./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d6b4da8bd47478af9a0348a2f21d8475ccd8463dda8c629c98551dc6b564226 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:55:05,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:55:06,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:55:06,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:55:06,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:55:06,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:55:06,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:55:06,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:55:06,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:55:06,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:55:06,085 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:55:06,086 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:55:06,086 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:55:06,086 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:55:06,089 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:55:06,089 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:55:06,089 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:55:06,090 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:55:06,090 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:55:06,091 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:55:06,091 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:55:06,096 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:55:06,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:55:06,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:55:06,097 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:55:06,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:55:06,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:55:06,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:55:06,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:55:06,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:55:06,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:55:06,099 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:55:06,099 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:55:06,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:55:06,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:55:06,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:55:06,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:55:06,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:55:06,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:55:06,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:55:06,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:55:06,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:55:06,106 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:55:06,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:55:06,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:55:06,107 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:55:06,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:55:06,107 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_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d6b4da8bd47478af9a0348a2f21d8475ccd8463dda8c629c98551dc6b564226 [2024-11-09 06:55:06,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:55:06,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:55:06,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:55:06,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:55:06,498 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:55:06,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c Unable to find full path for "g++" [2024-11-09 06:55:08,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:55:09,146 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:55:09,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2024-11-09 06:55:09,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/data/842e968c3/7391885c99914d19a96d6c748a4ecc46/FLAG60559c936 [2024-11-09 06:55:09,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/data/842e968c3/7391885c99914d19a96d6c748a4ecc46 [2024-11-09 06:55:09,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:55:09,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:55:09,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:55:09,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:55:09,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:55:09,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:55:09" (1/1) ... [2024-11-09 06:55:09,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a3dfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:09, skipping insertion in model container [2024-11-09 06:55:09,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:55:09" (1/1) ... [2024-11-09 06:55:09,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:55:09,608 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c[8480,8493] [2024-11-09 06:55:09,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:55:10,018 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:55:10,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [48] [2024-11-09 06:55:10,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [81] [2024-11-09 06:55:10,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [119] [2024-11-09 06:55:10,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [411] [2024-11-09 06:55:10,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [428] [2024-11-09 06:55:10,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [437] [2024-11-09 06:55:10,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [501] [2024-11-09 06:55:10,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [867] [2024-11-09 06:55:10,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1100] [2024-11-09 06:55:10,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2173] [2024-11-09 06:55:10,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2580] [2024-11-09 06:55:10,066 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c[8480,8493] [2024-11-09 06:55:10,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:55:10,221 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:55:10,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10 WrapperNode [2024-11-09 06:55:10,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:55:10,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:55:10,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:55:10,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:55:10,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (1/1) ... [2024-11-09 06:55:10,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (1/1) ... [2024-11-09 06:55:10,329 INFO L138 Inliner]: procedures = 127, calls = 185, calls flagged for inlining = 52, calls inlined = 49, statements flattened = 910 [2024-11-09 06:55:10,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:55:10,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:55:10,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:55:10,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:55:10,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (1/1) ... [2024-11-09 06:55:10,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (1/1) ... [2024-11-09 06:55:10,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (1/1) ... [2024-11-09 06:55:10,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (1/1) ... [2024-11-09 06:55:10,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (1/1) ... [2024-11-09 06:55:10,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (1/1) ... [2024-11-09 06:55:10,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (1/1) ... [2024-11-09 06:55:10,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (1/1) ... [2024-11-09 06:55:10,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:55:10,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:55:10,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:55:10,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:55:10,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (1/1) ... [2024-11-09 06:55:10,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:55:10,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:55:10,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:55:10,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:55:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 06:55:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 06:55:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 06:55:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 06:55:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 06:55:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 06:55:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 06:55:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 06:55:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 06:55:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 06:55:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 06:55:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 06:55:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 