./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23422b93e8eb894b39d133f7e6eb45372f0db0df72df3fa3f3890b8e90f2fd0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:21:18,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:21:18,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:21:18,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:21:18,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:21:19,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:21:19,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:21:19,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:21:19,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:21:19,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:21:19,012 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:21:19,012 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:21:19,012 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:21:19,012 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:21:19,012 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:21:19,012 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:21:19,013 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:21:19,013 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:21:19,013 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:21:19,013 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:21:19,013 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:21:19,013 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:21:19,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:21:19,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:21:19,014 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:21:19,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:21:19,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:21:19,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:21:19,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:21:19,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:21:19,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:21:19,014 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:21:19,014 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:21:19,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:21:19,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:21:19,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:21:19,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:21:19,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:21:19,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:21:19,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:21:19,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:21:19,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:21:19,018 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:21:19,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:21:19,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:21:19,018 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:21:19,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:21:19,019 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23422b93e8eb894b39d133f7e6eb45372f0db0df72df3fa3f3890b8e90f2fd0e [2024-11-14 05:21:19,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:21:19,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:21:19,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:21:19,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:21:19,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:21:19,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/email_spec1_product32.cil.c Unable to find full path for "g++" [2024-11-14 05:21:21,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:21:21,616 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:21:21,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c [2024-11-14 05:21:21,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/data/73dab1dff/442d52c76f44421ebd49dd690c14d4d8/FLAG2ad6fc9f7 [2024-11-14 05:21:21,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/data/73dab1dff/442d52c76f44421ebd49dd690c14d4d8 [2024-11-14 05:21:21,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:21:21,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:21:21,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:21:21,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:21:21,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:21:21,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:21:21" (1/1) ... [2024-11-14 05:21:21,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36705de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:21, skipping insertion in model container [2024-11-14 05:21:21,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:21:21" (1/1) ... [2024-11-14 05:21:21,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:21:22,541 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_a1ecc033-00fe-4529-9224-1e0bc530b139/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c[65472,65485] [2024-11-14 05:21:22,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:21:22,582 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:21:22,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-11-14 05:21:22,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [97] [2024-11-14 05:21:22,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [326] [2024-11-14 05:21:22,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [757] [2024-11-14 05:21:22,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [1156] [2024-11-14 05:21:22,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1185] [2024-11-14 05:21:22,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1202] [2024-11-14 05:21:22,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1568] [2024-11-14 05:21:22,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2640] [2024-11-14 05:21:22,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2776] [2024-11-14 05:21:22,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3064] [2024-11-14 05:21:22,731 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_a1ecc033-00fe-4529-9224-1e0bc530b139/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c[65472,65485] [2024-11-14 05:21:22,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:21:22,778 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:21:22,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22 WrapperNode [2024-11-14 05:21:22,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:21:22,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:21:22,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:21:22,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:21:22,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (1/1) ... [2024-11-14 05:21:22,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (1/1) ... [2024-11-14 05:21:22,899 INFO L138 Inliner]: procedures = 134, calls = 219, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 984 [2024-11-14 05:21:22,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:21:22,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:21:22,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:21:22,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:21:22,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (1/1) ... [2024-11-14 05:21:22,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (1/1) ... [2024-11-14 05:21:22,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (1/1) ... [2024-11-14 05:21:22,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (1/1) ... [2024-11-14 05:21:22,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (1/1) ... [2024-11-14 05:21:22,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (1/1) ... [2024-11-14 05:21:22,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (1/1) ... [2024-11-14 05:21:22,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (1/1) ... [2024-11-14 05:21:22,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:21:22,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:21:22,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:21:22,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:21:22,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (1/1) ... [2024-11-14 05:21:23,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:21:23,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:21:23,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:21:23,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:21:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-14 05:21:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-14 05:21:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-14 05:21:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-14 05:21:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-14 05:21:23,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-14 05:21:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-14 05:21:23,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-14 05:21:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-14 05:21:23,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-14 05:21:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-14 05:21:23,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-14 05:21:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-14 05:21:23,093 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-14 05:21:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-14 05:21:23,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-14 05:21:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-14 05:21:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-14 05:21:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-14 05:21:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-14 05:21:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-14 