:23:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 18:23:28,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:23:28,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208001063] [2023-12-02 18:23:28,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208001063] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:23:28,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934992107] [2023-12-02 18:23:28,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:23:28,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:23:28,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:23:28,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:23:28,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 18:23:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:23:29,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:23:29,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:23:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 18:23:29,148 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:23:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 18:23:29,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934992107] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:23:29,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1771750860] [2023-12-02 18:23:29,233 INFO L159 IcfgInterpreter]: Started Sifa with 85 locations of interest [2023-12-02 18:23:29,234 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:23:29,234 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:23:29,234 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:23:29,235 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:24:55,088 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2023-12-02 18:24:55,244 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 544 for LOIs [2023-12-02 18:24:57,104 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 553 for LOIs [2023-12-02 18:24:58,935 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 476 for LOIs [2023-12-02 18:24:59,558 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2023-12-02 18:24:59,716 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:25:58,828 WARN L293 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 581 DAG size of output: 576 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:26:10,638 WARN L293 SmtUtils]: Spent 11.41s on a formula simplification. DAG size of input: 581 DAG size of output: 576 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:27:01,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1771750860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:27:01,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:27:01,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2023-12-02 18:27:01,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186937785] [2023-12-02 18:27:01,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:27:01,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-02 18:27:01,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:27:01,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-02 18:27:01,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 18:27:01,330 INFO L87 Difference]: Start difference. First operand 445 states and 652 transitions. Second operand has 33 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 10 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2023-12-02 18:27:30,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:27:30,596 INFO L93 Difference]: Finished difference Result 905 states and 1358 transitions. [2023-12-02 18:27:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 18:27:30,597 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 10 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) Word has length 100 [2023-12-02 18:27:30,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:27:30,601 INFO L225 Difference]: With dead ends: 905 [2023-12-02 18:27:30,601 INFO L226 Difference]: Without dead ends: 537 [2023-12-02 18:27:30,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 121.6s TimeCoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 18:27:30,604 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 60 mSDsluCounter, 4912 mSDsCounter, 0 mSdLazyCounter, 4215 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 5163 SdHoareTripleChecker+Invalid, 4224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 4215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:27:30,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 5163 Invalid, 4224 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 4215 Invalid, 0 Unknown, 0 Unchecked, 28.8s Time] [2023-12-02 18:27:30,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2023-12-02 18:27:30,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 481. [2023-12-02 18:27:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 323 states have (on average 1.4086687306501549) internal successors, (455), 327 states have internal predecessors, (455), 123 states have call successors, (123), 34 states have call predecessors, (123), 34 states have return successors, (122), 121 states have call predecessors, (122), 122 states have call successors, (122) [2023-12-02 18:27:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 700 transitions. [2023-12-02 18:27:30,775 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 700 transitions. Word has length 100 [2023-12-02 18:27:30,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:27:30,775 INFO L495 AbstractCegarLoop]: Abstraction has 481 states and 700 transitions. [2023-12-02 18:27:30,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 10 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2023-12-02 18:27:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 700 transitions. [2023-12-02 18:27:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 18:27:30,777 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:27:30,777 INFO L195 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] [2023-12-02 18:27:30,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-02 18:27:30,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:27:30,978 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:27:30,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:27:30,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1416139154, now seen corresponding path program 1 times [2023-12-02 18:27:30,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:27:30,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063274963] [2023-12-02 18:27:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:27:30,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:27:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:27:31,099 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 18:27:31,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:27:31,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063274963] [2023-12-02 18:27:31,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063274963] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:27:31,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789617612] [2023-12-02 18:27:31,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:27:31,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:27:31,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:27:31,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:27:31,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85b2c-ef6e-473e-a424-1ba31a8a0b3f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 18:27:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:27:31,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:27:31,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:27:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 18:27:31,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:27:31,537 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 18:27:31,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789617612] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:27:31,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [16816314] [2023-12-02 18:27:31,542 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2023-12-02 18:27:31,542 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:27:31,543 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:27:31,543 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:27:31,543 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:29:08,582 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2023-12-02 18:29:08,739 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2023-12-02 18:29:08,898 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:30:07,289 WARN L293 SmtUtils]: Spent 9.97s on a formula simplification. DAG size of input: 513 DAG size of output: 513 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:30:17,222 WARN L293 SmtUtils]: Spent 9.64s on a formula simplification. DAG size of input: 513 DAG size of output: 513 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:30:28,355 WARN L293 SmtUtils]: Spent 10.77s on a formula simplification. DAG size of input: 519 DAG size of output: 519 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:30:39,696 WARN L293 SmtUtils]: Spent 10.89s on a formula simplification. DAG size of input: 517 DAG size of output: 517 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:30:50,790 WARN L293 SmtUtils]: Spent 10.63s on a formula simplification. DAG size of input: 521 DAG size of output: 521 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:31:01,404 WARN L293 SmtUtils]: Spent 10.15s on a formula simplification. DAG size of input: 519 DAG size of output: 519 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:31:11,813 WARN L293 SmtUtils]: Spent 9.95s on a formula simplification. DAG size of input: 523 DAG size of output: 523 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:31:22,521 WARN L293 SmtUtils]: Spent 10.22s on a formula simplification. DAG size of input: 521 DAG size of output: 521 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:31:33,014 WARN L293 SmtUtils]: Spent 9.98s on a formula simplification. DAG size of input: 525 DAG size of output: 525 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:31:55,040 WARN L293 SmtUtils]: Spent 21.38s on a formula simplification. DAG size of input: 529 DAG size of output: 519 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:32:16,696 WARN L293 SmtUtils]: Spent 21.02s on a formula simplification. DAG size of input: 533 DAG size of output: 523 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)