06:55:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 06:55:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 06:55:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 06:55:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 06:55:10,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 06:55:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-09 06:55:10,563 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-09 06:55:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 06:55:10,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 06:55:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:55:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 06:55:10,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 06:55:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 06:55:10,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 06:55:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 06:55:10,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 06:55:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 06:55:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 06:55:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 06:55:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 06:55:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 06:55:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 06:55:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 06:55:10,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 06:55:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:55:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 06:55:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 06:55:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 06:55:10,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 06:55:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:55:10,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:55:10,823 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:55:10,827 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:55:11,951 INFO L? ?]: Removed 436 outVars from TransFormulas that were not future-live. [2024-11-09 06:55:11,951 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:55:12,800 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:55:12,800 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:55:12,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:55:12 BoogieIcfgContainer [2024-11-09 06:55:12,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:55:12,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:55:12,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:55:12,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:55:12,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:55:09" (1/3) ... [2024-11-09 06:55:12,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e339335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:55:12, skipping insertion in model container [2024-11-09 06:55:12,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:55:10" (2/3) ... [2024-11-09 06:55:12,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e339335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:55:12, skipping insertion in model container [2024-11-09 06:55:12,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:55:12" (3/3) ... [2024-11-09 06:55:12,816 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product40.cil.c [2024-11-09 06:55:12,847 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:55:12,847 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:55:12,964 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:55:12,974 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1813abb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:55:12,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:55:12,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 100 states have internal predecessors, (128), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 06:55:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 06:55:12,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:55:12,998 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:55:12,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:55:13,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:55:13,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2085073948, now seen corresponding path program 1 times [2024-11-09 06:55:13,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:55:13,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505144853] [2024-11-09 06:55:13,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:55:13,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:55:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:55:13,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:55:13,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:55:13,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505144853] [2024-11-09 06:55:13,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505144853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:55:13,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:55:13,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:55:13,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468167782] [2024-11-09 06:55:13,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:55:13,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:55:13,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:55:13,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:55:13,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:55:13,582 INFO L87 Difference]: Start difference. First operand has 171 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 100 states have internal predecessors, (128), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:55:13,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:55:13,727 INFO L93 Difference]: Finished difference Result 250 states and 335 transitions. [2024-11-09 06:55:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:55:13,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 61 [2024-11-09 06:55:13,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:55:13,745 INFO L225 Difference]: With dead ends: 250 [2024-11-09 06:55:13,745 INFO L226 Difference]: Without dead ends: 168 [2024-11-09 06:55:13,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:55:13,759 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:55:13,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:55:13,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-09 06:55:13,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-11-09 06:55:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 95 states have (on average 1.2842105263157895) internal successors, (122), 97 states have internal predecessors, (122), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 06:55:13,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 225 transitions. [2024-11-09 06:55:13,847 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 225 transitions. Word has length 61 [2024-11-09 06:55:13,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:55:13,849 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 225 transitions. [2024-11-09 06:55:13,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:55:13,849 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 225 transitions. [2024-11-09 06:55:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 06:55:13,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:55:13,853 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:55:13,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:55:13,854 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:55:13,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:55:13,854 INFO L85 PathProgramCache]: Analyzing trace with hash -917543696, now seen corresponding path program 1 times [2024-11-09 06:55:13,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:55:13,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475528277] [2024-11-09 06:55:13,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:55:13,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:55:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:55:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:55:14,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:55:14,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475528277] [2024-11-09 06:55:14,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475528277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:55:14,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:55:14,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:55:14,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62277391] [2024-11-09 06:55:14,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:55:14,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:55:14,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:55:14,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:55:14,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:55:14,184 INFO L87 Difference]: Start difference. First operand 168 