05:21:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-14 05:21:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-14 05:21:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-14 05:21:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-14 05:21:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-14 05:21:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-14 05:21:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-14 05:21:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-14 05:21:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-14 05:21:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:21:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-14 05:21:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-14 05:21:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-14 05:21:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-14 05:21:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-14 05:21:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-14 05:21:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-14 05:21:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-14 05:21:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-14 05:21:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-14 05:21:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-14 05:21:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-14 05:21:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-14 05:21:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-14 05:21:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-14 05:21:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-14 05:21:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-14 05:21:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-14 05:21:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-14 05:21:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-14 05:21:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-14 05:21:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-14 05:21:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:21:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-14 05:21:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-14 05:21:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-14 05:21:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-14 05:21:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:21:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:21:23,393 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:21:23,397 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:21:24,828 INFO L? ?]: Removed 536 outVars from TransFormulas that were not future-live. [2024-11-14 05:21:24,828 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:21:25,734 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:21:25,734 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:21:25,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:21:25 BoogieIcfgContainer [2024-11-14 05:21:25,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:21:25,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:21:25,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:21:25,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:21:25,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:21:21" (1/3) ... [2024-11-14 05:21:25,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4731ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:21:25, skipping insertion in model container [2024-11-14 05:21:25,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:22" (2/3) ... [2024-11-14 05:21:25,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4731ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:21:25, skipping insertion in model container [2024-11-14 05:21:25,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:21:25" (3/3) ... [2024-11-14 05:21:25,745 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product32.cil.c [2024-11-14 05:21:25,763 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:21:25,766 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec1_product32.cil.c that has 29 procedures, 219 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:21:25,846 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:21:25,862 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;@7d0a640e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:21:25,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:21:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 219 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 129 states have internal predecessors, (162), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-14 05:21:25,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-14 05:21:25,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:21:25,883 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:21:25,883 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:21:25,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:21:25,889 INFO L85 PathProgramCache]: Analyzing trace with hash 532986178, now seen corresponding path program 1 times [2024-11-14 05:21:25,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:21:25,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294843009] [2024-11-14 05:21:25,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:21:25,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:21:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:21:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:21:26,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:21:26,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294843009] [2024-11-14 05:21:26,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294843009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:21:26,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:21:26,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:21:26,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630103789] [2024-11-14 05:21:26,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:21:26,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:21:26,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:21:26,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:21:26,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:21:26,440 INFO L87 Difference]: Start difference. First operand has 219 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 129 states have internal predecessors, (162), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:21:26,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:21:26,626 INFO L93 Difference]: Finished difference Result 346 states and 455 transitions. [2024-11-14 05:21:26,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:21:26,629 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2024-11-14 05:21:26,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:21:26,647 INFO L225 Difference]: With dead ends: 346 [2024-11-14 05:21:26,647 INFO L226 Difference]: Without dead ends: 216 [2024-11-14 05:21:26,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:21:26,658 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:21:26,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:21:26,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-14 05:21:26,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-14 05:21:26,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 122 states have (on average 1.278688524590164) internal successors, (156), 126 states have internal predecessors, (156), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-14 05:21:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 285 transitions. [2024-11-14 05:21:26,750 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 285 transitions. Word has length 71 [2024-11-14 05:21:26,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:21:26,752 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 285 transitions. [2024-11-14 05:21:26,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:21:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 285 transitions. [2024-11-14 05:21:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 05:21:26,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:21:26,757 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:21:26,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:21:26,757 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:21:26,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:21:26,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1679121000, now seen corresponding path program 1 times [2024-11-14 05:21:26,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:21:26,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158898232] [2024-11-14 05:21:26,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:21:26,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:21:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:21:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:21:27,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:21:27,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158898232] [2024-11-14 05:21:27,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158898232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:21:27,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:21:27,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:21:27,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103178217] [2024-11-14 05:21:27,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:21:27,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:21:27,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:21:27,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:21:27,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:21:27,173 INFO L87 Difference]: Start difference. First operand 216 states and 285 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:21:27,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:21:27,375 INFO L93 Difference]: Finished difference Result 342 states and 440 transitions. [2024-11-14 05:21:27,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:21:27,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2024-11-14 05:21:27,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:21:27,380 INFO L225 Difference]: With dead ends: 342 [2024-11-14 05:21:27,380 INFO L226 Difference]: Without dead ends: 218 [2024-11-14 05:21:27,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:21:27,385 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 0 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:21:27,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 489 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:21:27,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-14 05:21:27,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-14 05:21:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 128 states have internal predecessors, (158), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-14 05:21:27,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2024-11-14 05:21:27,420 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 72 [2024-11-14 05:21:27,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:21:27,420 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2024-11-14 05:21:27,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:21:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2024-11-14 05:21:27,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 05:21:27,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:21:27,427 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] [2024-11-14 05:21:27,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:21:27,427 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:21:27,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:21:27,427 INFO L85 PathProgramCache]: Analyzing trace with hash 2080748067, now seen corresponding path program 1 times [2024-11-14 05:21:27,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:21:27,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045388084] [2024-11-14 05:21:27,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:21:27,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:21:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:21:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:21:27,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:21:27,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045388084] [2024-11-14 05:21:27,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045388084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:21:27,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:21:27,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:21:27,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532247830] [2024-11-14 05:21:27,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:21:27,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:21:27,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:21:27,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:21:27,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:21:27,690 INFO L87 Difference]: Start difference. First operand 218 states and 287 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:21:27,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:21:27,862 INFO L93 Difference]: Finished difference Result 471 states and 641 transitions. [2024-11-14 05:21:27,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:21:27,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2024-11-14 05:21:27,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:21:27,866 INFO L225 Difference]: With dead ends: 471 [2024-11-14 05:21:27,866 INFO L226 Difference]: Without dead ends: 271 [2024-11-14 05:21:27,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:21:27,868 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 59 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:21:27,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 494 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:21:27,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-14 05:21:27,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 266. [2024-11-14 05:21:27,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 158 states have (on average 1.3481012658227849) internal successors, (213), 162 states have internal predecessors, (213), 79 states have call successors, (79), 28 states have call predecessors, (79), 28 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-14 05:21:27,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 370 transitions. [2024-11-14 05:21:27,905 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 370 transitions. Word has length 77 [2024-11-14 05:21:27,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:21:27,906 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 370 transitions. [2024-11-14 05:21:27,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 05:21:27,906 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2024-11-14 05:21:27,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-14 05:21:27,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:21:27,911 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:21:27,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:21:27,911 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:21:27,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:21:27,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1068562311, now seen corresponding path program 1 times [2024-11-14 05:21:27,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:21:27,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602570173] [2024-11-14 05:21:27,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:21:27,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:21:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:21:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:21:28,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:21:28,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602570173] [2024-11-14 05:21:28,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602570173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:21:28,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986467842] [2024-11-14 05:21:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:21:28,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:21:28,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:21:28,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:21:28,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:21:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:21:28,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:21:28,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:21:28,885 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:21:28,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:21:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:21:29,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986467842] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:21:29,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1798337220] [2024-11-14 05:21:29,060 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-14 05:21:29,060 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:21:29,063 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:21:29,069 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:21:29,069 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:21:56,115 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 05:21:56,263 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 231 for LOIs [2024-11-14 05:21:56,375 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:22:53,257 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification. DAG size of input: 459 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:23:05,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1798337220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:23:05,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:23:05,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-14 05:23:05,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393359002] [2024-11-14 05:23:05,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:23:05,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 05:23:05,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:23:05,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 05:23:05,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-14 05:23:05,549 INFO L87 Difference]: Start difference. First operand 266 states and 370 transitions. Second operand has 23 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-14 05:23:12,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:23:12,673 INFO L93 Difference]: Finished difference Result 547 states and 778 transitions. [2024-11-14 05:23:12,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 05:23:12,674 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 78 [2024-11-14 05:23:12,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:23:12,677 INFO L225 Difference]: With dead ends: 547 [2024-11-14 05:23:12,677 INFO L226 Difference]: Without dead ends: 299 [2024-11-14 05:23:12,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 208 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 69.2s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-14 05:23:12,679 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 26 mSDsluCounter, 2741 mSDsCounter, 0 mSdLazyCounter, 1673 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2968 