states and 225 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:55:14,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:55:14,370 INFO L93 Difference]: Finished difference Result 246 states and 320 transitions. [2024-11-09 06:55:14,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:55:14,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2024-11-09 06:55:14,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:55:14,376 INFO L225 Difference]: With dead ends: 246 [2024-11-09 06:55:14,377 INFO L226 Difference]: Without dead ends: 170 [2024-11-09 06:55:14,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:55:14,382 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:55:14,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 385 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:55:14,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-09 06:55:14,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-09 06:55:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 97 states have (on average 1.2783505154639174) internal successors, (124), 99 states have internal predecessors, (124), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 06:55:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 227 transitions. [2024-11-09 06:55:14,406 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 227 transitions. Word has length 62 [2024-11-09 06:55:14,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:55:14,406 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 227 transitions. [2024-11-09 06:55:14,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:55:14,407 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 227 transitions. [2024-11-09 06:55:14,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 06:55:14,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:55:14,410 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:55:14,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:55:14,411 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:55:14,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:55:14,411 INFO L85 PathProgramCache]: Analyzing trace with hash -823534937, now seen corresponding path program 1 times [2024-11-09 06:55:14,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:55:14,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967684089] [2024-11-09 06:55:14,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:55:14,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:55:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:55:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:55:14,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:55:14,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967684089] [2024-11-09 06:55:14,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967684089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:55:14,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:55:14,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:55:14,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659444219] [2024-11-09 06:55:14,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:55:14,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:55:14,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:55:14,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:55:14,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:55:14,592 INFO L87 Difference]: Start difference. First operand 170 states and 227 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:55:14,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:55:14,770 INFO L93 Difference]: Finished difference Result 375 states and 521 transitions. [2024-11-09 06:55:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:55:14,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 67 [2024-11-09 06:55:14,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:55:14,775 INFO L225 Difference]: With dead ends: 375 [2024-11-09 06:55:14,779 INFO L226 Difference]: Without dead ends: 223 [2024-11-09 06:55:14,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:55:14,782 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 59 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:55:14,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 390 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:55:14,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-09 06:55:14,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 218. [2024-11-09 06:55:14,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 131 states have (on average 1.366412213740458) internal successors, (179), 133 states have internal predecessors, (179), 66 states have call successors, (66), 20 states have call predecessors, (66), 20 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 06:55:14,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 310 transitions. [2024-11-09 06:55:14,838 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 310 transitions. Word has length 67 [2024-11-09 06:55:14,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:55:14,839 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 310 transitions. [2024-11-09 06:55:14,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:55:14,839 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 310 transitions. [2024-11-09 06:55:14,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 06:55:14,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:55:14,848 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:55:14,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:55:14,849 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:55:14,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:55:14,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1124326126, now seen corresponding path program 1 times [2024-11-09 06:55:14,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:55:14,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491455679] [2024-11-09 06:55:14,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:55:14,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:55:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:55:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:55:15,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:55:15,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491455679] [2024-11-09 06:55:15,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491455679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:55:15,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188358035] [2024-11-09 06:55:15,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:55:15,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:55:15,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:55:15,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:55:15,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:55:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:55:15,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:55:15,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:55:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:55:15,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:55:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:55:15,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188358035] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:55:15,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1629056578] [2024-11-09 06:55:15,877 INFO L159 IcfgInterpreter]: Started Sifa with 57 locations of interest [2024-11-09 06:55:15,877 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:55:15,884 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:55:15,891 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:55:15,894 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:55:47,002 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 06:55:47,207 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 06:55:47,331 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:56:51,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1629056578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:56:51,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:56:51,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 06:56:51,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777615573] [2024-11-09 06:56:51,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:56:51,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 06:56:51,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:56:51,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 06:56:51,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2024-11-09 06:56:51,287 INFO L87 Difference]: Start difference. First operand 218 states and 310 transitions. Second operand has 23 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 14 states have internal predecessors, (35), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 06:57:03,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:57:03,080 INFO L93 Difference]: Finished difference Result 451 states and 658 transitions. [2024-11-09 