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:23:12,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2968 Invalid, 1682 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1673 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-14 05:23:12,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-14 05:23:12,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 289. [2024-11-14 05:23:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 180 states have (on average 1.3666666666666667) internal successors, (246), 184 states have internal predecessors, (246), 79 states have call successors, (79), 29 states have call predecessors, (79), 29 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-14 05:23:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 403 transitions. [2024-11-14 05:23:12,756 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 403 transitions. Word has length 78 [2024-11-14 05:23:12,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:23:12,756 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 403 transitions. [2024-11-14 05:23:12,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-14 05:23:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 403 transitions. [2024-11-14 05:23:12,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 05:23:12,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:23:12,758 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:23:12,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:23:12,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:23:12,963 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:23:12,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:23:12,964 INFO L85 PathProgramCache]: Analyzing trace with hash -2133183402, now seen corresponding path program 1 times [2024-11-14 05:23:12,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:23:12,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120294608] [2024-11-14 05:23:12,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:23:12,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:23:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:23:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:23:13,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:23:13,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120294608] [2024-11-14 05:23:13,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120294608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:23:13,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:23:13,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:23:13,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404267653] [2024-11-14 05:23:13,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:23:13,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:23:13,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:23:13,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:23:13,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:23:13,128 INFO L87 Difference]: Start difference. First operand 289 states and 403 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 05:23:13,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:23:13,358 INFO L93 Difference]: Finished difference Result 681 states and 986 transitions. [2024-11-14 05:23:13,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:23:13,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 83 [2024-11-14 05:23:13,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:23:13,364 INFO L225 Difference]: With dead ends: 681 [2024-11-14 05:23:13,365 INFO L226 Difference]: Without dead ends: 416 [2024-11-14 05:23:13,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:23:13,367 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 57 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:23:13,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 502 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:23:13,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-14 05:23:13,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 411. [2024-11-14 05:23:13,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 271 states have (on average 1.4243542435424354) internal successors, (386), 275 states have internal predecessors, (386), 110 states have call successors, (110), 29 states have call predecessors, (110), 29 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-14 05:23:13,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 605 transitions. [2024-11-14 05:23:13,485 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 605 transitions. Word has length 83 [2024-11-14 05:23:13,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:23:13,486 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 605 transitions. [2024-11-14 05:23:13,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 05:23:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 605 transitions. [2024-11-14 05:23:13,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-14 05:23:13,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:23:13,489 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:23:13,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:23:13,489 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:23:13,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:23:13,489 INFO L85 PathProgramCache]: Analyzing trace with hash -131756739, now seen corresponding path program 1 times [2024-11-14 05:23:13,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:23:13,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378265008] [2024-11-14 05:23:13,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:23:13,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:23:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:23:13,650 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:23:13,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:23:13,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378265008] [2024-11-14 05:23:13,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378265008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:23:13,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497971951] [2024-11-14 05:23:13,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:23:13,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:23:13,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:23:13,653 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:23:13,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 05:23:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:23:14,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:23:14,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:23:14,062 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:23:14,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:23:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:23:14,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497971951] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:23:14,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [845509507] [2024-11-14 05:23:14,144 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2024-11-14 05:23:14,144 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:23:14,145 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:23:14,145 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:23:14,145 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:23:46,891 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 05:23:46,994 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 443 for LOIs [2024-11-14 05:23:48,172 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:24:10,345 WARN L286 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 443 DAG size of output: 443 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:24:20,839 WARN L286 SmtUtils]: Spent 10.12s on a formula simplification. DAG size of input: 467 DAG size of output: 463 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:25:00,303 WARN L286 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 460 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:25:25,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [845509507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:25:25,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:25:25,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-14 05:25:25,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097729105] [2024-11-14 05:25:25,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:25:25,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-14 05:25:25,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:25:25,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-14 05:25:25,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-14 05:25:25,010 INFO L87 Difference]: Start difference. First operand 411 states and 605 transitions. Second operand has 26 states, 17 states have (on average 2.588235294117647) internal successors, (44), 16 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-14 05:25:36,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:25:36,616 INFO L93 Difference]: Finished difference Result 832 states and 1253 transitions. [2024-11-14 05:25:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-14 05:25:36,617 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.588235294117647) internal successors, (44), 16 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 84 [2024-11-14 05:25:36,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:25:36,620 INFO L225 Difference]: With dead ends: 832 [2024-11-14 05:25:36,620 INFO L226 Difference]: Without dead ends: 484 [2024-11-14 05:25:36,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 223 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 96.8s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-14 05:25:36,622 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 43 mSDsluCounter, 3131 mSDsCounter, 0 mSdLazyCounter, 2441 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3353 SdHoareTripleChecker+Invalid, 2449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:25:36,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3353 Invalid, 2449 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2441 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2024-11-14 05:25:36,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-14 05:25:36,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 425. [2024-11-14 05:25:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 287 states have internal predecessors, (403), 111 states have call successors, (111), 30 states have call predecessors, (111), 30 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-14 05:25:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 624 transitions. [2024-11-14 05:25:36,720 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 624 transitions. Word has length 84 [2024-11-14 05:25:36,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:25:36,720 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 624 transitions. [2024-11-14 05:25:36,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.588235294117647) internal successors, (44), 16 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-14 05:25:36,721 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 624 transitions. [2024-11-14 05:25:36,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-14 05:25:36,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:25:36,723 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:25:36,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 05:25:36,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:25:36,924 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:25:36,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:25:36,925 INFO L85 PathProgramCache]: Analyzing trace with hash -298333627, now seen corresponding path program 1 times [2024-11-14 05:25:36,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:25:36,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820492709] [2024-11-14 05:25:36,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:25:36,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:25:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:25:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:25:37,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:25:37,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820492709] [2024-11-14 05:25:37,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820492709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:25:37,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655536924] [2024-11-14 05:25:37,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:25:37,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:25:37,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:25:37,146 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:25:37,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 05:25:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:25:37,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:25:37,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:25:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:25:37,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:25:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:25:37,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655536924] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:25:37,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [319831730] [2024-11-14 05:25:37,718 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2024-11-14 05:25:37,718 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:25:37,723 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:25:37,723 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:25:37,724 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:26:34,232 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 05:26:34,337 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 489 for LOIs [2024-11-14 05:26:35,393 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 498 for LOIs [2024-11-14 05:26:36,372 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 434 for LOIs [2024-11-14 05:26:36,728 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 231 for LOIs [2024-11-14 05:26:36,838 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:27:34,672 WARN L286 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 518 DAG size of output: 513 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:27:46,863 WARN L286 SmtUtils]: Spent 11.43s on a formula simplification. DAG size of input: 519 DAG size of output: 513 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:28:37,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [319831730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:28:37,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:28:37,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-14 05:28:37,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053491353] [2024-11-14 05:28:37,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:28:37,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 05:28:37,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:28:37,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 05:28:37,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 05:28:37,621 INFO L87 Difference]: Start difference. First operand 425 states and 624 transitions. Second operand has 33 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-14 05:28:58,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:28:58,274 INFO L93 Difference]: Finished difference Result 857 states and 1288 transitions. [2024-11-14 05:28:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 05:28:58,275 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) Word has length 87 [2024-11-14 05:28:58,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:28:58,279 INFO L225 Difference]: With dead ends: 857 [2024-11-14 05:28:58,279 INFO L226 Difference]: Without dead ends: 509 [2024-11-14 05:28:58,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 120.8s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 05:28:58,281 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 104 mSDsluCounter, 4092 mSDsCounter, 0 mSdLazyCounter, 3784 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 4315 SdHoareTripleChecker+Invalid, 3793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:28:58,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 4315 Invalid, 3793 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3784 Invalid, 0 Unknown, 0 Unchecked, 20.3s Time] [2024-11-14 05:28:58,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-14 05:28:58,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 461. [2024-11-14 05:28:58,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 313 states have (on average 1.4217252396166133) internal successors, (445), 317 states have internal predecessors, (445), 114 states have call successors, (114), 33 states have call predecessors, (114), 33 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-14 05:28:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 672 transitions. [2024-11-14 05:28:58,425 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 672 transitions. Word has length 87 [2024-11-14 05:28:58,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:28:58,426 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 672 transitions. [2024-11-14 05:28:58,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-14 05:28:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 672 transitions. [2024-11-14 05:28:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-14 05:28:58,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:28:58,429 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:28:58,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 05:28:58,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:28:58,630 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:28:58,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:28:58,630 INFO L85 PathProgramCache]: Analyzing trace with hash -66539964, now seen corresponding path program 1 times [2024-11-14 05:28:58,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:28:58,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779475292] [2024-11-14 05:28:58,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:28:58,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:28:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:28:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:28:58,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:28:58,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779475292] [2024-11-14 05:28:58,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779475292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:28:58,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877813192] [2024-11-14 05:28:58,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:28:58,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:28:58,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:28:58,771 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:28:58,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 