06:57:03,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 06:57:03,081 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 14 states have internal predecessors, (35), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 68 [2024-11-09 06:57:03,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:57:03,083 INFO L225 Difference]: With dead ends: 451 [2024-11-09 06:57:03,083 INFO L226 Difference]: Without dead ends: 251 [2024-11-09 06:57:03,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 67.0s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-09 06:57:03,086 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 26 mSDsluCounter, 2515 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2689 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:57:03,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2689 Invalid, 2086 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2024-11-09 06:57:03,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-09 06:57:03,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 241. [2024-11-09 06:57:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 153 states have (on average 1.3856209150326797) internal successors, (212), 155 states have internal predecessors, (212), 66 states have call successors, (66), 21 states have call predecessors, (66), 21 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 06:57:03,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 343 transitions. [2024-11-09 06:57:03,163 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 343 transitions. Word has length 68 [2024-11-09 06:57:03,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:57:03,164 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 343 transitions. [2024-11-09 06:57:03,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 14 states have internal predecessors, (35), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 06:57:03,164 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 343 transitions. [2024-11-09 06:57:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 06:57:03,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:57:03,171 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:57:03,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:57:03,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:57:03,375 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:57:03,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:57:03,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1424464919, now seen corresponding path program 1 times [2024-11-09 06:57:03,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:57:03,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278084730] [2024-11-09 06:57:03,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:57:03,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:57:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:57:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:57:03,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:57:03,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278084730] [2024-11-09 06:57:03,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278084730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:57:03,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:57:03,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:57:03,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082386678] [2024-11-09 06:57:03,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:57:03,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:57:03,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:57:03,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:57:03,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:57:03,472 INFO L87 Difference]: Start difference. First operand 241 states and 343 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 06:57:03,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:57:03,667 INFO L93 Difference]: Finished difference Result 585 states and 866 transitions. [2024-11-09 06:57:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:57:03,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 73 [2024-11-09 06:57:03,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:57:03,670 INFO L225 Difference]: With dead ends: 585 [2024-11-09 06:57:03,670 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 06:57:03,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:57:03,673 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 57 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:57:03,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 389 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:57:03,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 06:57:03,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 363. [2024-11-09 06:57:03,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 244 states have (on average 1.4426229508196722) internal successors, (352), 246 states have internal predecessors, (352), 97 states have call successors, (97), 21 states have call predecessors, (97), 21 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-09 06:57:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 545 transitions. [2024-11-09 06:57:03,766 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 545 transitions. Word has length 73 [2024-11-09 06:57:03,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:57:03,767 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 545 transitions. [2024-11-09 06:57:03,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 06:57:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 545 transitions. [2024-11-09 06:57:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 06:57:03,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:57:03,770 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:57:03,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:57:03,771 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:57:03,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:57:03,771 INFO L85 PathProgramCache]: Analyzing trace with hash 301633669, now seen corresponding path program 1 times [2024-11-09 06:57:03,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:57:03,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211053487] [2024-11-09 06:57:03,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:57:03,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:57:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:57:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:57:03,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:57:03,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211053487] [2024-11-09 06:57:03,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211053487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:57:03,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427562188] [2024-11-09 06:57:03,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:57:03,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:57:03,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:57:03,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:57:03,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:57:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:57:04,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:57:04,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:57:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:57:04,339 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:57:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:57:04,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427562188] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:57:04,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [667880339] [2024-11-09 06:57:04,441 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2024-11-09 06:57:04,441 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:57:04,442 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:57:04,442 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:57:04,442 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:57:39,190 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 06:57:39,457 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 417 for LOIs [2024-11-09 06:57:40,596 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:58:02,038 WARN L286 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 417 DAG size of output: 418 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:58:12,206 WARN L286 SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 441 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:58:50,453 WARN L286 SmtUtils]: Spent 9.68s on a formula simplification. DAG size of input: 438 DAG size of output: 438 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:59:00,968 WARN L286 SmtUtils]: Spent 9.56s on a formula simplification. DAG size of input: 439 DAG size of output: 438 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:59:11,285 WARN L286 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 443 DAG size of output: 442 