05:28:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:28:59,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:28:59,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:28:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:28:59,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:28:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:28:59,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877813192] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:28:59,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [688081684] [2024-11-14 05:28:59,293 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2024-11-14 05:28:59,294 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:28:59,294 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:28:59,294 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:28:59,294 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:29:42,294 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 05:29:42,406 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 231 for LOIs [2024-11-14 05:29:42,518 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:30:43,158 WARN L286 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 458 DAG size of output: 458 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:30:55,833 WARN L286 SmtUtils]: Spent 11.31s on a formula simplification. DAG size of input: 459 DAG size of output: 458 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:31:09,544 WARN L286 SmtUtils]: Spent 12.19s on a formula simplification. DAG size of input: 463 DAG size of output: 462 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:31:23,072 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification. DAG size of input: 463 DAG size of output: 462 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:31:36,969 WARN L286 SmtUtils]: Spent 10.64s on a formula simplification. DAG size of input: 463 DAG size of output: 462 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:31:51,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [688081684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:31:51,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:31:51,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2024-11-14 05:31:51,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834541848] [2024-11-14 05:31:51,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:31:51,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-14 05:31:51,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:31:51,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-14 05:31:51,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2024-11-14 05:31:51,147 INFO L87 Difference]: Start difference. First operand 461 states and 672 transitions. Second operand has 28 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-14 05:32:11,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:32:11,132 INFO L93 Difference]: Finished difference Result 858 states and 1277 transitions. [2024-11-14 05:32:11,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-14 05:32:11,133 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 86 [2024-11-14 05:32:11,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:32:11,136 INFO L225 Difference]: With dead ends: 858 [2024-11-14 05:32:11,137 INFO L226 Difference]: Without dead ends: 510 [2024-11-14 05:32:11,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 225 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 137.5s TimeCoverageRelationStatistics Valid=124, Invalid=1066, Unknown=0, NotChecked=0, Total=1190 [2024-11-14 05:32:11,141 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 39 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 2346 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 3568 SdHoareTripleChecker+Invalid, 2355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:32:11,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 3568 Invalid, 2355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2346 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2024-11-14 05:32:11,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-14 05:32:11,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 481. [2024-11-14 05:32:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 333 states have (on average 1.4264264264264264) internal successors, (475), 337 states have internal predecessors, (475), 114 states have call successors, (114), 33 states have call predecessors, (114), 33 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-14 05:32:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 702 transitions. [2024-11-14 05:32:11,399 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 702 transitions. Word has length 86 [2024-11-14 05:32:11,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:32:11,399 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 702 transitions. [2024-11-14 05:32:11,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-14 05:32:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 702 transitions. [2024-11-14 05:32:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-14 05:32:11,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:32:11,403 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:32:11,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 05:32:11,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:32:11,604 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:32:11,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:32:11,605 INFO L85 PathProgramCache]: Analyzing trace with hash -951222825, now seen corresponding path program 1 times [2024-11-14 05:32:11,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:32:11,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696563413] [2024-11-14 05:32:11,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:32:11,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:32:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:32:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:32:11,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:32:11,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696563413] [2024-11-14 05:32:11,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696563413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:32:11,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730468870] [2024-11-14 05:32:11,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:32:11,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:32:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:32:11,810 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:32:11,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ecc033-00fe-4529-9224-1e0bc530b139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 05:32:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:32:12,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:32:12,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:32:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:32:12,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:32:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:32:12,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730468870] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:32:12,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1464662808] [2024-11-14 05:32:12,375 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2024-11-14 05:32:12,375 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:32:12,376 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:32:12,376 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:32:12,376 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:32:46,027 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-14 05:32:46,165 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 262 for LOIs [2024-11-14 05:32:49,330 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 227 for LOIs [2024-11-14 05:32:49,425 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2024-11-14 05:32:50,892 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 260 for LOIs [2024-11-14 05:32:54,229 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 219 for LOIs [2024-11-14 05:32:54,325 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 270 for LOIs [2024-11-14 05:32:59,701 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 239 for LOIs [2024-11-14 05:32:59,818 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 237 for LOIs [2024-11-14 05:32:59,941 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 244 for LOIs [2024-11-14 05:33:00,054 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 232 for LOIs [2024-11-14 05:33:00,166 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:33:26,003 WARN L286 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 445 DAG size of output: 446 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:33:37,333 WARN L286 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 469 DAG size of output: 464 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:35:33,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1464662808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:35:33,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:35:33,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [5, 5, 5] total 66 [2024-11-14 05:35:33,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524252894] [2024-11-14 05:35:33,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:35:33,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-14 05:35:33,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:35:33,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-14 05:35:33,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=4089, Unknown=0, NotChecked=0, Total=4290 [2024-11-14 05:35:33,999 INFO L87 Difference]: Start difference. First operand 481 states and 702 transitions. Second operand has 61 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (18), 12 states have call predecessors, (18), 9 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)