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:59:22,623 WARN L286 SmtUtils]: Spent 9.37s on a formula simplification. DAG size of input: 443 DAG size of output: 442 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:59:34,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [667880339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:34,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:59:34,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 06:59:34,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828022376] [2024-11-09 06:59:34,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:34,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 06:59:34,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:59:34,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 06:59:34,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2024-11-09 06:59:34,185 INFO L87 Difference]: Start difference. First operand 363 states and 545 transitions. Second operand has 26 states, 17 states have (on average 2.235294117647059) internal successors, (38), 16 states have internal predecessors, (38), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 06:59:49,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:49,492 INFO L93 Difference]: Finished difference Result 736 states and 1133 transitions. [2024-11-09 06:59:49,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 06:59:49,493 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.235294117647059) internal successors, (38), 16 states have internal predecessors, (38), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 74 [2024-11-09 06:59:49,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:49,496 INFO L225 Difference]: With dead ends: 736 [2024-11-09 06:59:49,496 INFO L226 Difference]: Without dead ends: 436 [2024-11-09 06:59:49,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 193 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 116.5s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 06:59:49,503 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 43 mSDsluCounter, 2690 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2865 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:59:49,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 2865 Invalid, 2709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2700 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2024-11-09 06:59:49,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-09 06:59:49,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 377. [2024-11-09 06:59:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 256 states have (on average 1.44140625) internal successors, (369), 258 states have internal predecessors, (369), 98 states have call successors, (98), 22 states have call predecessors, (98), 22 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-09 06:59:49,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 564 transitions. [2024-11-09 06:59:49,660 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 564 transitions. Word has length 74 [2024-11-09 06:59:49,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:49,660 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 564 transitions. [2024-11-09 06:59:49,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.235294117647059) internal successors, (38), 16 states have internal predecessors, (38), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 06:59:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 564 transitions. [2024-11-09 06:59:49,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 06:59:49,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:49,664 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:49,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:59:49,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:59:49,865 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:49,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:49,866 INFO L85 PathProgramCache]: Analyzing trace with hash -35850097, now seen corresponding path program 1 times [2024-11-09 06:59:49,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:59:49,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069665820] [2024-11-09 06:59:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:49,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:50,082 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:59:50,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:59:50,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069665820] [2024-11-09 06:59:50,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069665820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:59:50,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408720565] [2024-11-09 06:59:50,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:50,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:59:50,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:59:50,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:59:50,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:59:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:50,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:59:50,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:59:50,466 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:59:50,590 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:59:50,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408720565] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:59:50,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [509150316] [2024-11-09 06:59:50,594 INFO L159 IcfgInterpreter]: Started Sifa with 66 locations of interest [2024-11-09 06:59:50,594 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:59:50,594 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:59:50,595 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:59:50,595 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:01:03,776 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 07:01:03,954 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 463 for LOIs [2024-11-09 07:01:04,879 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 472 for LOIs [2024-11-09 07:01:05,903 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 408 for LOIs [2024-11-09 07:01:06,227 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 07:01:06,351 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:01:59,737 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 497 DAG size of output: 489 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:03:00,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [509150316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:03:00,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:03:00,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 07:03:00,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076980258] [2024-11-09 07:03:00,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:03:00,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 07:03:00,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:03:00,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 07:03:00,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:03:00,559 INFO L87 Difference]: Start difference. First operand 377 states and 564 transitions. Second operand has 33 states, 19 states have (on average 2.0) internal successors, (38), 18 states have internal predecessors, (38), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-09 07:03:21,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:21,052 INFO L93 Difference]: Finished difference Result 761 states and 1168 transitions. [2024-11-09 07:03:21,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 07:03:21,054 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.0) internal successors, (38), 18 states have internal predecessors, (38), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) Word has length 77 [2024-11-09 07:03:21,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:21,060 INFO L225 Difference]: With dead ends: 761 [2024-11-09 07:03:21,060 INFO L226 Difference]: Without dead ends: 461 [2024-11-09 07:03:21,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 117.4s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 07:03:21,062 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 104 mSDsluCounter, 2863 mSDsCounter, 0 mSdLazyCounter, 3210 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 3036 SdHoareTripleChecker+Invalid, 3220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:21,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 3036 Invalid, 3220 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3210 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2024-11-09 07:03:21,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-09 07:03:21,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 413. [2024-11-09 07:03:21,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 286 states have (on average 1.437062937062937) internal successors, (411), 288 states have internal predecessors, (411), 101 states have call successors, (101), 25 states have call predecessors, (101), 25 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-09 07:03:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 612 transitions. [2024-11-09 07:03:21,234 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 612 transitions. Word has length 77 [2024-11-09 07:03:21,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:21,235 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 612 transitions. [2024-11-09 07:03:21,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.0) internal successors, (38), 18 states have internal predecessors, (38), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-09 07:03:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 612 transitions. [2024-11-09 07:03:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 07:03:21,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:21,239 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:21,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 07:03:21,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:03:21,443 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:03:21,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:21,444 INFO L85 PathProgramCache]: Analyzing trace with hash -2033496251, now seen corresponding path program 1 times [2024-11-09 07:03:21,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:03:21,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914422508] [2024-11-09 07:03:21,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:21,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:03:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:03:21,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:03:21,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914422508] [2024-11-09 07:03:21,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914422508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:03:21,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442038869] [2024-11-09 07:03:21,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:21,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:03:21,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:21,605 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:03:21,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 07:03:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:21,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:03:21,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:03:21,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:03:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 07:03:22,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442038869] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:03:22,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [750201827] [2024-11-09 07:03:22,074 INFO L159 IcfgInterpreter]: Started Sifa with 65 locations of interest [2024-11-09 07:03:22,074 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:03:22,074 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:03:22,075 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:03:22,075 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:04:04,509 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 07:04:04,667 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 07:04:04,792 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:04:59,296 WARN L286 SmtUtils]: Spent 9.48s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:05:09,910 WARN L286 SmtUtils]: Spent 9.57s on a formula simplification. DAG size of input: 438 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:05:20,457 WARN L286 SmtUtils]: Spent 9.56s on a formula simplification. DAG size of input: 442 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:05:32,316 WARN L286 SmtUtils]: Spent 9.82s on a formula simplification. DAG size of input: 442 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:05:44,552 WARN L286 SmtUtils]: Spent 9.83s on a formula simplification. DAG size of input: 442 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:05:56,728 WARN L286 SmtUtils]: Spent 9.75s on a formula simplification. DAG size of input: 442 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:06:09,105 WARN L286 SmtUtils]: Spent 9.68s on a formula simplification. DAG size of input: 442 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:06:14,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [750201827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:06:14,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:06:14,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 07:06:14,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900319523] [2024-11-09 07:06:14,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:06:14,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 07:06:14,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:06:14,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 07:06:14,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=893, Unknown=0, NotChecked=0, Total=992 [2024-11-09 07:06:14,150 INFO L87 Difference]: Start difference. First operand 413 states and 612 transitions. Second operand has 27 states, 19 states have (on average 2.263157894736842) internal successors, (43), 18 states have internal predecessors, (43), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 07:06:29,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:06:29,455 INFO L93 Difference]: Finished difference Result 762 states and 1157 transitions. [2024-11-09 07:06:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 07:06:29,456 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.263157894736842) internal successors, (43), 18 states have internal predecessors, (43), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 76 [2024-11-09 07:06:29,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:06:29,460 INFO L225 Difference]: With dead ends: 762 [2024-11-09 07:06:29,460 INFO L226 Difference]: Without dead ends: 462 [2024-11-09 07:06:29,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 195 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 132.4s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 07:06:29,462 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 18 mSDsluCounter, 2528 mSDsCounter, 0 mSdLazyCounter, 2399 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2697 SdHoareTripleChecker+Invalid, 2408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-11-09 07:06:29,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2697 Invalid, 2408 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2399 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2024-11-09 07:06:29,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-09 07:06:29,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 433. [2024-11-09 07:06:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 306 states have (on average 1.4411764705882353) internal successors, (441), 308 states have internal predecessors, (441), 101 states have call successors, (101), 25 states have call predecessors, (101), 25 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-09 07:06:29,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 642 transitions. [2024-11-09 07:06:29,603 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 642 transitions. Word has length 76 [2024-11-09 07:06:29,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:06:29,604 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 642 transitions. [2024-11-09 07:06:29,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.263157894736842) internal successors, (43), 18 states have internal predecessors, (43), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 07:06:29,604 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 642 transitions. [2024-11-09 07:06:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 07:06:29,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:06:29,607 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:06:29,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 07:06:29,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:06:29,808 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:06:29,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:06:29,808 INFO L85 PathProgramCache]: Analyzing trace with hash -547695947, now seen corresponding path program 1 times [2024-11-09 07:06:29,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:06:29,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647542428] [2024-11-09 07:06:29,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:06:29,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:06:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:06:29,985 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 07:06:29,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:06:29,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647542428] [2024-11-09 07:06:29,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647542428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:06:29,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267306083] [2024-11-09 07:06:29,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:06:29,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:06:29,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:06:29,988 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:06:29,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 07:06:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:06:30,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:06:30,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:06:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 07:06:30,394 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:06:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 07:06:30,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267306083] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:06:30,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1011965960] [2024-11-09 07:06:30,502 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2024-11-09 07:06:30,503 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:06:30,504 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:06:30,504 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:06:30,504 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:07:03,856 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 235 for LOIs [2024-11-09 07:07:04,055 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 419 for LOIs [2024-11-09 07:07:05,492 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:07:31,556 WARN L286 SmtUtils]: Spent 7.94s on a formula simplification. DAG size of input: 419 DAG size of output: 419 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:07:42,954 WARN L286 SmtUtils]: Spent 10.69s on a formula simplification. DAG size of input: 443 DAG size of output: 439 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:08:33,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1011965960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:33,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:08:33,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [6, 5, 5] total 35 [2024-11-09 07:08:33,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319701977] [2024-11-09 07:08:33,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:33,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 07:08:33,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:08:33,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 07:08:33,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1091, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 07:08:33,440 INFO L87 Difference]: Start difference. First operand 433 states and 642 transitions. Second operand has 27 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 17 states have internal predecessors, (39), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 07:08:56,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:08:56,019 INFO L93 Difference]: Finished difference Result 871 states and 1339 transitions. [2024-11-09 07:08:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 07:08:56,021 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 17 states have internal predecessors, (39), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 79 [2024-11-09 07:08:56,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:08:56,025 INFO L225 Difference]: With dead ends: 871 [2024-11-09 07:08:56,025 INFO L226 Difference]: Without dead ends: 531 [2024-11-09 07:08:56,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 207 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 95.1s TimeCoverageRelationStatistics Valid=120, Invalid=1286, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:08:56,028 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 54 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 3267 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 3254 SdHoareTripleChecker+Invalid, 3290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 3267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:08:56,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 3254 Invalid, 3290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [23 Valid, 3267 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2024-11-09 07:08:56,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-09 07:08:56,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 451. [2024-11-09 07:08:56,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 321 states have (on average 1.4361370716510904) internal successors, (461), 324 states have internal predecessors, (461), 103 states have call successors, (103), 26 states have call predecessors, (103), 26 states have return successors, (102), 100 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 07:08:56,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 666 transitions. [2024-11-09 07:08:56,243 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 666 transitions. Word has length 79 [2024-11-09 07:08:56,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:08:56,243 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 666 transitions. [2024-11-09 07:08:56,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 17 states have internal predecessors, (39), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 07:08:56,244 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 666 transitions. [2024-11-09 07:08:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 07:08:56,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:56,247 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:56,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 07:08:56,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1159a4-e622-427d-8ecf-28f8f008239a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:08:56,448 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:08:56,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:56,448 INFO L85 PathProgramCache]: Analyzing trace with hash 257658087, now seen corresponding path program 1 times [2024-11-09 07:08:56,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:08:56,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007814704] [2024-11-09 07:08:56,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:56,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 07:08:56,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:08:56,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007814704] [2024-11-09 07:08:56,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007814704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:56,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:56,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:08:56,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361518483] [2024-11-09 07:08:56,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:56,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:08:56,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:08:56,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:08:56,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:08:56,655 INFO L87 Difference]: Start difference. First operand 451 states and 666 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-09 07:08:57,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:08:57,123 INFO L93 Difference]: Finished difference Result 451 states and 666 transitions. [2024-11-09 07:08:57,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:08:57,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 80 [2024-11-09 07:08:57,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:08:57,125 INFO L225 Difference]: With dead ends: 451 [2024-11-09 07:08:57,125 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 07:08:57,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:08:57,128 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 0 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:08:57,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 751 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:08:57,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 07:08:57,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 07:08:57,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:57,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 07:08:57,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2024-11-09 07:08:57,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:08:57,131 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 07:08:57,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-09 07:08:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 07:08:57,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 07:08:57,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:08:57,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 07:08:57,138 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:57,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 07:09:07,667 WARN L286 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 688 DAG size of output: 631 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)